diff --git a/README.md b/README.md
index f22ab7e..8340588 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ you can use these endpoint
 - favorites/create
 - favorites/destroy
 - media/upload(support: jpg, jpeg, png, gif, mp4)
+- direct_messages/events/new (message_create)
 
 # Dependency
 - libcurl(openssl version)
@@ -142,6 +143,10 @@ api.favorite().Destroy("tweet id");
 // get a timeline with screen name
 auto timeline = api.status().UserTimeline("milkcocoa0902");
 
+// send a direct message
+// you cau get recipient_id using https://idtwi.com/
+api.directMessage().messageCreate("<recipient_id>", "Sent message using Cocoa Twitter Library");
+
 ```
 
 # More Information
diff --git a/src/cocoatweet/api/api.cc b/src/cocoatweet/api/api.cc
index 6d5abd7..af529c1 100644
--- a/src/cocoatweet/api/api.cc
+++ b/src/cocoatweet/api/api.cc
@@ -2,10 +2,11 @@
 
 namespace CocoaTweet::API {
 API::API(CocoaTweet::OAuth::Key _key) {
-  oauth_    = std::make_shared<CocoaTweet::OAuth::OAuth1>(_key);
-  status_   = Statuses::Status(oauth_);
-  favorite_ = Favorites::Favorite(oauth_);
-  media_    = Medias::Media(oauth_);
+  oauth_         = std::make_shared<CocoaTweet::OAuth::OAuth1>(_key);
+  status_        = Statuses::Status(oauth_);
+  favorite_      = Favorites::Favorite(oauth_);
+  media_         = Medias::Media(oauth_);
+  directMessage_ = DirectMessages::DirectMessage(oauth_);
 }
 
 Statuses::Status API::status() const {
@@ -19,4 +20,8 @@ Favorites::Favorite API::favorite() const {
 Medias::Media API::media() const {
   return media_;
 }
+
+DirectMessages::DirectMessage API::directMessage() const {
+  return directMessage_;
+}
 } // namespace CocoaTweet::API
diff --git a/src/cocoatweet/api/api.h b/src/cocoatweet/api/api.h
index 21ba046..0366517 100644
--- a/src/cocoatweet/api/api.h
+++ b/src/cocoatweet/api/api.h
@@ -4,6 +4,7 @@
 #include <cocoatweet/api/status/status.h>
 #include <cocoatweet/api/favorite/favorite.h>
 #include <cocoatweet/api/media/media.h>
+#include <cocoatweet/api/directMessage/directMessage.h>
 #include <cocoatweet/oauth/oauth.h>
 
 namespace CocoaTweet::API {
@@ -24,10 +25,13 @@ public:
 
   Medias::Media media() const;
 
+  DirectMessages::DirectMessage directMessage() const;
+
 private:
   Statuses::Status status_;
   Favorites::Favorite favorite_;
   Medias::Media media_;
+  DirectMessages::DirectMessage directMessage_;
   std::shared_ptr<CocoaTweet::OAuth::OAuth1> oauth_;
 };
 } // namespace CocoaTweet::API
diff --git a/src/cocoatweet/api/directMessage/directMessage.cc b/src/cocoatweet/api/directMessage/directMessage.cc
new file mode 100644
index 0000000..4788418
--- /dev/null
+++ b/src/cocoatweet/api/directMessage/directMessage.cc
@@ -0,0 +1,15 @@
+#include <cocoatweet/api/directMessage/directMessage.h>
+#include <cocoatweet/api/directMessage/new.h>
+
+namespace CocoaTweet::API::DirectMessages {
+DirectMessage::DirectMessage(std::shared_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
+  oauth_ = _oauth;
+}
+
+void DirectMessage::messageCreate(const std::string& _recipient, const std::string& _message) {
+  CocoaTweet::API::DirectMessages::New dm;
+  dm.recipient(_recipient);
+  dm.message(_message);
+  dm.process(oauth_);
+}
+} // namespace CocoaTweet::API::DirectMessages
\ No newline at end of file
diff --git a/src/cocoatweet/api/directMessage/directMessage.h b/src/cocoatweet/api/directMessage/directMessage.h
new file mode 100644
index 0000000..d796111
--- /dev/null
+++ b/src/cocoatweet/api/directMessage/directMessage.h
@@ -0,0 +1,27 @@
+#ifndef COCOATWEET_API_DIRECTMESSAGE_DIRECTMESSAGE_H_
+#define COCOATWEET_API_DIRECTMESSAGE_DIRECTMESSAGE_H_
+
+#include "cocoatweet/api/interface/groupInterface.h"
+#include "cocoatweet/oauth/oauth.h"
+#include <cocoatweet/api/model/tweet.h>
+#include <vector>
+#include <utility>
+
+namespace CocoaTweet::API::DirectMessages {
+
+/// @brief Entory point for statuses/*
+class DirectMessage : public groupInterface {
+public:
+  DirectMessage() = default;
+
+  /// @brief   constructor which finally should to be called.
