diff --git a/src/cocoatweet/api/favorite/create.cc b/src/cocoatweet/api/favorite/create.cc
index 8ba2e2e..5aff1ab 100644
--- a/src/cocoatweet/api/favorite/create.cc
+++ b/src/cocoatweet/api/favorite/create.cc
@@ -1,5 +1,5 @@
 #include <cocoatweet/api/favorite/create.h>
-
+#include <iostream>
 namespace CocoaTweet::API::Favorites {
 Create::Create() {
   contentType_ = "application/x-www-form-urlencoded";
@@ -11,7 +11,7 @@ void Create::id(const std::string& _id) {
 }
 
 void Create::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
-  postInterface::process(_oauth,
+  HttpPost::process(_oauth,
                          [](const std::string& _srv) { std::cout << _srv << std::endl; });
 }
 } // namespace CocoaTweet::API::Favorites
diff --git a/src/cocoatweet/api/favorite/create.h b/src/cocoatweet/api/favorite/create.h
index b5707b9..9a22f88 100644
--- a/src/cocoatweet/api/favorite/create.h
+++ b/src/cocoatweet/api/favorite/create.h
@@ -1,10 +1,10 @@
 #ifndef COCOATWEET_API_FAVORITE_CREATE_H_
 #define COCOATWEET_API_FAVORITE_CREATE_H_
 
-#include <cocoatweet/api/interface/postInterface.h>
+#include <cocoatweet/api/interface/httpPost.h>
 
 namespace CocoaTweet::API::Favorites {
-class Create : public CocoaTweet::API::Interface::postInterface {
+class Create : public CocoaTweet::API::Interface::HttpPost {
 public:
   Create();
   void id(const std::string& _id);
diff --git a/src/cocoatweet/api/favorite/destroy.cc b/src/cocoatweet/api/favorite/destroy.cc
index ff0fb5e..5e9ce99 100644
--- a/src/cocoatweet/api/favorite/destroy.cc
+++ b/src/cocoatweet/api/favorite/destroy.cc
@@ -1,5 +1,5 @@
 #include <cocoatweet/api/favorite/destroy.h>
-
+#include <iostream>
 namespace CocoaTweet::API::Favorites {
 Destroy::Destroy() {
   contentType_ = "application/x-www-form-urlencoded";
@@ -11,7 +11,7 @@ void Destroy::id(const std::string& _id) {
 }
 
 void Destroy::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
-  postInterface::process(_oauth,
+  HttpPost::process(_oauth,
                          [](const std::string& _srv) { std::cout << _srv << std::endl; });
 }
 } // namespace CocoaTweet::API::Favorites
diff --git a/src/cocoatweet/api/favorite/destroy.h b/src/cocoatweet/api/favorite/destroy.h
index cf408d3..809f4e7 100644
--- a/src/cocoatweet/api/favorite/destroy.h
+++ b/src/cocoatweet/api/favorite/destroy.h
@@ -1,10 +1,10 @@
 #ifndef COCOATWEET_API_FAVORITE_DESTROY_H_
 #define COCOATWEET_API_FAVORITE_DESTROY_H_
 
-#include <cocoatweet/api/interface/postInterface.h>
+#include <cocoatweet/api/interface/httpPost.h>
 
 namespace CocoaTweet::API::Favorites {
-class Destroy : public CocoaTweet::API::Interface::postInterface {
+class Destroy : public CocoaTweet::API::Interface::HttpPost {
 public:
   Destroy();
   void id(const std::string& _id);
diff --git a/src/cocoatweet/api/interface/postInterface.cc b/src/cocoatweet/api/interface/httpPost.cc
similarity index 93%
rename from src/cocoatweet/api/interface/postInterface.cc
rename to src/cocoatweet/api/interface/httpPost.cc
index ad49ace..fe4272f 100644
--- a/src/cocoatweet/api/interface/postInterface.cc
+++ b/src/cocoatweet/api/interface/httpPost.cc
@@ -1,4 +1,4 @@
-#include <cocoatweet/api/interface/postInterface.h>
+#include <cocoatweet/api/interface/httpPost.h>
 #include "cocoatweet/util/util.h"
 #include <iterator>
 #include <memory>
@@ -10,14 +10,14 @@ extern "C" {
 }
 
 namespace CocoaTweet::API::Interface {
-size_t postInterface::curlCallback_(char* _ptr, size_t _size, size_t _nmemb,
+size_t HttpPost::curlCallback_(char* _ptr, size_t _size, size_t _nmemb,
                                     std::string* _stream) {
   int realsize = _size * _nmemb;
   _stream->append(_ptr, realsize);
   return realsize;
 }
 
