chats: getAllMessages

Namespace: microsoft.graph


APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported. To determine whether an API is available in v1.0, use the Version selector.

Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.

Note: This API has licensing and payment requirements. It supports both model=A and model=B query parameters. If no model is specified, evaluation mode will be used.


The following permissions are required to call this API. To learn more, including how to choose permissions, see Permissions.

Permission type Permissions (from least to most privileged)
Delegated (work or school account) Not supported
Delegated (personal Microsoft account) Not supported
Application Chat.Read.All, Chat.ReadWrite.All


Before calling this API with application permissions, you must request access. For details, see Protected APIs in Microsoft Teams.

HTTP request

GET /users/{id | user-principal-name}/chats/getAllMessages

Optional query parameters

You can use model query parameter, which supports the values A and B, based on the preferred licensing and payment model, as shown in the following examples.
If no model is specified, evaluation mode will be used.

GET /users/{id | user-principal-name}/chats/getAllMessages?model=A
GET /users/{id | user-principal-name}/chats/getAllMessages?model=B

This operation supports date range parameters to customize the response, as shown in the following example.

GET /users/{id}/chats/getAllMessages?$top=50&$filter=lastModifiedDateTime gt 2020-06-04T18:03:11.591Z and lastModifiedDateTime lt 2020-06-05T21:00:09.413Z

Request headers

Header Value
Authorization Bearer {token}. Required.


If successful, this method returns a 200 OK response code and a list of chatMessages in the response body.





Note: The response object shown here might be shortened for readability.

HTTP/1.1 200 OK
Content-type: application/json

         "eventDetail": null,
               "displayName":"Richard Wilson",
            "content":"<div>\n<blockquote itemscope=\"\" itemtype=\"\" itemid=\"1600457867820\">\n<strong itemprop=\"mri\" itemid=\"8:orgid:0de69e5e-2da8-4cf2-821f-5e6585b2c65b\">Richard Wilson</strong><span itemprop=\"time\" itemid=\"1600457867820\"></span>\n<p itemprop=\"preview\">1237</p>\n</blockquote>\n<p>this is a reply</p>\n</div>"