35 changed files with 324 additions and 600 deletions
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@ -1,33 +0,0 @@
---
-name: Bug report
-about: Create a report to help us improve
---
-<!--
-## Is it really a bug?
-Before opening an issue, check the following:
-1. You are using the **SITE** key
-2. The correct domain, with protocol, is setup.
-3. You are using an **Invisible** reCAPTCHA v2 key.
-4. If the widget doesn't appear, that is expected since the library will try to resolve the challenge _invisibly_.
-
-https://www.google.com/recaptcha/admin#site
-->
-
-## Bug description
-A clear and concise description of what the bug is.
-
-## To Reproduce
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '...'
-3. ...
-4. Profit (jk See error)
-
-## Expected behavior
-A clear and concise description of what you expected to happen.
-
-## Logs
-Please add as many logs as you feel necessary. Be mindful of your application and remove any sensitive data.
-
-## Additional context
-Add any other context about the problem here.
--- a/.gitignore
+++ b/.gitignore
@ -51,6 +51,3 @@ fastlane/Preview.html
 fastlane/screenshots
 fastlane/README.md
 fastlane/test_output
-
-## VS Code
-.vscode
--- a/.jazzy.yaml
+++ b/.jazzy.yaml
@ -1,14 +0,0 @@
-author: Flávio Caetano (@fjcaetano)
-author_url: https://github.com/fjcaetano
-github_url: https://github.com/fjcaetano/ReCaptcha
-
-readme: README.md
-
-module: ReCaptcha
-xcodebuild_arguments: 
-  - -workspace
-  - Example/ReCaptcha.xcworkspace
-  - -scheme
-  - ReCaptcha-Example
-  - -configuration
-  - Release
--- a/.swift-version
+++ b/.swift-version
@ -0,0 +1 @@
+4.0
--- a/.travis.yml
+++ b/.travis.yml
@ -1,4 +1,4 @@
-osx_image: xcode10
+osx_image: xcode9
 language: objective-c

 cache:
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -1,28 +1,3 @@
-# 1.4.2
-
- Fix: Webview's resource loading detection (#56 #60)
-
-# 1.4.1
-
- Fix RxSwift dependency version (#58)
-
-# 1.4
-
- Feature: Support Swift 4.2
- Feature: enable validation to be skipped for testing
-
-# 1.3.1
-
- Fix: Removing leftover print
- Fix: Removing Result dependency from Carthage
-
-# 1.3
-
- Feature: Locale support (#39)
-
- Fix: Reset not flagging ReCaptha as ready-to-execute (#36)
- Fix: Multiple configure calls after app being idle (#40)
-
 # 1.2

 - Feature: Resettable ReCaptchas. (#23)
--- a/3
+++ b/3
@ -1 +1,2 @@
-binary "https://raw.github.com/TouchInstinct/CarthageBinaries/master/RxSwift/RxSwift.json"
+github "antitypical/Result" ~> 3.0
+github "ReactiveX/RxSwift" ~> 4.0
--- a/Cartfile.resolved
+++ b/Cartfile.resolved
@ -1 +1,2 @@
-binary "https://raw.github.com/TouchInstinct/CarthageBinaries/master/RxSwift/RxSwift.json" "4.5.0"
+github "ReactiveX/RxSwift" "4.1.2"
+github "antitypical/Result" "3.2.4"
--- a/Example/Podfile
+++ b/Example/Podfile
@ -5,13 +5,13 @@ inhibit_all_warnings!

 target 'ReCaptcha_Example' do
  pod 'ReCaptcha/RxSwift', :path => '../'
-  pod 'RxCocoa', '~> 4.3'
-  pod 'SwiftLint', '~> 0.27'
+  pod 'RxCocoa', '~> 4.0'
+  pod 'SwiftLint', '~> 0.24'

  target 'ReCaptcha_Tests' do
    inherit! :search_paths

-    pod 'AppSwizzle', '~> 1.3'
+    pod 'AppSwizzle', :git => 'https://github.com/fjcaetano/AppSwizzle.git', :branch => 'swift4'
    pod 'RxBlocking', '~> 4.0'
  end

--- a/Example/Podfile.lock
+++ b/Example/Podfile.lock
@ -1,48 +1,43 @@
 PODS:
-  - AppSwizzle (1.3.1)
-  - ReCaptcha/Core (1.4.1)
-  - ReCaptcha/RxSwift (1.4.1):
+  - AppSwizzle (1.2)
+  - ReCaptcha/Core (1.1)
+  - ReCaptcha/RxSwift (1.1):
    - ReCaptcha/Core
-    - RxSwift (~> 4.3)
-  - RxAtomic (4.4.0)
-  - RxBlocking (4.4.0):
-    - RxAtomic (~> 4.4)
    - RxSwift (~> 4.0)
-  - RxCocoa (4.4.0):
+  - RxBlocking (4.1.1):
    - RxSwift (~> 4.0)
-  - RxSwift (4.4.0):
-    - RxAtomic (~> 4.4)
-  - SwiftLint (0.27.0)
+  - RxCocoa (4.1.1):
+    - RxSwift (~> 4.0)
+  - RxSwift (4.1.1)
+  - SwiftLint (0.24.1)

 DEPENDENCIES:
-  - AppSwizzle (~> 1.3)
+  - AppSwizzle (from `https://github.com/fjcaetano/AppSwizzle.git`, branch `swift4`)
  - ReCaptcha/RxSwift (from `../`)
  - RxBlocking (~> 4.0)
-  - RxCocoa (~> 4.3)
-  - SwiftLint (~> 0.27)
-
-SPEC REPOS:
-  https://github.com/cocoapods/specs.git:
-    - AppSwizzle
-    - RxAtomic
-    - RxBlocking
-    - RxCocoa
-    - RxSwift
-    - SwiftLint
+  - RxCocoa (~> 4.0)
+  - SwiftLint (~> 0.24)

 EXTERNAL SOURCES:
+  AppSwizzle:
+    :branch: swift4
+    :git: https://github.com/fjcaetano/AppSwizzle.git
  ReCaptcha:
-    :path: "../"
+    :path: ../
+
+CHECKOUT OPTIONS:
+  AppSwizzle:
+    :commit: c432a73e43779d20ef8e8a589aabd9622b7b6a5d
+    :git: https://github.com/fjcaetano/AppSwizzle.git

 SPEC CHECKSUMS:
-  AppSwizzle: db36e436f56110d93e5ae0147683435df593cabc
-  ReCaptcha: 520a707a38dfbb1e5de812aa3c041df60bd31827
-  RxAtomic: eacf60db868c96bfd63320e28619fe29c179656f
-  RxBlocking: 138ad53217434444d6eeeb4fb406a45431d92e31
-  RxCocoa: df63ebf7b9a70d6b4eeea407ed5dd4efc8979749
-  RxSwift: 5976ecd04fc2fefd648827c23de5e11157faa973
-  SwiftLint: 3207c1faa2240bf8973b191820a116113cd11073
+  AppSwizzle: bbd3782652fc426ce59c045a92ec61d36f261984
+  ReCaptcha: b94a673f3827e9b9cf7e77db0395694549241247
+  RxBlocking: 22e7d7b86a1c0c42164a30d64f56f97128b4ffab
+  RxCocoa: fd0862fd2df95fa55562ad28ffd2522c25eb4a85
+  RxSwift: c6e3b1c7b325c7d121cd4327e9d98b7ed746b570
+  SwiftLint: 2e4b89feed5909c42c3735bbd6745f4345c4b772

-PODFILE CHECKSUM: 63f50401dee6a885ae0eea927fb966553c6d0f33
+PODFILE CHECKSUM: 3ae211ad7c1b9c86749b013587aa4b63661f345e

