diff --git a/Sources/HexavilleAuth/HexavilleAuth+Router.swift b/Sources/HexavilleAuth/HexavilleAuth+Router.swift
index c915d9f..75b19e7 100644
--- a/Sources/HexavilleAuth/HexavilleAuth+Router.swift
+++ b/Sources/HexavilleAuth/HexavilleAuth+Router.swift
@@ -16,8 +16,7 @@ extension HexavilleAuth {
             switch type {
             case .oauth1(let provider):
                 router.use(.get, provider.path) { request, context in
-                    let queryItems: [URLQueryItem] = provider.oauth.blockForCallbackURLQueryParams?(request) ?? []
-                    let requestToken = try provider.getRequestToken(withCallbackURLQueryItems: queryItems)
+                    let requestToken = try provider.getRequestToken(for: request)
                     context.session?["hexaville.oauth_token_secret"] = requestToken.oauthTokenSecret
                     context.session?["hexaville.oauth_token"] = requestToken.oauthToken
                     let location = try provider.createAuthorizeURL(requestToken: requestToken).absoluteString
@@ -53,7 +52,7 @@ extension HexavilleAuth {
                     return Response(
                         status: .found,
                         headers: [
-                            "Location": try provider.createAuthorizeURL(withCallbackURLQueryItems: request.queryItems).absoluteString
+                            "Location": try provider.createAuthorizeURL(for: request).absoluteString
                         ]
                     )
                 }
diff --git a/Sources/HexavilleAuth/OAuth/OAuth1.swift b/Sources/HexavilleAuth/OAuth/OAuth1.swift
index e631230..0bcbdca 100644
--- a/Sources/HexavilleAuth/OAuth/OAuth1.swift
+++ b/Sources/HexavilleAuth/OAuth/OAuth1.swift
@@ -118,7 +118,8 @@ public class OAuth1 {
         return dict.map({ "\($0.key)=\($0.value)" }).joined(separator: "&")
     }
     
-    public func getRequestToken(withCallbackURLQueryItems queryItems: [URLQueryItem]) throws -> RequestToken {
+    public func getRequestToken(for request: Request) throws -> RequestToken {
+        let queryItems = blockForCallbackURLQueryParams?(request) ?? []
         var params = [
             "oauth_callback": callbackURL.absoluteURL(withQueryItems: queryItems)!.absoluteString,
             "oauth_consumer_key": consumerKey,
diff --git a/Sources/HexavilleAuth/OAuth/OAuth2.swift b/Sources/HexavilleAuth/OAuth/OAuth2.swift
index 6d50b68..94d53a4 100644
--- a/Sources/HexavilleAuth/OAuth/OAuth2.swift
+++ b/Sources/HexavilleAuth/OAuth/OAuth2.swift
@@ -38,7 +38,8 @@ public class OAuth2 {
         return dict.map({ "\($0.key)=\($0.value)" }).joined(separator: "&")
     }
     
-    public func createAuthorizeURL(withCallbackURLQueryItems queryItems: [URLQueryItem]) throws -> URL {
+    public func createAuthorizeURL(for request: Request) throws -> URL {
+        let queryItems = blockForCallbackURLQueryParams?(request) ?? []
         let params = [
             "client_id": consumerKey,
             "redirect_uri": callbackURL.absoluteURL(withQueryItems: queryItems)!.absoluteString,
@@ -61,7 +62,8 @@ public class OAuth2 {
         }
         let urlString = self.accessTokenURL!
         let url = URL(string: urlString)!
-        let redirectURL = callbackURL.absoluteURL(withQueryItems: request.queryItems)!.absoluteString
+        let queryItems = blockForCallbackURLQueryParams?(request) ?? []
+        let redirectURL = callbackURL.absoluteURL(withQueryItems: queryItems)!.absoluteString
         