-void postInterface::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth,
+void HttpPost::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth,
                             std::function<void(std::string)> _callback) {
   // エンドポイントへのパラメータにOAuthパラメータを付加して署名作成
   auto oauth       = _oauth.lock();
diff --git a/src/cocoatweet/api/interface/postInterface.h b/src/cocoatweet/api/interface/httpPost.h
similarity index 93%
rename from src/cocoatweet/api/interface/postInterface.h
rename to src/cocoatweet/api/interface/httpPost.h
index eeba218..faedf2b 100644
--- a/src/cocoatweet/api/interface/postInterface.h
+++ b/src/cocoatweet/api/interface/httpPost.h
@@ -3,11 +3,11 @@
 
 #include <functional>
 #include "cocoatweet/oauth/oauth.h"
-#include <iostream>
 
 namespace CocoaTweet::API::Interface {
-class postInterface {
+class HttpPost {
 public:
+
 protected:
   std::weak_ptr<CocoaTweet::OAuth::OAuth1> oauth_;
   std::map<std::string, std::string> bodyParam_;
diff --git a/src/cocoatweet/api/status/destroy.cc b/src/cocoatweet/api/status/destroy.cc
index 61073ea..c7bb1f5 100644
--- a/src/cocoatweet/api/status/destroy.cc
+++ b/src/cocoatweet/api/status/destroy.cc
@@ -1,5 +1,5 @@
 #include "cocoatweet/api/status/destroy.h"
-
+#include <iostream>
 namespace CocoaTweet::API::Statuses {
 Destroy::Destroy() {}
 void Destroy::id(const std::string _id) {
@@ -8,7 +8,7 @@ void Destroy::id(const std::string _id) {
 }
 
 void Destroy::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
-  postInterface::process(_oauth,
+  HttpPost::process(_oauth,
                          [](const std::string& _srv) { std::cout << _srv << std::endl; });
 }
 
diff --git a/src/cocoatweet/api/status/destroy.h b/src/cocoatweet/api/status/destroy.h
index 45e9a4d..9a625a0 100644
--- a/src/cocoatweet/api/status/destroy.h
+++ b/src/cocoatweet/api/status/destroy.h
@@ -3,11 +3,11 @@
 
 #include <memory>
 
-#include "cocoatweet/api/interface/postInterface.h"
+#include "cocoatweet/api/interface/httpPost.h"
 //#include "cocoatweet/oauth/oauth.h"
 
 namespace CocoaTweet::API::Statuses {
-class Destroy : public CocoaTweet::API::Interface::postInterface {
+class Destroy : public CocoaTweet::API::Interface::HttpPost {
 public:
   Destroy();
   void id(const std::string _id);
diff --git a/src/cocoatweet/api/status/update.cc b/src/cocoatweet/api/status/update.cc
index 66f71d8..4c4fb40 100644
--- a/src/cocoatweet/api/status/update.cc
+++ b/src/cocoatweet/api/status/update.cc
@@ -1,4 +1,5 @@
 #include "cocoatweet/api/status/update.h"
+#include <iostream>
 
 namespace CocoaTweet::API::Statuses {
 Update::Update() {
@@ -11,7 +12,7 @@ void Update::status(const std::string _status) {
 }
 
 void Update::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
-  postInterface::process(_oauth,
+  HttpPost::process(_oauth,
                          [](const std::string& _srv) { std::cout << _srv << std::endl; });
 }
 
diff --git a/src/cocoatweet/api/status/update.h b/src/cocoatweet/api/status/update.h
index 848046b..6f7cfb0 100644
--- a/src/cocoatweet/api/status/update.h
+++ b/src/cocoatweet/api/status/update.h
@@ -2,12 +2,11 @@
 #define COCOATWEET_API_STATUSES_UPDATE_H_
 
 #include <memory>
-
-#include "cocoatweet/api/interface/postInterface.h"
+#include "cocoatweet/api/interface/httpPost.h"
 //#include "cocoatweet/oauth/oauth.h"
 
 namespace CocoaTweet::API::Statuses {
-class Update : public CocoaTweet::API::Interface::postInterface {
+class Update : public CocoaTweet::API::Interface::HttpPost {
 public:
   Update();
   void status(const std::string _status);