-COCOAPODS: 1.5.3
+COCOAPODS: 1.4.0
--- a/Example/ReCaptcha.xcodeproj/project.pbxproj
+++ b/Example/ReCaptcha.xcodeproj/project.pbxproj
@ -16,7 +16,6 @@
 		BD850CB2DF4C9C94FC51226C /* Pods_ReCaptcha_Example.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 62BEEA62161F672468CCFD64 /* Pods_ReCaptcha_Example.framework */; };
 		D091B6E053FD250B4757E34C /* Pods_ReCaptcha_Tests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9417A28DC340FF0BC1627B3F /* Pods_ReCaptcha_Tests.framework */; };
 		F206BAD51F8D3FEB00A25807 /* Cartfile in Resources */ = {isa = PBXBuildFile; fileRef = F206BAD41F8D3FEB00A25807 /* Cartfile */; };
-		F211C22220F7E0B100709B26 /* ReCaptcha_Endpoint__Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F211C22120F7E0B100709B26 /* ReCaptcha_Endpoint__Tests.swift */; };
 		F231B3971FEC325A00F82943 /* DispatchQueue__Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F231B3961FEC325A00F82943 /* DispatchQueue__Tests.swift */; };
 		F231B39F1FED4A8C00F82943 /* ReCaptchaDecoder+Helper.swift in Sources */ = {isa = PBXBuildFile; fileRef = F231B39E1FED4A8C00F82943 /* ReCaptchaDecoder+Helper.swift */; };
 		F288E9451F9537760018688D /* ReCaptchaError+Equatable.swift in Sources */ = {isa = PBXBuildFile; fileRef = F288E9441F9537760018688D /* ReCaptchaError+Equatable.swift */; };
@ -69,7 +68,6 @@
 		C2A0BDD35B5E219129E9BC65 /* Pods-ReCaptcha_Example.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-ReCaptcha_Example.release.xcconfig"; path = "Pods/Target Support Files/Pods-ReCaptcha_Example/Pods-ReCaptcha_Example.release.xcconfig"; sourceTree = "<group>"; };
 		C8537003ECC47117AF54DCA9 /* LICENSE */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text; name = LICENSE; path = ../LICENSE; sourceTree = "<group>"; };
 		F206BAD41F8D3FEB00A25807 /* Cartfile */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = Cartfile; path = ../Cartfile; sourceTree = "<group>"; };
-		F211C22120F7E0B100709B26 /* ReCaptcha_Endpoint__Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReCaptcha_Endpoint__Tests.swift; sourceTree = "<group>"; };
 		F21901D91F98D62F00D8E2C9 /* CHANGELOG.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; name = CHANGELOG.md; path = ../CHANGELOG.md; sourceTree = "<group>"; };
 		F231B3961FEC325A00F82943 /* DispatchQueue__Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DispatchQueue__Tests.swift; sourceTree = "<group>"; };
 		F231B39E1FED4A8C00F82943 /* ReCaptchaDecoder+Helper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ReCaptchaDecoder+Helper.swift"; sourceTree = "<group>"; };
@ -216,7 +214,6 @@
 				F2E2685D1F7AEE3400CD876D /* ReCaptcha__Tests.swift */,
 				F231B3961FEC325A00F82943 /* DispatchQueue__Tests.swift */,
 				F2AE8611204F3430002E28D7 /* ReCaptchaResult__Tests.swift */,
-				F211C22120F7E0B100709B26 /* ReCaptcha_Endpoint__Tests.swift */,
 			);
 			path = Core;
 			sourceTree = "<group>";
@ -262,6 +259,7 @@
 				607FACCD1AFB9204008FA782 /* Frameworks */,
 				607FACCE1AFB9204008FA782 /* Resources */,
 				8F03FFB3F5C55E873C23C682 /* [CP] Embed Pods Frameworks */,
+				ED1C0E07490C9C4B4A401061 /* [CP] Copy Pods Resources */,
 				F231B3981FEC3B7F00F82943 /* SwiftLint */,
 			);
 			buildRules = (
@ -281,6 +279,8 @@
 				F28FAC98200E425600E14987 /* Sources */,
 				F28FAC99200E425600E14987 /* Frameworks */,
 				F28FAC9A200E425600E14987 /* Resources */,
+				BF2909E4520B29BFFBC94AD6 /* [CP] Embed Pods Frameworks */,
+				DCB1D99E77E589CD76CD3186 /* [CP] Copy Pods Resources */,
 				F28FACA6200E447600E14987 /* ShellScript */,
 			);
 			buildRules = (
@ -302,6 +302,7 @@
 				F2ECCF731E9FC47B0097B199 /* Frameworks */,
 				F2ECCF741E9FC47B0097B199 /* Resources */,
 				77003100630E7783A936C451 /* [CP] Embed Pods Frameworks */,
+				44209D7CDDDE3A11075B8104 /* [CP] Copy Pods Resources */,
 			);
 			buildRules = (
 			);
@ -390,6 +391,21 @@
 /* End PBXResourcesBuildPhase section */

 /* Begin PBXShellScriptBuildPhase section */
+		44209D7CDDDE3A11075B8104 /* [CP] Copy Pods Resources */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
+			name = "[CP] Copy Pods Resources";
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_Tests/Pods-ReCaptcha_Tests-resources.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
 		51299F67A8756E2B3EAE411A /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
@ -415,14 +431,12 @@
 			);
 			inputPaths = (
 				"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_Tests/Pods-ReCaptcha_Tests-frameworks.sh",
-				"${BUILT_PRODUCTS_DIR}/RxAtomic/RxAtomic.framework",
 				"${BUILT_PRODUCTS_DIR}/RxSwift/RxSwift.framework",
 				"${BUILT_PRODUCTS_DIR}/AppSwizzle/AppSwizzle.framework",
 				"${BUILT_PRODUCTS_DIR}/RxBlocking/RxBlocking.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxAtomic.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxSwift.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/AppSwizzle.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxBlocking.framework",
@ -440,14 +454,12 @@
 			inputPaths = (
 				"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_Example/Pods-ReCaptcha_Example-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/ReCaptcha/ReCaptcha.framework",
-				"${BUILT_PRODUCTS_DIR}/RxAtomic/RxAtomic.framework",
 				"${BUILT_PRODUCTS_DIR}/RxCocoa/RxCocoa.framework",
 				"${BUILT_PRODUCTS_DIR}/RxSwift/RxSwift.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/ReCaptcha.framework",
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxAtomic.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxCocoa.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxSwift.framework",
 			);
@ -474,6 +486,36 @@
 			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
+		BF2909E4520B29BFFBC94AD6 /* [CP] Embed Pods Frameworks */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
+			name = "[CP] Embed Pods Frameworks";
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_UITests/Pods-ReCaptcha_UITests-frameworks.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
+		DCB1D99E77E589CD76CD3186 /* [CP] Copy Pods Resources */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
+			name = "[CP] Copy Pods Resources";
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_UITests/Pods-ReCaptcha_UITests-resources.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
 		DDB47454887253730AB35230 /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
@ -492,6 +534,21 @@
 			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
+		ED1C0E07490C9C4B4A401061 /* [CP] Copy Pods Resources */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
+			name = "[CP] Copy Pods Resources";
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_Example/Pods-ReCaptcha_Example-resources.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
 		F231B3981FEC3B7F00F82943 /* SwiftLint */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
@ -504,7 +561,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "\"${PODS_ROOT}/SwiftLint/swiftlint\" --path \"${PROJECT_DIR}/..\"\n";
+			shellScript = "\"${PODS_ROOT}/SwiftLint/swiftlint\" --path \"${PROJECT_DIR}/..\"";
 		};
 		F28FACA6200E447600E14987 /* ShellScript */ = {
 			isa = PBXShellScriptBuildPhase;
@ -549,7 +606,6 @@
 				F2ECCF981EA011370097B199 /* Result+Helpers.swift in Sources */,
 				F231B3971FEC325A00F82943 /* DispatchQueue__Tests.swift in Sources */,
 				F231B39F1FED4A8C00F82943 /* ReCaptchaDecoder+Helper.swift in Sources */,
-				F211C22220F7E0B100709B26 /* ReCaptcha_Endpoint__Tests.swift in Sources */,
 				F2E2685E1F7AEE3400CD876D /* ReCaptcha__Tests.swift in Sources */,
 				F2ECCF931EA009360097B199 /* ReCaptcha+Rx__Tests.swift in Sources */,
 				F288E9451F9537760018688D /* ReCaptchaError+Equatable.swift in Sources */,
@ -703,7 +759,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-Example";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@ -719,7 +775,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-Example";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
@ -742,7 +798,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "ReCaptcha.ReCaptcha-UITests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_TARGET_NAME = ReCaptcha_Example;
 			};
@ -765,7 +821,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "ReCaptcha.ReCaptcha-UITests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 4.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_TARGET_NAME = ReCaptcha_Example;
 			};
@ -788,7 +844,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG UNIT_TESTS";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 4.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ReCaptcha_Example.app/ReCaptcha_Example";
 			};
 			name = Debug;
@ -808,7 +864,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 4.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ReCaptcha_Example.app/ReCaptcha_Example";
 			};
 			name = Release;
--- a/Example/ReCaptcha.xcodeproj/xcshareddata/xcschemes/ReCaptcha-Example.xcscheme
+++ b/Example/ReCaptcha.xcodeproj/xcshareddata/xcschemes/ReCaptcha-Example.xcscheme
@ -40,8 +40,9 @@
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      language = ""
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
      <Testables>
         <TestableReference
            skipped = "NO">
@ -77,9 +78,10 @@
      </AdditionalOptions>
   </TestAction>
   <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Release"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
--- a/Example/ReCaptcha.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ b/Example/ReCaptcha.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>IDEDidComputeMac32BitWarning</key>
-	<true/>
-</dict>
-</plist>
--- a/Example/ReCaptcha/AppDelegate.swift
+++ b/Example/ReCaptcha/AppDelegate.swift
@ -16,7 +16,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {

