diff --git a/src/cocoatweet/api/model/bearerToken.cc b/src/cocoatweet/api/model/bearerToken.cc
new file mode 100644
index 0000000..01920f1
--- /dev/null
+++ b/src/cocoatweet/api/model/bearerToken.cc
@@ -0,0 +1,14 @@
+#include "bearerToken.h"
+
+namespace CocoaTweet::API::Model {
+
+BearerToken::BearerToken() : token_("") {}
+BearerToken::BearerToken(const std::string _token)
+    : token_(_token) {}
+const std::string& BearerToken::token() const {
+  return token_;
+}
+void BearerToken::token(const std::string& _token) {
+  token_ = _token;
+}
+} // namespace CocoaTweet::API::Model
\ No newline at end of file
diff --git a/src/cocoatweet/api/model/bearerToken.h b/src/cocoatweet/api/model/bearerToken.h
new file mode 100644
index 0000000..5ac023f
--- /dev/null
+++ b/src/cocoatweet/api/model/bearerToken.h
@@ -0,0 +1,17 @@
+#ifndef COCOATWEET_API_MODEL_BEARERTOKEN_H_
+#define COCOATWEET_API_MODEL_BEARERTOKEN_H_
+#include <string>
+
+namespace CocoaTweet::API::Model {
+class BearerToken {
+  std::string token_;
+
+public:
+  BearerToken();
+  BearerToken(const std::string _token);
+  const std::string& token() const;
+  void token(const std::string& _token);
+};
+} // namespace CocoaTweet::API::Model
+
+#endif
\ No newline at end of file
diff --git a/src/cocoatweet/api/oauth1/accessToken.cc b/src/cocoatweet/api/oauth1/accessToken.cc
index 3deb982..49d96f7 100644
--- a/src/cocoatweet/api/oauth1/accessToken.cc
+++ b/src/cocoatweet/api/oauth1/accessToken.cc
@@ -2,6 +2,7 @@
 #include <cocoatweet/util/util.h>
 #include <iostream>
 
+#include <cocoatweet/authentication/oauth.h>
 namespace CocoaTweet::API::OAuth1 {
 AccessToken::AccessToken() {
   contentType_ = "application/x-www-form-urlencoded";
@@ -18,8 +19,16 @@ void AccessToken::oauthToken(const CocoaTweet::API::Model::OAuthToken _token) {
 
 const CocoaTweet::API::Model::OAuthToken AccessToken::process(
     std::weak_ptr<CocoaTweet::Authentication::AuthenticatorBase> _oauth) {
+
+  auto key = oauth_.lock()->key();
+  key.authType(CocoaTweet::Authentication::Key::AUTH_TYPE::OAUTH10A);
+  key.accessToken(oauthToken_.oauthToken());
+  key.accessTokenSecret(oauthToken_.oauthTokenSecret());
+  auto oauth = std::make_shared<CocoaTweet::Authentication::OAuth1>(key);
+
+
   CocoaTweet::API::Model::OAuthToken oauthToken;
-  HttpPost::process(_oauth, [&oauthToken](const std::string& _rcv) {
+  HttpPost::process(oauth, [&oauthToken](const std::string& _rcv) {
     auto mp = CocoaTweet::Util::parse(_rcv, '&', '=');
     if (mp.count("oauth_token")) {
       oauthToken.oauthToken(mp.at("oauth_token"));
diff --git a/src/cocoatweet/api/oauth1/oauth.cc b/src/cocoatweet/api/oauth1/oauth.cc
index c0b8130..293aa9c 100644
--- a/src/cocoatweet/api/oauth1/oauth.cc
+++ b/src/cocoatweet/api/oauth1/oauth.cc
@@ -8,13 +8,13 @@ OAuth::OAuth(std::shared_ptr<CocoaTweet::Authentication::AuthenticatorBase> _oau
 
 CocoaTweet::API::Model::OAuthToken OAuth::requestToken(
     const std::string& _oauthCallback) const {
-  auto key = oauth_.lock()->key();
-  key.authType(CocoaTweet::Authentication::Key::AUTH_TYPE::OAUTH10A);
-  auto oauth = std::make_shared<CocoaTweet::Authentication::OAuth1>(key);
+//   auto key = oauth_.lock()->key();
+//   key.authType(CocoaTweet::Authentication::Key::AUTH_TYPE::OAUTH10A);
+//   auto oauth = std::make_shared<CocoaTweet::Authentication::OAuth1>(key);
 
