diff --git a/src/cocoatweet/api/interface/interface.cc b/src/cocoatweet/api/interface/interface.cc
deleted file mode 100644
index cbb6077..0000000
--- a/src/cocoatweet/api/interface/interface.cc
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <cocoatweet/api/interface/interface.h>
-
-namespace CocoaTweet::API {
-size_t Interface::curlCallback_(char* _ptr, size_t _size, size_t _nmemb, std::string* _stream) {
-  int realsize = _size * _nmemb;
-  _stream->append(_ptr, realsize);
-  return realsize;
-}
-} // namespace CocoaTweet::API
diff --git a/src/cocoatweet/api/interface/postInterface.cc b/src/cocoatweet/api/interface/postInterface.cc
new file mode 100644
index 0000000..68f93e3
--- /dev/null
+++ b/src/cocoatweet/api/interface/postInterface.cc
@@ -0,0 +1,9 @@
+#include <cocoatweet/api/interface/postInterface.h>
+
+namespace CocoaTweet::API::Interface {
+size_t postInterface::curlCallback_(char* _ptr, size_t _size, size_t _nmemb, std::string* _stream) {
+  int realsize = _size * _nmemb;
+  _stream->append(_ptr, realsize);
+  return realsize;
+}
+} // namespace CocoaTweet::API
diff --git a/src/cocoatweet/api/interface/interface.h b/src/cocoatweet/api/interface/postInterface.h
similarity index 74%
rename from src/cocoatweet/api/interface/interface.h
rename to src/cocoatweet/api/interface/postInterface.h
index dffe0d4..d45e1eb 100644
--- a/src/cocoatweet/api/interface/interface.h
+++ b/src/cocoatweet/api/interface/postInterface.h
@@ -1,11 +1,11 @@
-#ifndef COCOATWEET_API_INTERFACE_H_
-#define COCOATWEET_API_INTERFACE_H_
+#ifndef COCOATWEET_API_INTERFACE_POSTINTERFACE_H_
+#define COCOATWEET_API_INTERFACE_POSTINTERFACE_H_
 
 #include <functional>
 #include "cocoatweet/oauth/oauth.h"
 
-namespace CocoaTweet::API {
-class Interface {
+namespace CocoaTweet::API::Interface {
+class postInterface {
 public:
   virtual void process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth,
                        std::function<void(std::string)> _callback) = 0;
diff --git a/src/cocoatweet/api/status/update.h b/src/cocoatweet/api/status/update.h
index 84e97d5..d3b88a6 100644
--- a/src/cocoatweet/api/status/update.h
+++ b/src/cocoatweet/api/status/update.h
@@ -3,11 +3,11 @@
 
 #include <memory>
 
-#include "cocoatweet/api/interface/interface.h"
+#include "cocoatweet/api/interface/postInterface.h"
 //#include "cocoatweet/oauth/oauth.h"
 
 namespace CocoaTweet::API::Statuses {
-class Update : public Interface {
+class Update : public CocoaTweet::API::Interface::postInterface {
 public:
   Update();
   void status(const std::string _status);