    func application(
        _ application: UIApplication,
-        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+        didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
        ) -> Bool {
        // Override point for customization after application launch.
        return true
--- a/Example/ReCaptcha/Base.lproj/Main.storyboard
+++ b/Example/ReCaptcha/Base.lproj/Main.storyboard
@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14109" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="vXZ-lx-hvc">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13771" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="vXZ-lx-hvc">
    <device id="retina4_7" orientation="portrait">
        <adaptation id="fullscreen"/>
    </device>
    <dependencies>
        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14088"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13772"/>
        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <scenes>
@ -22,7 +22,7 @@
                        <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                        <subviews>
                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="RDW-bD-rSo">
-                                <rect key="frame" x="50" y="450" width="275" height="50"/>
+                                <rect key="frame" x="50" y="498" width="275" height="50"/>
                                <constraints>
                                    <constraint firstAttribute="height" constant="50" id="Bt8-Ou-ht2"/>
                                </constraints>
@ -35,20 +35,20 @@
                                <rect key="frame" x="177" y="323" width="20" height="20"/>
                            </activityIndicatorView>
                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="249" text="" textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="o6f-cL-1PF">
-                                <rect key="frame" x="20" y="247" width="335" height="173"/>
+                                <rect key="frame" x="20" y="199" width="335" height="269"/>
                                <accessibility key="accessibilityConfiguration" identifier="resultLabel"/>
                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
                                <nil key="textColor"/>
                                <nil key="highlightedColor"/>
                            </label>
                            <segmentedControl clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="plain" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="X8E-G9-9IV">
-                                <rect key="frame" x="71" y="568" width="233" height="29"/>
+                                <rect key="frame" x="117" y="568" width="141" height="29"/>
                                <segments>
-                                    <segment title="Default Endpoint"/>
+                                    <segment title="Default"/>
                                    <segment title="Alternate"/>
                                </segments>
                                <connections>
-                                    <action selector="didPressEndpointSegmentedControl:" destination="vXZ-lx-hvc" eventType="valueChanged" id="Sdm-dO-doL"/>
+                                    <action selector="didPressSegmentedControl:" destination="vXZ-lx-hvc" eventType="valueChanged" id="e5Z-W5-Q1d"/>
                                </connections>
                            </segmentedControl>
                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="Uyt-0M-CR7">
@ -76,40 +76,27 @@
                                    <constraint firstItem="mGh-Ox-cFf" firstAttribute="leading" secondItem="awK-8H-OCQ" secondAttribute="trailing" constant="10" id="wzo-g0-VEj"/>
                                </constraints>
                            </view>
-                            <segmentedControl clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="plain" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="kq2-ci-l1u">
-                                <rect key="frame" x="114" y="520" width="147" height="29"/>
-                                <segments>
-                                    <segment title="Nil Locale"/>
-                                    <segment title="Chinese"/>
-                                </segments>
-                                <connections>
-                                    <action selector="didPressLocaleSegmentedControl:" destination="vXZ-lx-hvc" eventType="valueChanged" id="nSA-f3-8eS"/>
-                                </connections>
-                            </segmentedControl>
                        </subviews>
                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                        <constraints>
                            <constraint firstItem="o6f-cL-1PF" firstAttribute="leading" secondItem="kh9-bI-dsS" secondAttribute="leading" constant="20" id="0dV-t0-W0Y"/>
-                            <constraint firstAttribute="trailing" secondItem="RDW-bD-rSo" secondAttribute="trailing" constant="50" id="1Lj-Ox-Kl4"/>
-                            <constraint firstItem="X8E-G9-9IV" firstAttribute="top" secondItem="kq2-ci-l1u" secondAttribute="bottom" constant="20" id="8ye-XO-bpK"/>
                            <constraint firstItem="X8E-G9-9IV" firstAttribute="centerX" secondItem="kh9-bI-dsS" secondAttribute="centerX" id="92w-cw-lR2"/>
                            <constraint firstItem="2fi-mo-0CV" firstAttribute="top" secondItem="Uyt-0M-CR7" secondAttribute="bottom" constant="20" id="Bfs-p5-IBM"/>
                            <constraint firstItem="o6f-cL-1PF" firstAttribute="centerY" secondItem="kh9-bI-dsS" secondAttribute="centerY" priority="750" id="NMD-ir-PXe"/>
+                            <constraint firstItem="X8E-G9-9IV" firstAttribute="top" secondItem="RDW-bD-rSo" secondAttribute="bottom" constant="20" id="Qbw-Jp-xGV"/>
                            <constraint firstItem="RDW-bD-rSo" firstAttribute="top" secondItem="o6f-cL-1PF" secondAttribute="bottom" constant="30" id="TZe-z9-MZS"/>
                            <constraint firstItem="jHc-GP-v1Z" firstAttribute="centerY" secondItem="kh9-bI-dsS" secondAttribute="centerY" id="VOe-WJ-FKo"/>
                            <constraint firstItem="jHc-GP-v1Z" firstAttribute="centerX" secondItem="kh9-bI-dsS" secondAttribute="centerX" id="XkT-zr-eUO"/>
-                            <constraint firstItem="kq2-ci-l1u" firstAttribute="top" secondItem="RDW-bD-rSo" secondAttribute="bottom" constant="20" id="Y4H-6k-gDx"/>
                            <constraint firstAttribute="trailing" secondItem="o6f-cL-1PF" secondAttribute="trailing" constant="20" id="c74-nm-rgi"/>
+                            <constraint firstAttribute="trailing" secondItem="RDW-bD-rSo" secondAttribute="trailing" constant="50" id="c7q-Rw-n0F"/>
                            <constraint firstItem="RDW-bD-rSo" firstAttribute="leading" secondItem="kh9-bI-dsS" secondAttribute="leading" constant="50" id="iXO-hP-XZ7"/>
-                            <constraint firstItem="kq2-ci-l1u" firstAttribute="centerX" secondItem="kh9-bI-dsS" secondAttribute="centerX" id="ice-pp-mVe"/>
                            <constraint firstItem="Uyt-0M-CR7" firstAttribute="top" secondItem="X8E-G9-9IV" secondAttribute="bottom" constant="20" id="nIE-QT-RpQ"/>
                            <constraint firstItem="Uyt-0M-CR7" firstAttribute="centerX" secondItem="kh9-bI-dsS" secondAttribute="centerX" id="qfG-68-ySO"/>
                        </constraints>
                    </view>
                    <connections>
-                        <outlet property="endpointSegmentedControl" destination="X8E-G9-9IV" id="jAb-fU-Yu5"/>
                        <outlet property="label" destination="o6f-cL-1PF" id="KQV-3X-RKr"/>
-                        <outlet property="localeSegmentedControl" destination="kq2-ci-l1u" id="gL7-du-K6l"/>
+                        <outlet property="segmentedControl" destination="X8E-G9-9IV" id="sS0-3k-Alu"/>
                        <outlet property="spinner" destination="jHc-GP-v1Z" id="gRn-JW-FIK"/>
                        <outlet property="visibleChallengeSwitch" destination="mGh-Ox-cFf" id="R13-nD-EXL"/>
                    </connections>
--- a/Example/ReCaptcha/Images.xcassets/AppIcon.appiconset/Contents.json
+++ b/Example/ReCaptcha/Images.xcassets/AppIcon.appiconset/Contents.json
@ -39,11 +39,6 @@
      "idiom" : "iphone",
      "size" : "60x60",
      "scale" : "3x"
-    },
-    {
-      "idiom" : "ios-marketing",
-      "size" : "1024x1024",
-      "scale" : "1x"
    }
  ],
  "info" : {
--- a/Example/ReCaptcha/ViewController.swift
+++ b/Example/ReCaptcha/ViewController.swift
@ -21,40 +21,23 @@ class ViewController: UIViewController {
    private var recaptcha: ReCaptcha!
    private var disposeBag = DisposeBag()

-    private var locale: Locale?
-    private var endpoint = ReCaptcha.Endpoint.default
-
    @IBOutlet private weak var label: UILabel!
    @IBOutlet private weak var spinner: UIActivityIndicatorView!
-    @IBOutlet private weak var localeSegmentedControl: UISegmentedControl!
-    @IBOutlet private weak var endpointSegmentedControl: UISegmentedControl!
+    @IBOutlet private weak var segmentedControl: UISegmentedControl!
    @IBOutlet private weak var visibleChallengeSwitch: UISwitch!

    override func viewDidLoad() {
        super.viewDidLoad()
-        setupReCaptcha()
+        setupReCaptcha(endpoint: .default)
    }

-    @IBAction func didPressEndpointSegmentedControl(_ sender: UISegmentedControl) {
+    @IBAction func didPressSegmentedControl(_ sender: UISegmentedControl) {
        label.text = ""
        switch sender.selectedSegmentIndex {
-        case 0: endpoint = .default
-        case 1: endpoint = .alternate
+        case 0: setupReCaptcha(endpoint: .default)
+        case 1: setupReCaptcha(endpoint: .alternate)
        default: assertionFailure("invalid index")
        }
-
-        setupReCaptcha()
-    }
-
-    @IBAction func didPressLocaleSegmentedControl(_ sender: UISegmentedControl) {
-        label.text = ""
-        switch sender.selectedSegmentIndex {
-        case 0: locale = nil
-        case 1: locale = Locale(identifier: "zh-CN")
-        default: assertionFailure("invalid index")
-        }
-
-        setupReCaptcha()
    }