   CocoaTweet::API::OAuth1::RequestToken requestToken;
   requestToken.oauthCallback(_oauthCallback);
-  return requestToken.process(oauth);
+  return requestToken.process(oauth_);
 }
 
 const std::string OAuth::authorize(const CocoaTweet::API::Model::OAuthToken _oauthToken) const {
@@ -25,13 +25,13 @@ const std::string OAuth::authorize(const CocoaTweet::API::Model::OAuthToken _oau
 
 const CocoaTweet::API::Model::OAuthToken OAuth::accessToken(
     const CocoaTweet::API::Model::OAuthToken _oauthToken, const std::string _verifier) const {
-  auto key = oauth_.lock()->key();
-  key.authType(CocoaTweet::Authentication::Key::AUTH_TYPE::OAUTH10A);
-  key.accessToken(_oauthToken.oauthToken());
-  key.accessTokenSecret(_oauthToken.oauthTokenSecret());
-  auto oauth = std::make_shared<CocoaTweet::Authentication::OAuth1>(key);
+//   auto key = oauth_.lock()->key();
+//   key.authType(CocoaTweet::Authentication::Key::AUTH_TYPE::OAUTH10A);
+//   key.accessToken(_oauthToken.oauthToken());
+//   key.accessTokenSecret(_oauthToken.oauthTokenSecret());
+//   auto oauth = std::make_shared<CocoaTweet::Authentication::OAuth1>(key);
   CocoaTweet::API::OAuth1::AccessToken accessToken;
   accessToken.oauthVerifier(_verifier);
-  return accessToken.process(oauth);
+  return accessToken.process(oauth_);
 }
 } // namespace CocoaTweet::API::OAuth1
diff --git a/src/cocoatweet/api/oauth1/requestToken.cc b/src/cocoatweet/api/oauth1/requestToken.cc
index 44fd54e..680c453 100644
--- a/src/cocoatweet/api/oauth1/requestToken.cc
+++ b/src/cocoatweet/api/oauth1/requestToken.cc
@@ -1,6 +1,7 @@
 #include <cocoatweet/api/oauth1/requestToken.h>
 #include <cocoatweet/util/util.h>
 #include <iostream>
+#include <cocoatweet/authentication/oauth.h>
 
 namespace CocoaTweet::API::OAuth1 {
 RequestToken::RequestToken() {
@@ -14,8 +15,12 @@ void RequestToken::oauthCallback(const std::string& _oauthCallback) {
 
 CocoaTweet::API::Model::OAuthToken RequestToken::process(
     std::weak_ptr<CocoaTweet::Authentication::AuthenticatorBase> _oauth) {
+  auto key = oauth_.lock()->key();
+  key.authType(CocoaTweet::Authentication::Key::AUTH_TYPE::OAUTH10A);
+  auto oauth = std::make_shared<CocoaTweet::Authentication::OAuth1>(key);
+
   CocoaTweet::API::Model::OAuthToken oauthToken;
-  HttpPost::process(_oauth, [&oauthToken](const std::string& _rcv) {
+  HttpPost::process(oauth, [&oauthToken](const std::string& _rcv) {
     auto mp = CocoaTweet::Util::parse(_rcv, '&', '=');
     if (mp.count("oauth_token")) {
       oauthToken.oauthToken(mp.at("oauth_token"));
diff --git a/src/cocoatweet/api/oauth2/invalidateToken.cc b/src/cocoatweet/api/oauth2/invalidateToken.cc
index e69de29..4a38f01 100644
--- a/src/cocoatweet/api/oauth2/invalidateToken.cc
+++ b/src/cocoatweet/api/oauth2/invalidateToken.cc
@@ -0,0 +1,30 @@
+#include <cocoatweet/api/oauth2/invalidateToken.h>
+#include "nlohmann/json.hpp"
+
+namespace CocoaTweet::API::OAuth2 {
+InvalidateToken::InvalidateToken() {
+  contentType_ = "application/x-www-form-urlencoded";
+  url_         = "https://api.twitter.com/oauth2/invalidate_token";
+}
+
+void InvalidateToken::accessToken(const std::string _bearer){
+    // bodyParam_.insert_or_assign("access_token", _bearer);
+    bearer_ = _bearer;
+}
+
+const CocoaTweet::API::Model::BearerToken InvalidateToken::process(
+    std::weak_ptr<CocoaTweet::Authentication::AuthenticatorBase> _oauth) {
+        auto org = url_;
+        auto url = url_ + "?access_token=" + bearer_;
+        url_ = url;
+  auto basic = std::make_shared<CocoaTweet::Authentication::Basic>(_oauth.lock()->key());
+  CocoaTweet::API::Model::BearerToken bearer;
+  HttpPost::process(basic, [&bearer](const std::string& _rcv) {
+    auto j = nlohmann::json::parse(_rcv);
+    bearer.token(j["access_token"]);
+  });
+  url_ = org;
+  return bearer;
+}
+
+} // namespace CocoaTweet::API::OAuth2
\ No newline at end of file
diff --git a/src/cocoatweet/api/oauth2/invalidateToken.h b/src/cocoatweet/api/oauth2/invalidateToken.h
index 5872d9a..649b9b5 100644
--- a/src/cocoatweet/api/oauth2/invalidateToken.h
+++ b/src/cocoatweet/api/oauth2/invalidateToken.h
@@ -1,6 +1,22 @@
 #ifndef COCOATWEET_API_OAUTH2_INVALIDATETOKEN_H_
 #define COCOATWEET_API_OAUTH2_INVALIDATETOKEN_H_
 