+  /// @param[in] std::shared_ptr<CocoaTweet::OAuth::OAuth1> : pointer to OAuth object
+  DirectMessage(std::shared_ptr<CocoaTweet::OAuth::OAuth1> _oauth);
+
+  void messageCreate(const std::string& _recipient, const std::string& _message);
+
+private:
+};
+} // namespace CocoaTweet::API::DirectMessages
+
+#endif
diff --git a/src/cocoatweet/api/directMessage/new.cc b/src/cocoatweet/api/directMessage/new.cc
new file mode 100644
index 0000000..7cbbbec
--- /dev/null
+++ b/src/cocoatweet/api/directMessage/new.cc
@@ -0,0 +1,30 @@
+#include <cocoatweet/api/directMessage/new.h>
+#include <cocoatweet/util/util.h>
+#include <string>
+
+namespace CocoaTweet::API::DirectMessages {
+New::New() {
+  url_         = "https://api.twitter.com/1.1/direct_messages/events/new.json";
+  contentType_ = "application/json";
+
+  nlohmann::json tmp;
+  tmp["type"]                           = "message_create";
+  tmp["message_create"]                 = nlohmann::json::object();
+  tmp["message_create"]["target"]       = nlohmann::json::object();
+  tmp["message_create"]["message_data"] = nlohmann::json::object();
+  json_["event"]                        = tmp;
+}
+
+void New::recipient(const std::string& _id) {
+  json_["event"]["message_create"]["target"]["recipient_id"] = std::stol(_id);
+}
+
+void New::message(const std::string& _message) {
+  json_["event"]["message_create"]["message_data"]["text"] = _message;
+}
+
+void New::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth) {
+  bodyParam_.insert_or_assign("data", json_.dump());
+  HttpPost::process(_oauth, [](const std::string& _rcv) {});
+}
+} // namespace CocoaTweet::API::DirectMessages
\ No newline at end of file
diff --git a/src/cocoatweet/api/directMessage/new.h b/src/cocoatweet/api/directMessage/new.h
new file mode 100644
index 0000000..e717e9a
--- /dev/null
+++ b/src/cocoatweet/api/directMessage/new.h
@@ -0,0 +1,30 @@
+#ifndef COCOATWEET_API_DIRECTMESSAGE_NEW_H_
+#define COCOATWEET_API_DIRECTMESSAGE_NEW_H_
+
+#include <cocoatweet/api/interface/httpPost.h>
+#include <cocoatweet/api/model/tweet.h>
+#include <vector>
+#include <utility>
+#include <memory>
+#include "nlohmann/json.hpp"
+
+namespace CocoaTweet::API::DirectMessages {
+/// @brief class for using statuses/update endpoint
+class New : public CocoaTweet::API::Interface::HttpPost {
+public:
+  New();
+  void recipient(const std::string& _id);
+  void message(const std::string& _message);
+
+  /// @brief process request for endpoint
+  /// @param[in] std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth : pointer to oauth object
+  /// @param[out] CocoaTweet::API::Model::Tweet : request result
+  void process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth);
+
+private:
+  std::string status_;
+  nlohmann::json json_;
+};
+} // namespace CocoaTweet::API::DirectMessages
+
+#endif
diff --git a/src/cocoatweet/api/interface/httpPost.cc b/src/cocoatweet/api/interface/httpPost.cc
index 378c280..1d42587 100644
--- a/src/cocoatweet/api/interface/httpPost.cc
+++ b/src/cocoatweet/api/interface/httpPost.cc
@@ -53,6 +53,8 @@ void HttpPost::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth,
             ("Content-Disposition: form-data; name=\"" + key + "\";\r\n\r\n" + value + "\r\n");
       }
       requestBody += (std::string("--") + "milkcocoa0902" + "--" + "\r\n");
+    } else if (contentType_ == "application/json") {
+      requestBody = bodyParam_["data"];
     }
   }
 
@@ -95,6 +97,8 @@ void HttpPost::process(std::weak_ptr<CocoaTweet::OAuth::OAuth1> _oauth,
       contentType = contentType_;
     } else if (contentType_ == "multipart/form-data") {
       contentType = contentType_ + "; boundary=milkcocoa0902";
+    } else if (contentType_ == "application/json") {
+      contentType_ = "application/json";
     }
 
     headers = curl_slist_append(headers, ("Content-Type: " + contentType).c_str());