    @IBAction private func didPressButton(button: UIButton) {
@ -83,7 +66,7 @@ class ViewController: UIViewController {
            .disposed(by: disposeBag)

        isEnabled
-            .bind(to: endpointSegmentedControl.rx.isEnabled)
+            .bind(to: segmentedControl.rx.isEnabled)
            .disposed(by: disposeBag)

        validate
@ -106,9 +89,9 @@ class ViewController: UIViewController {
            .disposed(by: disposeBag)
    }

-    private func setupReCaptcha() {
+    private func setupReCaptcha(endpoint: ReCaptcha.Endpoint) {
        // swiftlint:disable:next force_try
-        recaptcha = try! ReCaptcha(endpoint: endpoint, locale: locale)
+        recaptcha = try! ReCaptcha(endpoint: endpoint)

        recaptcha.configureWebView { [weak self] webview in
            webview.frame = self?.view.bounds ?? CGRect.zero
--- a/Example/ReCaptcha_Tests/.swiftlint.yml
+++ b/Example/ReCaptcha_Tests/.swiftlint.yml
@ -4,6 +4,3 @@ disabled_rules:
  - force_unwrapping
  - explicit_top_level_acl
  - function_body_length
-  - identifier_name
-  - file_length
-  - type_body_length
--- a/Example/ReCaptcha_Tests/Core/DispatchQueue__Tests.swift
+++ b/Example/ReCaptcha_Tests/Core/DispatchQueue__Tests.swift
@ -151,47 +151,4 @@ class DispatchQueue__Tests: XCTestCase {

        waitForExpectations(timeout: 5)
    }
-
-    // MARK: Once
-
-    func test__Once__Single_Dispatch() {
-        let token = 3
-        var dispatchCount = 0
-
-        // Does dispatch the given action
-        DispatchQueue.once(token: token) {
-            dispatchCount = 1
-        }
-
-        XCTAssertEqual(dispatchCount, 1)
-
-        // Does not dispatch again for the same token
-        DispatchQueue.once(token: token) {
-            dispatchCount = 2
-        }
-
-        XCTAssertEqual(dispatchCount, 1)
-    }
-
-    func test__Once__Multiple_Dispatches() {
-        let token1 = 4
-        var didDispatch1 = false
-
-        // Does dispatch the given action
-        DispatchQueue.once(token: token1) {
-            didDispatch1 = true
-        }
-
-        XCTAssertTrue(didDispatch1)
-
-        // Dispatch for a different token
-        let token2 = 6
-        var didDispatch2 = false
-
-        DispatchQueue.once(token: token2) {
-            didDispatch2 = true
-        }
-
-        XCTAssertTrue(didDispatch2)
-    }
 }
--- a/Example/ReCaptcha_Tests/Core/ReCaptchaWebViewManager__Tests.swift
+++ b/Example/ReCaptcha_Tests/Core/ReCaptchaWebViewManager__Tests.swift
@ -210,34 +210,6 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
        XCTAssertEqual(count, 1)
    }

-    func test__Configure_Web_View__Called_Again_With_Reset() {
-        let exp0 = expectation(description: "configure webview 0")
-
-        let manager = ReCaptchaWebViewManager(messageBody: "{action: \"showReCaptcha\"}")
-        manager.validate(on: presenterView) { _ in
-            XCTFail("should not call completion")
-        }
-
-        // Configure Webview
-        manager.configureWebView { _ in
-            manager.webView.evaluateJavaScript("execute();") { XCTAssertNil($1) }
-            exp0.fulfill()
-        }
-
-        waitForExpectations(timeout: 10)
-
-        // Reset and ensure it calls again
-        let exp1 = expectation(description: "configure webview 1")
-
-        manager.configureWebView { _ in
-            manager.webView.evaluateJavaScript("execute();") { XCTAssertNil($1) }
-            exp1.fulfill()
-        }
-
-        manager.reset()
-        waitForExpectations(timeout: 10)
-    }
-
    // MARK: Stop

    func test__Stop() {
@ -287,7 +259,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {

    func test__Endpoint_Setup() {
        let exp = expectation(description: "setup endpoint")
-        let endpoint = ReCaptcha.Endpoint.alternate.getURL(locale: nil)
+        let endpoint = ReCaptcha.Endpoint.alternate.url
        var result: ReCaptchaResult?

        let manager = ReCaptchaWebViewManager(messageBody: "{token: endpoint}", endpoint: endpoint)
@ -366,22 +338,6 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
        XCTAssertEqual(result?.token, apiKey)
    }

-    func test__Validate__Should_Skip_For_Tests() {
-        let exp = expectation(description: "did skip validation")
-
-        let manager = ReCaptchaWebViewManager()
-        manager.shouldSkipForTests = true
-
-        manager.completion = { result in
-            XCTAssertEqual(result.token, "")
-            exp.fulfill()
-        }
-
-        manager.validate(on: presenterView)
-
-        waitForExpectations(timeout: 1)
-    }
-
    // MARK: Force Challenge Visible

    func test__Force_Visible_Challenge() {
--- a/Example/ReCaptcha_Tests/Core/ReCaptcha_Endpoint__Tests.swift
+++ b/Example/ReCaptcha_Tests/Core/ReCaptcha_Endpoint__Tests.swift
@ -1,27 +0,0 @@
-//
-//  ReCaptcha_Endpoint__.swift
-//  ReCaptcha
-//
-//  Created by Flávio Caetano on 12/07/18.
-//  Copyright © 2018 ReCaptcha. All rights reserved.
-//
-
-@testable import ReCaptcha
-import XCTest
-
-class ReCaptcha_Endpoint__Tests: XCTestCase {
-
-    private let endpoint = ReCaptcha.Endpoint.default
-    private let endpointURL = "https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit"
-
-    // MARK: - Locale
-
-    func test__Locale__Nil() {
-        XCTAssertEqual(endpoint.getURL(locale: nil), endpointURL)
-    }
-
-    func test__Locale__Valid() {
-        let locale = Locale(identifier: "pt-BR")
-        XCTAssertEqual(endpoint.getURL(locale: locale), "\(endpointURL)&hl=pt-BR")
-    }
-}
--- a/Example/ReCaptcha_Tests/RxSwift/ReCaptcha+Rx__Tests.swift
+++ b/Example/ReCaptcha_Tests/RxSwift/ReCaptcha+Rx__Tests.swift
@ -107,7 +107,7 @@ class ReCaptcha_Rx__Tests: XCTestCase {
        let exp = expectation(description: "stop loading")

        // Stop
-        let recaptcha = ReCaptcha(manager: ReCaptchaWebViewManager(messageBody: "{log: \"foo\"}"))
+        let recaptcha = ReCaptcha(manager: ReCaptchaWebViewManager(messageBody: "{action: \"showReCaptcha\"}"))
        recaptcha.configureWebView { _ in
            XCTFail("should not ask to configure the webview")
        }
--- a/Example/ReCaptcha_Tests/mock.html
+++ b/Example/ReCaptcha_Tests/mock.html
@ -19,6 +19,10 @@
      }
  };

+  window.onload = function() {
+      post({action: "didLoad"});
+  };
+
  var reset = function() {
      shouldFail = false;
      post({action: "didLoad"});
--- a/Example/ReCaptcha_UITests/ReCaptcha_UITests.swift
+++ b/Example/ReCaptcha_UITests/ReCaptcha_UITests.swift
@ -23,7 +23,7 @@ class ReCaptcha_UITests: XCTestCase {

    func test__Validate__Default_Endpoint() {
        let app = XCUIApplication()
-        app.segmentedControls.buttons["Default Endpoint"].tap()
+        app.segmentedControls.buttons["Default"].tap()
        app.switches["Switch"].tap()
        app.buttons["Validate"].tap()

--- a/4
+++ b/4
@ -1,4 +1,4 @@
 source 'https://rubygems.org'

