diff --git a/LeadKitAdditions.podspec b/LeadKitAdditions.podspec
index 78bd9b7..a882fff 100644
--- a/LeadKitAdditions.podspec
+++ b/LeadKitAdditions.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name            = "LeadKitAdditions"
-  s.version         = "0.0.2"
+  s.version         = "0.0.3"
   s.summary         = "iOS framework with a bunch of tools for rapid development"
   s.homepage        = "https://github.com/NikAshanin/LeadKitAdditions"
   s.license         = "Apache License, Version 2.0"
diff --git a/LeadKitAdditions/LeadKitAdditions/Classes/DefaultNetworkService.swift b/LeadKitAdditions/LeadKitAdditions/Classes/DefaultNetworkService.swift
index 51bf142..3b5b057 100644
--- a/LeadKitAdditions/LeadKitAdditions/Classes/DefaultNetworkService.swift
+++ b/LeadKitAdditions/LeadKitAdditions/Classes/DefaultNetworkService.swift
@@ -28,69 +28,42 @@ import RxSwift
 import RxCocoa
 import RxAlamofire
 
-fileprivate let defaultTimeoutInterval = 20.0
+public let defaultTimeoutInterval = 20.0
 
 open class DefaultNetworkService: NetworkService {
 
-    static let sharedInstance = DefaultNetworkService()
-
     static let retryLimit = 3
 
     open class func baseUrl() -> String {
         fatalError("base url should be overrided")
     }
 
-    private override init(sessionManager: Alamofire.SessionManager) {
+    public override init(sessionManager: SessionManager) {
         super.init(sessionManager: sessionManager)
 
         bindActivityIndicator()
     }
 
-    public convenience init() {
+    // MARK: - Default Values
+
+    open class func serverTrustPolicies() -> [String: ServerTrustPolicy] {
+        return [
+            DefaultNetworkService.baseUrl(): .disableEvaluation
+        ]
+    }
+
+    open class func configuration() -> URLSessionConfiguration {
         let configuration = URLSessionConfiguration.default
         configuration.timeoutIntervalForRequest = defaultTimeoutInterval
 
-        let serverTrustPolicies: [String: ServerTrustPolicy] = [
-            DefaultNetworkService.baseUrl(): .disableEvaluation
-        ]
-
-        let sessionManager = SessionManager(configuration: configuration,
-                                            serverTrustPolicyManager: ServerTrustPolicyManager(policies: serverTrustPolicies))
-
-        self.init(sessionManager: sessionManager)
+        return configuration
     }
 
-    // MARK: - Internal methods
-
-//    func request<T: ImmutableMappable>(with parameters: ApiRequestParameters) -> Observable<T> {
-//        let apiResponseRequest = rxRequest(with: parameters) as Observable<(response: HTTPURLResponse, model: ApiResponse)>
-//
-//        return apiResponseRequest
-//            .handleConnectionErrors()
-//            .map {
-//                if $0.model.errorCode == 0 {
-//                    return try T(JSON: try cast($0.model.result) as [String: Any])
-//                } else {
-//                    throw ApiError(apiResponse: $0.model)
-//                }
-//            }
-//            .handleGeneralApiErrors()
-//    }
-//
-//    func requestForResult(with parameters: ApiRequestParameters) -> Observable<Bool> {
-//        let apiResponseRequest = rxRequest(with: parameters) as Observable<(response: HTTPURLResponse, model: ApiResponse)>
-//
-//        return apiResponseRequest
-//            .handleConnectionErrors()
-//            .map {
-//                if $0.model.errorCode == 0 {
-//                    return true
-//                } else {
-//                    throw ApiError(apiResponse: $0.model)
-//                }
-//            }
-//            .handleGeneralApiErrors()
-//    }
+    open class func sessionManager() -> SessionManager {
+        let sessionManager = SessionManager(configuration: configuration(),
+                                            serverTrustPolicyManager: ServerTrustPolicyManager(policies: serverTrustPolicies()))
+        return sessionManager
+    }
 
 }