diff --git a/README.md b/README.md
index 164f1da..d9704f4 100644
--- a/README.md
+++ b/README.md
@@ -231,6 +231,7 @@ print(response.data)
 | `serviceMethods.getContacts`           | The method is designed to get a list of contacts of the current account                                                  | [GetContacts](https://green-api.com/en/docs/api/service/GetContacts/)                                       |
 | `serviceMethods.getContactInfo`        | The method is designed to obtain information about the contact                                                           | [GetContactInfo](https://green-api.com/en/docs/api/service/GetContactInfo/)                                 |
 | `serviceMethods.deleteMessage`         | The method deletes the message from chat                                                                                 | [DeleteMessage](https://green-api.com/en/docs/api/service/deleteMessage/)                                   |
+| `serviceMethods.editMessage`           | The method edits the message in chat                                                                                     | [EditMessage](https://green-api.com/en/docs/api/service/editMessage/)                                   |
 | `serviceMethods.archiveChat`           | The method archives the chat                                                                                             | [ArchiveChat](https://green-api.com/en/docs/api/service/archiveChat/)                                       |
 | `serviceMethods.unarchiveChat`         | The method unarchives the chat                                                                                           | [UnarchiveChat](https://green-api.com/en/docs/api/service/unarchiveChat/)                                   |
 | `serviceMethods.setDisappearingChat`   | The method is designed to change the settings of disappearing messages in chats                                          | [SetDisappearingChat](https://green-api.com/en/docs/api/service/SetDisappearingChat/)                       |
diff --git a/docs/README.md b/docs/README.md
index f6a7f02..d8127a7 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -215,6 +215,7 @@ print(response.data)
 | `serviceMethods.getContacts`           | Метод предназначен для получения списка контактов текущего аккаунта                                                       | [GetContacts](https://green-api.com/docs/api/service/GetContacts/)                                       |
 | `serviceMethods.getContactInfo`        | Метод предназначен для получения информации о контакте                                                                    | [GetContactInfo](https://green-api.com/docs/api/service/GetContactInfo/)                                 |
 | `serviceMethods.deleteMessage`         | Метод удаляет сообщение из чата                                                                                           | [DeleteMessage](https://green-api.com/docs/api/service/deleteMessage/)                                   |
+| `serviceMethods.editMessage`           | Метод изменяет сообщение в чате                                                                                           | [EditMessage](https://green-api.com/docs/api/service/editMessage/)                                   |
 | `serviceMethods.archiveChat`           | Метод архивирует чат                                                                                                      | [ArchiveChat](https://green-api.com/docs/api/service/archiveChat/)                                       |
 | `serviceMethods.unarchiveChat`         | Метод разархивирует чат                                                                                                   | [UnarchiveChat](https://green-api.com/docs/api/service/unarchiveChat/)                                   |
 | `serviceMethods.setDisappearingChat`   | Метод предназначен для изменения настроек исчезающих сообщений в чатах                                                    | [SetDisappearingChat](https://green-api.com/docs/api/service/SetDisappearingChat/)                       |
diff --git a/setup.py b/setup.py
index c890ff3..1c92486 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name="whatsapp-api-client-python",
-    version="0.0.48",
+    version="0.0.49",
     description=(
         "This library helps you easily create"
         " a Python application with WhatsApp API."
diff --git a/whatsapp_api_client_python/API.py b/whatsapp_api_client_python/API.py
index 4449db9..62a2612 100644
--- a/whatsapp_api_client_python/API.py
+++ b/whatsapp_api_client_python/API.py
@@ -78,14 +78,18 @@ def request(
         url = url.replace("{{idInstance}}", self.idInstance)
         url = url.replace("{{apiTokenInstance}}", self.apiTokenInstance)
 
+        headers = {
+            'User-Agent': 'GREEN-API_SDK_PY/1.0'
+        }
+
         try:
             if not files:
                 response = self.session.request(
-                    method=method, url=url, json=payload, timeout=self.host_timeout
+                    method=method, url=url, json=payload, timeout=self.host_timeout, headers=headers
                 )
             else:
                 response = self.session.request(
-                    method=method, url=url, data=payload, files=files, timeout=self.media_timeout
+                    method=method, url=url, data=payload, files=files, timeout=self.media_timeout, headers=headers
                 )
         except Exception as error:
             error_message = f"Request was failed with error: {error}."
diff --git a/whatsapp_api_client_python/tools/serviceMethods.py b/whatsapp_api_client_python/tools/serviceMethods.py
index 1ceab7f..06834ad 100644
--- a/whatsapp_api_client_python/tools/serviceMethods.py
+++ b/whatsapp_api_client_python/tools/serviceMethods.py
@@ -94,6 +94,23 @@ def deleteMessage(self, chatId: str, idMessage: str) -> Response:
             ), request_body
         )
 
+    def editMessage(self, chatId: str, idMessage: str, message: str) -> Response:
+        """
+        The method edits a message in chat.
+
+        https://green-api.com/en/docs/api/service/editMessage/
+        """
+
+        request_body = locals()
+        request_body.pop("self")
+
+        return self.api.request(
+            "POST", (
+                "{{host}}/waInstance{{idInstance}}/"
+                "editMessage/{{apiTokenInstance}}"
+            ), request_body
+        )
+
     def archiveChat(self, chatId: str) -> Response:
         """
         The method archives a chat.