-gem 'fastlane', '~> 2.105.2'
-gem 'cocoapods', '~> 1.5.3'
+gem 'fastlane', '~> 2.75'
+gem 'cocoapods', '~> 1.4'
--- a/Gemfile.lock
+++ b/Gemfile.lock
@ -1,7 +1,7 @@
 GEM
  remote: https://rubygems.org/
  specs:
-    CFPropertyList (3.0.0)
+    CFPropertyList (2.3.6)
    activesupport (4.2.10)
      i18n (~> 0.7)
      minitest (~> 5.1)
@ -9,15 +9,14 @@ GEM
      tzinfo (~> 1.1)
    addressable (2.5.2)
      public_suffix (>= 2.0.2, < 4.0)
-    atomos (0.1.3)
    babosa (1.0.2)
    claide (1.0.2)
-    cocoapods (1.5.3)
+    cocoapods (1.4.0)
      activesupport (>= 4.0.2, < 5)
      claide (>= 1.0.2, < 2.0)
-      cocoapods-core (= 1.5.3)
+      cocoapods-core (= 1.4.0)
      cocoapods-deintegrate (>= 1.0.2, < 2.0)
-      cocoapods-downloader (>= 1.2.0, < 2.0)
+      cocoapods-downloader (>= 1.1.3, < 2.0)
      cocoapods-plugins (>= 1.0.0, < 2.0)
      cocoapods-search (>= 1.0.0, < 2.0)
      cocoapods-stats (>= 1.0.0, < 2.0)
@ -27,61 +26,59 @@ GEM
      escape (~> 0.0.4)
      fourflusher (~> 2.0.1)
      gh_inspector (~> 1.0)
-      molinillo (~> 0.6.5)
+      molinillo (~> 0.6.4)
      nap (~> 1.0)
      ruby-macho (~> 1.1)
-      xcodeproj (>= 1.5.7, < 2.0)
-    cocoapods-core (1.5.3)
+      xcodeproj (>= 1.5.4, < 2.0)
+    cocoapods-core (1.4.0)
      activesupport (>= 4.0.2, < 6)
      fuzzy_match (~> 2.0.4)
      nap (~> 1.0)
    cocoapods-deintegrate (1.0.2)
-    cocoapods-downloader (1.2.1)
+    cocoapods-downloader (1.1.3)
    cocoapods-plugins (1.0.0)
      nap
    cocoapods-search (1.0.0)
    cocoapods-stats (1.0.0)
-    cocoapods-trunk (1.3.1)
+    cocoapods-trunk (1.3.0)
      nap (>= 0.8, < 2.0)
      netrc (~> 0.11)
    cocoapods-try (1.1.0)
    colored (1.2)
    colored2 (3.1.2)
-    commander-fastlane (4.4.6)
+    commander-fastlane (4.4.5)
      highline (~> 1.7.2)
    concurrent-ruby (1.0.5)
    declarative (0.0.10)
    declarative-option (0.1.0)
-    domain_name (0.5.20180417)
+    domain_name (0.5.20170404)
      unf (>= 0.0.5, < 1.0.0)
-    dotenv (2.5.0)
-    emoji_regex (0.1.1)
+    dotenv (2.2.1)
    escape (0.0.4)
-    excon (0.62.0)
-    faraday (0.15.3)
+    excon (0.60.0)
+    faraday (0.13.1)
      multipart-post (>= 1.2, < 3)
    faraday-cookie_jar (0.0.6)
      faraday (>= 0.7.4)
      http-cookie (~> 1.0.0)
    faraday_middleware (0.12.2)
      faraday (>= 0.7.4, < 1.0)
-    fastimage (2.1.4)
-    fastlane (2.105.2)
-      CFPropertyList (>= 2.3, < 4.0.0)
+    fastimage (2.1.1)
+    fastlane (2.75.1)
+      CFPropertyList (>= 2.3, < 3.0.0)
      addressable (>= 2.3, < 3.0.0)
      babosa (>= 1.0.2, < 2.0.0)
      bundler (>= 1.12.0, < 2.0.0)
      colored
-      commander-fastlane (>= 4.4.6, < 5.0.0)
+      commander-fastlane (>= 4.4.5, < 5.0.0)
      dotenv (>= 2.1.1, < 3.0.0)
-      emoji_regex (~> 0.1)
      excon (>= 0.45.0, < 1.0.0)
      faraday (~> 0.9)
      faraday-cookie_jar (~> 0.0.6)
      faraday_middleware (~> 0.9)
      fastimage (>= 2.1.0, < 3.0.0)
-      gh_inspector (>= 1.1.2, < 2.0.0)
-      google-api-client (>= 0.21.2, < 0.24.0)
+      gh_inspector (>= 1.0.1, < 2.0.0)
+      google-api-client (>= 0.13.1, < 0.14.0)
      highline (>= 1.7.2, < 2.0.0)
      json (< 3.0.0)
      mini_magick (~> 4.5.1)
@ -90,102 +87,100 @@ GEM
      multipart-post (~> 2.0.0)
      plist (>= 3.1.0, < 4.0.0)
      public_suffix (~> 2.0.0)
-      rubyzip (>= 1.2.2, < 2.0.0)
+      rubyzip (>= 1.1.0, < 2.0.0)
      security (= 0.1.3)
-      simctl (~> 1.6.3)
-      slack-notifier (>= 2.0.0, < 3.0.0)
+      slack-notifier (>= 1.3, < 2.0.0)
      terminal-notifier (>= 1.6.2, < 2.0.0)
      terminal-table (>= 1.4.5, < 2.0.0)
      tty-screen (>= 0.6.3, < 1.0.0)
-      tty-spinner (>= 0.8.0, < 1.0.0)
+      tty-spinner (>= 0.7.0, < 1.0.0)
      word_wrap (~> 1.0.0)
-      xcodeproj (>= 1.6.0, < 2.0.0)
-      xcpretty (~> 0.3.0)
+      xcodeproj (>= 1.5.2, < 2.0.0)
+      xcpretty (>= 0.2.4, < 1.0.0)
      xcpretty-travis-formatter (>= 0.0.3)
    fourflusher (2.0.1)
    fuzzy_match (2.0.4)
-    gh_inspector (1.1.3)
-    google-api-client (0.23.9)
+    gh_inspector (1.0.3)
+    google-api-client (0.13.6)
      addressable (~> 2.5, >= 2.5.1)
-      googleauth (>= 0.5, < 0.7.0)
+      googleauth (~> 0.5)
      httpclient (>= 2.8.1, < 3.0)
      mime-types (~> 3.0)
      representable (~> 3.0)
      retriable (>= 2.0, < 4.0)
-      signet (~> 0.9)
-    googleauth (0.6.6)
+    googleauth (0.6.2)
      faraday (~> 0.12)
      jwt (>= 1.4, < 3.0)
+      logging (~> 2.0)
      memoist (~> 0.12)
      multi_json (~> 1.11)
-      os (>= 0.9, < 2.0)
+      os (~> 0.9)
      signet (~> 0.7)
    highline (1.7.10)
    http-cookie (1.0.3)
      domain_name (~> 0.5)
    httpclient (2.8.3)
-    i18n (0.9.5)
+    i18n (0.9.1)
      concurrent-ruby (~> 1.0)
    json (2.1.0)
    jwt (2.1.0)
+    little-plugger (1.1.4)
+    logging (2.2.2)
+      little-plugger (~> 1.1)
+      multi_json (~> 1.10)
    memoist (0.16.0)
-    mime-types (3.2.2)
+    mime-types (3.1)
      mime-types-data (~> 3.2015)
-    mime-types-data (3.2018.0812)
+    mime-types-data (3.2016.0521)
    mini_magick (4.5.1)
-    minitest (5.11.3)
-    molinillo (0.6.6)
-    multi_json (1.13.1)
+    minitest (5.11.1)
+    molinillo (0.6.4)
+    multi_json (1.13.0)
    multi_xml (0.6.0)
    multipart-post (2.0.0)
-    nanaimo (0.2.6)
+    nanaimo (0.2.3)
    nap (1.1.0)
-    naturally (2.2.0)
    netrc (0.11.0)
-    os (1.0.0)
+    os (0.9.6)
    plist (3.4.0)
    public_suffix (2.0.5)
    representable (3.0.4)
      declarative (< 0.1.0)
      declarative-option (< 0.2.0)
      uber (< 0.2.0)
-    retriable (3.1.2)
+    retriable (3.1.1)
    rouge (2.0.7)
-    ruby-macho (1.2.0)
-    rubyzip (1.2.2)
+    ruby-macho (1.1.0)
+    rubyzip (1.2.1)
    security (0.1.3)
-    signet (0.10.0)
+    signet (0.8.1)
      addressable (~> 2.3)
      faraday (~> 0.9)
      jwt (>= 1.5, < 3.0)
      multi_json (~> 1.10)
-    simctl (1.6.5)
-      CFPropertyList
-      naturally
-    slack-notifier (2.3.2)
+    slack-notifier (1.5.1)
    terminal-notifier (1.8.0)
    terminal-table (1.8.0)
      unicode-display_width (~> 1.1, >= 1.1.1)
    thread_safe (0.3.6)
-    tty-cursor (0.6.0)
-    tty-screen (0.6.5)
-    tty-spinner (0.8.0)
+    tty-cursor (0.5.0)
+    tty-screen (0.6.4)
+    tty-spinner (0.7.0)
      tty-cursor (>= 0.5.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.4)
      thread_safe (~> 0.1)
    uber (0.1.0)
    unf (0.1.4)
      unf_ext
-    unf_ext (0.0.7.5)
-    unicode-display_width (1.4.0)
+    unf_ext (0.0.7.4)
+    unicode-display_width (1.3.0)
    word_wrap (1.0.0)
-    xcodeproj (1.6.0)
-      CFPropertyList (>= 2.3.3, < 4.0)
-      atomos (~> 0.1.3)
+    xcodeproj (1.5.4)
+      CFPropertyList (~> 2.3.3)
      claide (>= 1.0.2, < 2.0)
      colored2 (~> 3.1)
-      nanaimo (~> 0.2.6)
-    xcpretty (0.3.0)
+      nanaimo (~> 0.2.3)
+    xcpretty (0.2.8)
      rouge (~> 2.0.7)
    xcpretty-travis-formatter (1.0.0)
      xcpretty (~> 0.2, >= 0.0.7)
@ -194,8 +189,8 @@ PLATFORMS
  ruby

 DEPENDENCIES
-  cocoapods (~> 1.5.3)
-  fastlane (~> 2.105.2)
+  cocoapods (~> 1.4)
+  fastlane (~> 2.75)

 BUNDLED WITH
-   1.16.1
+   1.16.0
--- a/README.md
+++ b/README.md
@ -9,7 +9,7 @@

 -----

-Add Google's [Invisible ReCaptcha v2](https://developers.google.com/recaptcha/docs/invisible) to your project. This library
+Add Google's [Invisible ReCaptcha](https://developers.google.com/recaptcha/docs/invisible) to your project. This library
 automatically handles ReCaptcha's events and retrieves the validation token or notifies you to present the challenge if
 invisibility is not possible.