+#include <cocoatweet/api/model/bearerToken.h>
+#include <cocoatweet/api/interface/httpPost.h>
+#include <cocoatweet/authentication/basic.h>
+
+namespace CocoaTweet::API::OAuth2{
+class InvalidateToken : public CocoaTweet::API::Interface::HttpPost {
+public:
+  InvalidateToken();
+  void accessToken(const std::string _bearer);
+  const CocoaTweet::API::Model::BearerToken process(
+      std::weak_ptr<CocoaTweet::Authentication::AuthenticatorBase> _oauth);
+
+private:
+std::string bearer_;
+};
+}
 
 
 #endif
\ No newline at end of file
diff --git a/src/cocoatweet/api/oauth2/oauth2.cc b/src/cocoatweet/api/oauth2/oauth2.cc
index fb11ce8..b99f914 100644
--- a/src/cocoatweet/api/oauth2/oauth2.cc
+++ b/src/cocoatweet/api/oauth2/oauth2.cc
@@ -7,10 +7,19 @@ OAuth2::OAuth2(std::shared_ptr<CocoaTweet::Authentication::AuthenticatorBase> _o
 }
 
 const std::string OAuth2::token() const {
-  auto key   = oauth_.lock()->key();
-  auto oauth = std::make_shared<CocoaTweet::Authentication::Basic>(key);
+//   auto key   = oauth_.lock()->key();
+//   auto oauth = std::make_shared<CocoaTweet::Authentication::Basic>(key);
 
   CocoaTweet::API::OAuth2::Token token;
-  return token.process(oauth);
+  return token.process(oauth_);
+}
+
+  const CocoaTweet::API::Model::BearerToken OAuth2::invalidateToken(const std::string& _bearer) const  {
+//   auto key   = oauth_.lock()->key();
+//   auto oauth = std::make_shared<CocoaTweet::Authentication::Basic>(key);
+
+  CocoaTweet::API::OAuth2::InvalidateToken invalidateToken;
+  invalidateToken.accessToken(_bearer);
+  return invalidateToken.process(oauth_);
 }
 } // namespace CocoaTweet::API::OAuth2
diff --git a/src/cocoatweet/api/oauth2/oauth2.h b/src/cocoatweet/api/oauth2/oauth2.h
index 62d386c..6d66aad 100644
--- a/src/cocoatweet/api/oauth2/oauth2.h
+++ b/src/cocoatweet/api/oauth2/oauth2.h
@@ -2,8 +2,10 @@
 #define COCOATWEET_API_OAUTH2_OAUTH2_H_
 
 #include "cocoatweet/api/interface/groupInterface.h"
+#include <cocoatweet/api/oauth2/invalidateToken.h>
 #include <cocoatweet/api/oauth2/token.h>
 #include <cocoatweet/api/model/oauthToken.h>
+#include <cocoatweet/api/model/bearerToken.h>
 #include <vector>
 #include <utility>
 
@@ -20,6 +22,8 @@ public:
   OAuth2(std::shared_ptr<CocoaTweet::Authentication::AuthenticatorBase> _oauth);
 
   const std::string token() const;
+
+  const CocoaTweet::API::Model::BearerToken invalidateToken(const std::string& _bearer) const;
 };
 } // namespace CocoaTweet::API::OAuth2
 
diff --git a/src/main.cc b/src/main.cc
index 00137b1..94f8513 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -8,6 +8,8 @@
 #include <cocoatweet/api/oauth2/token.h>
 #include <cocoatweet/authentication/oauth.h>
 
+#include <cocoatweet/util/util.h>
+
 auto main() -> int {
   // Generate Key object
   // auto consumerKey           = "your consumer key";
@@ -35,6 +37,20 @@ auto main() -> int {
 
     auto user = api.user().show("milkcocoa9692");
     std::cout << user.id() << std::endl;
+
+    std::cout << "consumerKey : " << key.consumerKey() << std::endl;
+    std::cout << "consumerSecret : " << key.consumerSecret() << std::endl;
+    std::cout << "bearer : " << key.bearerToken() << std::endl;
+    std::cout << "bearer : " << CocoaTweet::Util::urlDecode(key.bearerToken()) << std::endl;
+
+    auto newBearerToken = api.oauth2().invalidateToken(key.bearerToken());
+    key.bearerToken(newBearerToken.token());
+    api.swapKey(key);
+    user = api.user().show("milkcocoa9692");
+    std::cout << user.id() << std::endl;
+
+
+
     // api.directMessage().messageCreate(
     //     user.id(),
     //     "これはクソみたいなスパムDMです。\nCocoaTwitterLibraryで、user/"
@@ -47,7 +63,7 @@ auto main() -> int {
     // api.generateBearerToken();
 
     // Now, you can use a twitter api
-    auto status = api.status().update("Hello Twitter World via Cocoa Twitter Library!!");
+    // auto status = api.status().update("Hello Twitter World via Cocoa Twitter Library!!");
     // std::cout << status.id() << std::endl;
     // api.favorite().create(status.id());
     // api.favorite().destroy(status.id());