         let body: [String] = [
             "client_id=\(self.consumerKey)",
diff --git a/Sources/HexavilleAuth/Providers/OAuth1/TwitterAuthorizationProvider.swift b/Sources/HexavilleAuth/Providers/OAuth1/TwitterAuthorizationProvider.swift
index 6e8a8ca..4fb6781 100644
--- a/Sources/HexavilleAuth/Providers/OAuth1/TwitterAuthorizationProvider.swift
+++ b/Sources/HexavilleAuth/Providers/OAuth1/TwitterAuthorizationProvider.swift
@@ -43,7 +43,7 @@ public struct TwitterAuthorizationProvider: OAuth1AuthorizationProvidable {
     }
     
     public func authorize(request: Request, requestToken: RequestToken) throws -> (Credential, LoginUser)  {
-        let credential = try self.getAccessToken(request: request, requestToken: requestToken)
+        let credential = try self.getAccessToken(for: request, requestToken: requestToken)
         let info = try self.oauth.verify(credential: credential, verifyURL: "https://api.twitter.com/1.1/account/verify_credentials.json")
         
         let user = LoginUser(
diff --git a/Sources/HexavilleAuth/Providers/OAuth1AuthorizationProvidable.swift b/Sources/HexavilleAuth/Providers/OAuth1AuthorizationProvidable.swift
index 7c5075c..ec0664e 100644
--- a/Sources/HexavilleAuth/Providers/OAuth1AuthorizationProvidable.swift
+++ b/Sources/HexavilleAuth/Providers/OAuth1AuthorizationProvidable.swift
@@ -14,22 +14,22 @@ public protocol OAuth1AuthorizationProvidable {
     var oauth: OAuth1 { get }
     var callback: RespodWithCredential { get }
     init(path: String, consumerKey: String, consumerSecret: String, callbackURL: CallbackURL, blockForCallbackURLQueryParams: ((Request) -> [URLQueryItem])?, scope: String, callback: @escaping RespodWithCredential)
-    func getRequestToken(withCallbackURLQueryItems queryItems: [URLQueryItem]) throws -> RequestToken
+    func getRequestToken(for request: Request) throws -> RequestToken
     func createAuthorizeURL(requestToken: RequestToken) throws -> URL
-    func getAccessToken(request: Request, requestToken: RequestToken) throws -> Credential
+    func getAccessToken(for request: Request, requestToken: RequestToken) throws -> Credential
     func authorize(request: Request, requestToken: RequestToken) throws -> (Credential, LoginUser)
 }
 
 extension OAuth1AuthorizationProvidable {
-    public func getRequestToken(withCallbackURLQueryItems queryItems: [URLQueryItem]) throws -> RequestToken {
-        return try oauth.getRequestToken(withCallbackURLQueryItems: queryItems)
+    public func getRequestToken(for request: Request) throws -> RequestToken {
+        return try oauth.getRequestToken(for : request)
     }
     
     public func createAuthorizeURL(requestToken: RequestToken) throws -> URL {
         return try oauth.createAuthorizeURL(requestToken: requestToken)
     }
     
-    public func getAccessToken(request: Request, requestToken: RequestToken) throws -> Credential {
+    public func getAccessToken(for request: Request, requestToken: RequestToken) throws -> Credential {
         return try self.oauth.getAccessToken(request: request, requestToken: requestToken)
     }
 }
diff --git a/Sources/HexavilleAuth/Providers/OAuth2AuthorizationProvidable.swift b/Sources/HexavilleAuth/Providers/OAuth2AuthorizationProvidable.swift
index 48e20a2..75a6044 100644
--- a/Sources/HexavilleAuth/Providers/OAuth2AuthorizationProvidable.swift
+++ b/Sources/HexavilleAuth/Providers/OAuth2AuthorizationProvidable.swift
@@ -21,8 +21,8 @@ public protocol OAuth2AuthorizationProvidable {
 }
 
 extension OAuth2AuthorizationProvidable {
-    public func createAuthorizeURL(withCallbackURLQueryItems queryItems: [URLQueryItem]) throws -> URL {
-        return try oauth.createAuthorizeURL(withCallbackURLQueryItems: queryItems)
+    public func createAuthorizeURL(for request: Request) throws -> URL {
+        return try oauth.createAuthorizeURL(for: request)
     }
     
     public func getAccessToken(for request: Request) throws -> Credential {