@ -17,15 +17,8 @@ invisibility is not possible.

 #### _Warning_ ⚠️

-Beware that this library only works for ReCaptcha v2 Invisible keys! Make sure to check the reCAPTCHA
-v2 Invisible badge option when creating your [API Key](https://www.google.com/recaptcha/admin/create).
-
-![ReCaptcha v2 invisible key example](https://raw.githubusercontent.com/fjcaetano/ReCaptcha/master/example-v2-key.png)
-
-You won't be able to use a ReCaptcha v3 key because it requires server-side validation. On v3, all
-challenges succeed into a token which is then validated in the server for a score. For this reason,
-a frontend app can't know on its own wether or not a user is valid since the challenge will always
-result in a valid token.
+Beware that this library only works for Invisible ReCaptcha keys! Make sure to check the Invisible reCAPTCHA option
+when creating your [API Key](https://www.google.com/recaptcha/admin).

 ## Installation

@ -49,7 +42,7 @@ extension for the ReCaptcha framework.

 ## Usage

-Simply add `ReCaptchaKey` and `ReCaptchaDomain` (with a protocol ex. http:// or https://) to your Info.plist and run:
+Simply add `ReCaptchaKey` and `ReCaptchaDomain` (with a protocol) to your Info.plist and run:

 ``` swift
 let recaptcha = try? ReCaptcha()
@ -92,13 +85,6 @@ public enum Endpoint {
 let recaptcha = try? ReCaptcha(endpoint: .alternate) // Defaults to `default` when unset
 ```

-## Help Wanted
-
-Do you love ReCaptcha and work actively on apps that use it? We'd love if you could help us keep improving it!
-Feel free to message us or to start contributing right away!
-
-## [Full Documentation](http://fjcaetano.github.io/ReCaptcha)
-
 ## License

 ReCaptcha is available under the MIT license. See the LICENSE file for more info.
--- a/ReCaptcha-Carthage.xcodeproj/project.pbxproj
+++ b/ReCaptcha-Carthage.xcodeproj/project.pbxproj
@ -8,6 +8,7 @@

 /* Begin PBXBuildFile section */
 		F206BAB51F8D3DE900A25807 /* ReCaptcha-Carthage.h in Headers */ = {isa = PBXBuildFile; fileRef = F206BAB31F8D3DE900A25807 /* ReCaptcha-Carthage.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		F206BAD31F8D3E7600A25807 /* Result.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F206BAD21F8D3E7600A25807 /* Result.framework */; };
 		F206BB1D1F8D4DBC00A25807 /* ReCaptcha_RxSwift.h in Headers */ = {isa = PBXBuildFile; fileRef = F206BB1B1F8D4DBC00A25807 /* ReCaptcha_RxSwift.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		F206BB221F8D4DDF00A25807 /* RxSwift.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F206BB121F8D4D1400A25807 /* RxSwift.framework */; };
 		F231B39A1FEC51C800F82943 /* DispatchQueue+Throttle.swift in Sources */ = {isa = PBXBuildFile; fileRef = F231B3991FEC51C800F82943 /* DispatchQueue+Throttle.swift */; };
@ -18,6 +19,7 @@
 		F24EA1E51F968403001DEC17 /* ReCaptchaError.swift in Sources */ = {isa = PBXBuildFile; fileRef = F24EA1DB1F9683F5001DEC17 /* ReCaptchaError.swift */; };
 		F24EA1E61F968403001DEC17 /* ReCaptcha.swift in Sources */ = {isa = PBXBuildFile; fileRef = F24EA1DE1F9683F5001DEC17 /* ReCaptcha.swift */; };
 		F24EA1E71F968406001DEC17 /* recaptcha.html in Resources */ = {isa = PBXBuildFile; fileRef = F24EA1E01F9683F5001DEC17 /* recaptcha.html */; };
+		F255FBEC1F8D5654002F5FA8 /* Result.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F255FBEB1F8D5654002F5FA8 /* Result.framework */; };
 		F2AE8614204F3B42002E28D7 /* ReCaptchaResult.swift in Sources */ = {isa = PBXBuildFile; fileRef = F2AE8613204F3B41002E28D7 /* ReCaptchaResult.swift */; };
 /* End PBXBuildFile section */

@ -36,6 +38,7 @@
 		F206BAB31F8D3DE900A25807 /* ReCaptcha-Carthage.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "ReCaptcha-Carthage.h"; sourceTree = "<group>"; };
 		F206BAB41F8D3DE900A25807 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		F206BACF1F8D3E2800A25807 /* Cartfile */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = Cartfile; sourceTree = "<group>"; };
+		F206BAD21F8D3E7600A25807 /* Result.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Result.framework; path = Carthage/Build/iOS/Result.framework; sourceTree = "<group>"; };
 		F206BB121F8D4D1400A25807 /* RxSwift.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = RxSwift.framework; path = Carthage/Build/iOS/RxSwift.framework; sourceTree = "<group>"; };
 		F206BB191F8D4DBC00A25807 /* ReCaptcha_RxSwift.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = ReCaptcha_RxSwift.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		F206BB1B1F8D4DBC00A25807 /* ReCaptcha_RxSwift.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ReCaptcha_RxSwift.h; sourceTree = "<group>"; };
@ -48,6 +51,7 @@
 		F24EA1DD1F9683F5001DEC17 /* ReCaptcha+Rx.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ReCaptcha+Rx.swift"; sourceTree = "<group>"; };
 		F24EA1DE1F9683F5001DEC17 /* ReCaptcha.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReCaptcha.swift; sourceTree = "<group>"; };
 		F24EA1E01F9683F5001DEC17 /* recaptcha.html */ = {isa = PBXFileReference; lastKnownFileType = text.html; path = recaptcha.html; sourceTree = "<group>"; };
+		F255FBEB1F8D5654002F5FA8 /* Result.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Result.framework; path = "../ReCaptcha Carthage Test/Carthage/Build/iOS/Result.framework"; sourceTree = "<group>"; };
 		F2AE8613204F3B41002E28D7 /* ReCaptchaResult.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ReCaptchaResult.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */

@ -56,6 +60,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				F206BAD31F8D3E7600A25807 /* Result.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@ -64,6 +69,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				F206BB221F8D4DDF00A25807 /* RxSwift.framework in Frameworks */,
+				F255FBEC1F8D5654002F5FA8 /* Result.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@ -104,7 +110,9 @@
 		F206BAD11F8D3E7600A25807 /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				F255FBEB1F8D5654002F5FA8 /* Result.framework */,
 				F206BB121F8D4D1400A25807 /* RxSwift.framework */,
+				F206BAD21F8D3E7600A25807 /* Result.framework */,
 			);
 			name = Frameworks;
 			sourceTree = "<group>";
@ -367,7 +375,6 @@
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@ -420,7 +427,6 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
@ -446,7 +452,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.flaviocaetano.ReCaptcha;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@ -468,7 +474,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.flaviocaetano.ReCaptcha;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@ -492,7 +498,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-RxSwift";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@ -516,7 +522,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.flaviocaetano.ReCaptcha-RxSwift";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
--- a/ReCaptcha.podspec
+++ b/ReCaptcha.podspec
@ -1,22 +1,20 @@

 Pod::Spec.new do |s|
  s.name             = 'ReCaptcha'
-  s.version          = '1.4.2'
+  s.version          = '1.2'
  s.summary          = 'ReCaptcha for iOS'
-  s.swift_version    = '4.2'
-  
+
  s.description      = <<-DESC
 Add Google's [Invisible ReCaptcha](https://developers.google.com/recaptcha/docs/invisible) to your project. This library
 automatically handles ReCaptcha's events and retrieves the validation token or notifies you to present the challenge if
 invisibility is not possible.
                       DESC

