diff --git a/src/cocoatweet/api/favorite/create.cc b/src/cocoatweet/api/favorite/create.cc
new file mode 100644
index 0000000..fe28295
--- /dev/null
+++ b/src/cocoatweet/api/favorite/create.cc
@@ -0,0 +1,11 @@
+#include <cocoatweet/api/favorite/create.h>
+
+namespace CocoaTweet::API::Favorites {
+Create::Create() {
+  url_ = "https://api.twitter.com/1.1/favorites/create.json";
+}
+
+void Create::id(const std::string& _id) {
+  bodyParam_.insert_or_assign("id", _id);
+}
+} // namespace CocoaTweet::API::Favorites
diff --git a/src/cocoatweet/api/favorite/create.h b/src/cocoatweet/api/favorite/create.h
new file mode 100644
index 0000000..2d1e873
--- /dev/null
+++ b/src/cocoatweet/api/favorite/create.h
@@ -0,0 +1,16 @@
+#ifndef COCOATWEET_API_FAVORITE_CREATE_H_
+#define COCOATWEET_API_FAVORITE_CREATE_H_
+
+#include <cocoatweet/api/interface/postInterface.h>
+
+namespace CocoaTweet::API::Favorites {
+class Create : public CocoaTweet::API::Interface::postInterface {
+public:
+  Create();
+  void id(const std::string& _id);
+
+private:
+};
+} // namespace CocoaTweet::API::Favorites
+
+#endif
diff --git a/src/cocoatweet/api/favorite/favorite.cc b/src/cocoatweet/api/favorite/favorite.cc
new file mode 100644
index 0000000..6d8737d
--- /dev/null
+++ b/src/cocoatweet/api/favorite/favorite.cc
@@ -0,0 +1,16 @@
+#include <iostream>
+
+#include "cocoatweet/api/favorite/favorite.h"
+#include "cocoatweet/api/favorite/create.h"
+
+namespace CocoaTweet::API::Favorites {
+Favorite::Favorite(std::shared_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
+  oauth_ = _oauth;
+}
+
+void Favorite::Create(const std::string& _id) const {
+  CocoaTweet::API::Favorites::Create create;
+  create.id(_id);
+  create.process(oauth_, [](std::string _rcv) { std::cout << _rcv << std::endl; });
+}
+} // namespace CocoaTweet::API::Favorites
diff --git a/src/cocoatweet/api/favorite/favorite.h b/src/cocoatweet/api/favorite/favorite.h
new file mode 100644
index 0000000..33ff8db
--- /dev/null
+++ b/src/cocoatweet/api/favorite/favorite.h
@@ -0,0 +1,16 @@
+#ifndef COCOATWEET_API_FAVORITE_FAVORITE_H_
+#define COCOATWEET_API_FAVORITE_FAVORITE_H_
+
+#include "cocoatweet/api/interface/groupInterface.h"
+#include "cocoatweet/oauth/oauth.h"
+
+namespace CocoaTweet::API::Favorites {
+class Favorite : public groupInterface {
+public:
+  Favorite() = default;
+  Favorite(std::shared_ptr<CocoaTweet::OAuth::OAuth1> _oauth);
+  void Create(const std::string& _id) const;
+};
+} // namespace CocoaTweet::API::Favorites
+
+#endif