-  s.homepage          = 'https://github.com/fjcaetano/ReCaptcha'
-  s.license           = { :type => 'MIT', :file => 'LICENSE' }
-  s.author            = { 'Flávio Caetano' => 'flavio@vieiracaetano.com' }
-  s.source            = { :git => 'https://github.com/fjcaetano/ReCaptcha.git', :tag => s.version.to_s }
-  s.social_media_url  = 'https://twitter.com/flavio_caetano'
-  s.documentation_url = 'http://fjcaetano.github.io/ReCaptcha'
+  s.homepage         = 'https://github.com/fjcaetano/ReCaptcha'
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'Flávio Caetano' => 'flavio@vieiracaetano.com' }
+  s.source           = { :git => 'https://github.com/fjcaetano/ReCaptcha.git', :tag => s.version.to_s }
+  s.social_media_url = 'https://twitter.com/flavio_caetano'

  s.ios.deployment_target = '8.0'
  s.default_subspecs = 'Core'
@ -33,6 +31,6 @@ invisibility is not possible.
  s.subspec 'RxSwift' do |rx|
    rx.source_files = 'ReCaptcha/Classes/Rx/**/*'
    rx.dependency 'ReCaptcha/Core'
-    rx.dependency 'RxSwift', '~> 4.3'
+    rx.dependency 'RxSwift', '~> 4.0'
  end
 end
--- a/ReCaptcha/Classes/DispatchQueue+Throttle.swift
+++ b/ReCaptcha/Classes/DispatchQueue+Throttle.swift
@ -16,9 +16,6 @@ extension DispatchQueue {
    /// Stores the last call times for a given context
    private static var lastDebounceCallTimes = [AnyHashable: DispatchTime]()

-    /// Dispatched actions' token storage
-    private static var onceTokenStorage = Set<AnyHashable>()
-
    /// An object representing a context if none is given
    private static let nilContext = UUID()

@ -64,21 +61,4 @@ extension DispatchQueue {
            DispatchQueue.lastDebounceCallTimes.removeValue(forKey: context)
        }
    }
-
-    /**
-     - parameters:
-         - token: The control token for each dispatched action
-         - action: The closure to be executed
-
-     Dispatch the action only once for each given token
-    */
-    static func once(token: AnyHashable, action: () -> Void) {
-        guard !onceTokenStorage.contains(token) else { return }
-
-        defer { objc_sync_exit(self) }
-        objc_sync_enter(self)
-
-        onceTokenStorage.insert(token)
-        action()
-    }
 }
--- a/ReCaptcha/Classes/ReCaptcha.swift
+++ b/ReCaptcha/Classes/ReCaptcha.swift
@ -13,8 +13,6 @@ import WebKit
 /**
 */
 public class ReCaptcha {
-    public typealias BoolParameterClosure = (Bool) -> ()
-    
    fileprivate struct Constants {
        struct InfoDictKeys {
            static let APIKey = "ReCaptchaKey"
@ -32,14 +30,10 @@ public class ReCaptcha {
        /// Alternate endpoint. Points to https://www.recaptcha.net/recaptcha/api.js
        case alternate

-        internal func getURL(locale: Locale?) -> String {
-            let localeAppendix = locale.map { "&hl=\($0.identifier)" } ?? ""
+        internal var url: String {
            switch self {
-            case .default:
-                return "https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit" + localeAppendix
-            case .alternate:
-                return "https://www.recaptcha.net/recaptcha/api.js?onload=onloadCallback&render=explicit"
-                    + localeAppendix
+            case .default: return "https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit"
+            case .alternate: return "https://www.recaptcha.net/recaptcha/api.js?onload=onloadCallback&render=explicit"
            }
        }
    }
@ -103,12 +97,6 @@ public class ReCaptcha {
        }
    }

-    /// Callback for WebView loading state changing
-    public var onLoadingChanged: BoolParameterClosure? {
-        get { return manager.onLoadingChanged }
-        set { manager.onLoadingChanged = newValue }
-    }
-
    /// The worker that handles webview events and communication
    let manager: ReCaptchaWebViewManager

@ -118,7 +106,6 @@ public class ReCaptcha {
         - infoPlistKey: The API key retrived from the application's Info.plist
         - baseURL: The base URL sent to the ReCaptcha init
         - infoPlistURL: The base URL retrieved from the application's Info.plist
-         - locale: A locale value to translate ReCaptcha into a different language
     
     Initializes a ReCaptcha object

@ -134,12 +121,7 @@ public class ReCaptcha {
         Info.plist.
     - Throws: Rethrows any exceptions thrown by `String(contentsOfFile:)`
     */
-    public convenience init(
-        apiKey: String? = nil,
-        baseURL: URL? = nil,
-        endpoint: Endpoint = .default,
-        locale: Locale? = nil
-    ) throws {
+    public convenience init(apiKey: String? = nil, baseURL: URL? = nil, endpoint: Endpoint = .default) throws {
        let infoDict = Bundle.main.infoDictionary

        let plistApiKey = infoDict?[Constants.InfoDictKeys.APIKey] as? String
@ -151,7 +133,7 @@ public class ReCaptcha {
            html: config.html,
            apiKey: config.apiKey,
            baseURL: config.baseURL,
-            endpoint: endpoint.getURL(locale: locale)
+            endpoint: endpoint.url
        ))
    }

@ -207,26 +189,12 @@ public class ReCaptcha {
        manager.reset()
    }

-    // MARK: - Development
-
 #if DEBUG
-    /// Forces the challenge widget to be explicitly displayed.
+    /// Forces the challenge to be explicitly displayed.
    public var forceVisibleChallenge: Bool {
        get { return manager.forceVisibleChallenge }
        set { manager.forceVisibleChallenge = newValue }
    }
-
-    /**
-     Allows validation stubbing for testing
-
-     When this property is set to `true`, every call to `validate()` will immediately be resolved with `.token("")`.
-     
-     Use only when testing your application.
-    */
-    public var shouldSkipForTests: Bool {
-        get { return manager.shouldSkipForTests }
-        set { manager.shouldSkipForTests = newValue }
-    }
 #endif
 }

--- a/ReCaptcha/Classes/ReCaptchaWebViewManager.swift
+++ b/ReCaptcha/Classes/ReCaptchaWebViewManager.swift
@ -13,18 +13,88 @@ import WebKit
 /** Handles comunications with the webview containing the ReCaptcha challenge.
 */
 internal class ReCaptchaWebViewManager {
+    /** The `webView` delegate object that performs execution uppon script loading
+     */
+    fileprivate class WebViewDelegate: NSObject, WKNavigationDelegate {
+        struct Constants {
+            /// The host that loaded requests should have
+            static let apiURLHost = "www.google.com"
+        }
+
+        /// The parent manager
+        private weak var manager: ReCaptchaWebViewManager?
+
+        /// The active requests' urls
+        private var activeRequests = Set<String>(minimumCapacity: 0)
+
+        /// - parameter manager: The parent manager
+        init(manager: ReCaptchaWebViewManager) {
+            self.manager = manager
+        }
+
+        /**
+         - parameters:
+             - webView: The web view invoking the delegate method.
+             - navigationAction: Descriptive information about the action triggering the navigation request.
+             - decisionHandler: The decision handler to call to allow or cancel the navigation. The argument is one of
+         the constants of the enumerated type WKNavigationActionPolicy.
+
+         Decides whether to allow or cancel a navigation.
+         */
+        func webView(
+            _ webView: WKWebView,
+            decidePolicyFor navigationAction: WKNavigationAction,
+            decisionHandler: @escaping (WKNavigationActionPolicy
+        ) -> Void) {
+            defer { decisionHandler(.allow) }
+
+            if let url = navigationAction.request.url, url.host == Constants.apiURLHost {
+                activeRequests.insert(url.absoluteString)
+            }
+        }
+
+        /**
+         - parameters:
+            - webView: The web view invoking the delegate method.
+            - navigationResponse: Descriptive information about the navigation response.
+            - decisionHandler: A block to be called when your app has decided whether to allow or cancel the navigation
+
+         Decides whether to allow or cancel a navigation after its response is known.
+         */
+        func webView(
+            _ webView: WKWebView,
+            decidePolicyFor navigationResponse: WKNavigationResponse,
+            decisionHandler: @escaping (WKNavigationResponsePolicy) -> Void
+        ) {
+            defer { decisionHandler(.allow) }
+            guard let url = navigationResponse.response.url?.absoluteString,
+                activeRequests.remove(url) != nil, activeRequests.isEmpty else {
+                    return
+            }
+
+            execute()
+        }
+
+        /// Flag the requests as finished and call ReCaptcha execution if necessary
+        func execute() {
+            guard manager?.didFinishLoading != true else { return }
+
+            DispatchQueue.main.throttle(deadline: .now() + 1, context: self) { [weak self] in
+                // Did finish loading the ReCaptcha JS source
+                self?.manager?.didFinishLoading = true
+
+                if self?.manager?.completion != nil {
+                    // User has requested for validation
+                    self?.manager?.execute()
+                }
+            }
+        }
+    }

    fileprivate struct Constants {
        static let ExecuteJSCommand = "execute();"
        static let ResetCommand = "reset();"
        static let BotUserAgent = "Googlebot/2.1"
-        static let NumberOfDivsCommand = "document.getElementsByTagName(\"div\").length"
-
-        static let MinNumberOfDivs = 5
-        static let NumberOfDivsFinishedLoadingAttempts = 10
-
-        // A page doesn't have enough time to load on old devices
-        static let NumberOfDivsLoadingDelay = 0.5
    }

 #if DEBUG
@ -39,23 +109,14 @@ internal class ReCaptchaWebViewManager {
            )
        }
    }
-
-    /// Allows validation stubbing for testing
-    public var shouldSkipForTests = false
 #endif

-    /// Callback for loading state changing
-    var onLoadingChanged: ReCaptcha.BoolParameterClosure?
-
    /// Sends the result message
    var completion: ((ReCaptchaResult) -> Void)?

    /// Configures the webview for display when required
    var configureWebView: ((WKWebView) -> Void)?

-    /// The dispatch token used to ensure `configureWebView` is only called once.
-    var configureWebViewDispatchToken = UUID()
-
    /// If the ReCaptcha should be reset when it errors
    var shouldResetOnError = true

@ -63,39 +124,29 @@ internal class ReCaptchaWebViewManager {
    fileprivate var decoder: ReCaptchaDecoder!

    /// Indicates if the script has already been loaded by the `webView`
-    fileprivate var didFinishLoading = false { // webView.isLoading does not work for WKWebview.loadHTMLString
-        didSet {
-            if didFinishLoading && completion != nil {
-                // User has requested for validation
-                // A small delay is necessary to allow JS to wrap its operations and avoid errors.
-                DispatchQueue.main.asyncAfter(deadline: .now() + 0.05) { [weak self] in
-                    self?.execute()
-                }
-            }
-        }
-    }
+    fileprivate var didFinishLoading = false // webView.isLoading does not work in this case

    /// The observer for `.UIWindowDidBecomeVisible`
    fileprivate var observer: NSObjectProtocol?

-    /// The observer for `\WKWebView.estimatedProgress`
-    fileprivate var loadingObservation: NSKeyValueObservation?
-
    /// The endpoint url being used
    fileprivate var endpoint: String

+    /// The `webView` delegate implementation
+    fileprivate lazy var webviewDelegate: WebViewDelegate = {
+        WebViewDelegate(manager: self)
+    }()
+
    /// The webview that executes JS code
    lazy var webView: WKWebView = {
        let webview = WKWebView(
            frame: CGRect(x: 0, y: 0, width: 1, height: 1),
            configuration: self.buildConfiguration()
        )
+        webview.navigationDelegate = self.webviewDelegate
        webview.accessibilityIdentifier = "webview"
-        webview.accessibilityTraits = UIAccessibilityTraits.link
+        webview.accessibilityTraits = UIAccessibilityTraitLink
        webview.isHidden = true
-        self.loadingObservation = webview.observe(\.estimatedProgress, options: [.new]) { [weak self] _, change in
-            self?.didFinishLoading = change.newValue == 1
-        }

        return webview
    }()
@ -109,7 +160,6 @@ internal class ReCaptchaWebViewManager {
     */
    init(html: String, apiKey: String, baseURL: URL, endpoint: String) {
        self.endpoint = endpoint
-
        self.decoder = ReCaptchaDecoder { [weak self] result in
            self?.handle(result: result)
        }
@ -121,7 +171,7 @@ internal class ReCaptchaWebViewManager {
        }
        else {
            observer = NotificationCenter.default.addObserver(
-                forName: UIWindow.didBecomeVisibleNotification,
+                forName: .UIWindowDidBecomeVisible,
                object: nil,
                queue: nil
            ) { [weak self] notification in
@ -137,13 +187,6 @@ internal class ReCaptchaWebViewManager {
     Starts the challenge validation
     */
     func validate(on view: UIView) {
-        onLoadingChanged?(true)
-#if DEBUG
-        guard !shouldSkipForTests else {
-            completion?(.token(""))
-            return
-        }
-#endif
        webView.isHidden = false
        view.addSubview(webView)

@ -163,7 +206,6 @@ internal class ReCaptchaWebViewManager {
     */
    func reset() {
        didFinishLoading = false
-        configureWebViewDispatchToken = UUID()

        webView.evaluateJavaScript(Constants.ResetCommand) { [weak self] _, error in
            if let error = error {
@ -178,7 +220,7 @@ internal class ReCaptchaWebViewManager {
 /** Private methods for ReCaptchaWebViewManager
 */
 fileprivate extension ReCaptchaWebViewManager {
-    /** Executes the JS command that loads the ReCaptcha challenge after a page finished loading.
+    /** Executes the JS command that loads the ReCaptcha challenge.
     This method has no effect if the webview hasn't finished loading.
     */
    func execute() {
@ -187,65 +229,10 @@ fileprivate extension ReCaptchaWebViewManager {
            return
        }

-        evaluateExecuteWhenLoadingFinished(count: 0)
-    }
-
-    /**
-     - parameter count: Number of checks of number of divs
-
-     Executes the JS command that returns number of divs.
-     */
-    func evaluateExecuteWhenLoadingFinished(count: Int) {
-        webView.evaluateJavaScript(Constants.NumberOfDivsCommand) { [weak self] (result, error) -> Void in
-            if let error = error {
-                self?.decoder.send(error: .unexpected(error))
-                self?.onLoadingChanged?(false)
-            } else {
-                self?.handleNumberOfDivs(result: result, count: count)
-            }
-        }
-    }
-
-    /**
-     - parameters:
-        - result: Result of number of divs command evaluation
-        - count: Number of checks of divs count
-
-     Handles number of divs command result.
-     */
-    func handleNumberOfDivs(result: Any?, count: Int) {
-        if let result = result as? Int, result >= Constants.MinNumberOfDivs {
-            evaluateExecute()
-        } else {
-            handleInvalidNumberOfDivsResult(count: count)
-        }
-    }
-
-    /**
-     - parameter count: Number of checks of number of divs
-
-     Handles invalid number of divs.
-     */
-    func handleInvalidNumberOfDivsResult(count: Int) {
-        if count < Constants.NumberOfDivsFinishedLoadingAttempts {
-            DispatchQueue.main.asyncAfter(deadline: .now() + Constants.NumberOfDivsLoadingDelay) { [weak self] in
-                self?.evaluateExecuteWhenLoadingFinished(count: count + 1)
-            }
-        } else {
-            decoder.send(error: .htmlLoadError)
-            onLoadingChanged?(false)
-        }
-    }
-
-    /**
-     Executes the JS command that loads the ReCaptcha challenge.
-     */
-    func evaluateExecute() {
        webView.evaluateJavaScript(Constants.ExecuteJSCommand) { [weak self] _, error in
            if let error = error {
                self?.decoder.send(error: .unexpected(error))
            }
-            self?.onLoadingChanged?(false)
        }
    }

@ -284,14 +271,15 @@ fileprivate extension ReCaptchaWebViewManager {
            }

        case .showReCaptcha:
-            DispatchQueue.once(token: configureWebViewDispatchToken) { [weak self] in
+            // Ensures `configureWebView` won't get called multiple times in a short period
+            DispatchQueue.main.debounce(interval: 1) { [weak self] in
                guard let `self` = self else { return }
                self.configureWebView?(self.webView)
            }

        case .didLoad:
            // For testing purposes
-            didFinishLoading = true
+            webviewDelegate.execute()

        case .log(let message):
            #if DEBUG
--- a/ReCaptcha/Classes/Rx/ReCaptcha+Rx.swift
+++ b/ReCaptcha/Classes/Rx/ReCaptcha+Rx.swift
@ -9,10 +9,6 @@
 import RxSwift
 import UIKit

-public enum ReCaptchaRxError: Error {
-    case baseWasReleased
-}
-
 /// Makes ReCaptcha compatible with RxSwift extensions
 extension ReCaptcha: ReactiveCompatible {}

@ -68,20 +64,4 @@ public extension Reactive where Base: ReCaptcha {
            base?.reset()
        }
    }
-
-    /**
-     Observable of loading state
-     (will not work if someone changes onLoadingChanged variable; current onLodinglChanged will not work after subscription)
-    */
-    var loadingObservable: Observable<Bool> {
-        return .create { [weak base] observer -> Disposable in
-            guard let base = base else {
-                observer.onError(ReCaptchaRxError.baseWasReleased)
-                return Disposables.create()
-            }
-
-            base.onLoadingChanged = { observer.onNext($0) }
-            return Disposables.create { [weak base] in base?.onLoadingChanged = nil }
-        }
-    }
 }
--- a/example-v2-key.png
+++ b/example-v2-key.png
--- a/fastlane/Fastfile
+++ b/fastlane/Fastfile
@ -10,10 +10,9 @@ default_platform :ios
 platform :ios do
  skip_docs

-  devices = ["iPhone XR (~> 12)"]
-  devices << "iPhone X (~> 11)" if !Helper.is_ci?
+  devices = ["iPhone X (~> 11)"]
  devices << "iPhone 7 (~> 10)" if !Helper.is_ci?
-  devices << "iPhone 6s (~> 9)" if !Helper.is_ci?
+  devices << "iPhone 5s (~> 9)" if !Helper.is_ci?

  desc "Runs the following lanes:\n- test\n- pod_lint\n- carthage_lint"
  lane :ci do
@ -32,7 +31,6 @@ platform :ios do
    swiftlint(
      executable: "Example/Pods/Swiftlint/swiftlint",
      strict: true,
-      reporter: "emoji",
    )

    # The problem lies in the fact (or rather: serious bug in xcodebuild) that