Send chatMessage in a channel or a chat

Namespace: microsoft.graph

Important

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.

Send a new chatMessage in the specified channel or a chat.

Note

  • We don't recommend that you use this API for data migration. It does not have the throughput necessary for a typical migration.
  • It is a violation of the terms of use to use Microsoft Teams as a log file. Only send messages that people will read.

This API is available in the following national cloud deployments.

Global service US Government L4 US Government L5 (DOD) China operated by 21Vianet
βœ… βœ… βœ… βœ…

Permissions

Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permissions for channel

Permission type Least privileged permissions Higher privileged permissions
Delegated (work or school account) ChannelMessage.Send Group.ReadWrite.All
Delegated (personal Microsoft account) Not supported. Not supported.
Application Teamwork.Migrate.All Not available.

Note

  • The Group.ReadWrite.All permission is supported only for backward compatibility. We recommend that you update your solutions to use an alternative permission listed in the previous table and avoid using these permissions going forward.
  • Application permissions are only supported for migration. In the future, Microsoft may require you or your customers to pay additional fees based on the amount of data imported.

Permissions for chat

Permission type Least privileged permissions Higher privileged permissions
Delegated (work or school account) ChannelMessage.Send Group.ReadWrite.All
Delegated (personal Microsoft account) Not supported. Not supported.
Application Teamwork.Migrate.All Not available.

HTTP request

Sending message in a channel

POST /teams/{team-id}/channels/{channel-id}/messages

Sending replies in a channel

POST /teams/{team-id}/channels/{channel-id}/messages/{message-id}/replies

Sending message in a chat

POST /chats/{chat-id}/messages

Request headers

Name Description
Authorization Bearer {code}. Required.
Content-type application/json. Required.

Request body

In the request body, supply a JSON representation of a chatMessage object. Only the body property is mandatory; other properties are optional.

Response

If successful, this method returns a 201 Created response code and a new chatMessage object in the response body.

Examples

In the following examples, the URL can use the HTTP syntax described to send a message to a chat, send a message to a channel, or send reply to a channel.

Example 1: Send a Hello World message in a channel

Request

The following example shows a request.

POST https://graph.microsoft.com/beta/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages
Content-type: application/json

{
  "body": {
    "content": "Hello World"
  }
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#teams('fbe2bf47-16c8-47cf-b4a5-4b9b187c508b')/channels('19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2')/messages/$entity",
    "id": "1616990032035",
    "replyToId": null,
    "etag": "1616990032035",
    "messageType": "message",
    "createdDateTime": "2021-03-29T03:53:52.035Z",
    "lastModifiedDateTime": "2021-03-29T03:53:52.035Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2/1616990032035?groupId=fbe2bf47-16c8-47cf-b4a5-4b9b187c508b&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1616990032035&parentMessageId=1616990032035",
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "8ea0e38b-efb3-4757-924a-5f94061cf8c2",
            "displayName": "Robin Kline",
            "userIdentityType": "aadUser",
            "tenantId": "e61ef81e-8bd8-476a-92e8-4a62f8426fca"
        }
    },
    "body": {
        "contentType": "text",
        "content": "Hello World"
    },
    "channelIdentity": {
        "teamId": "fbe2bf47-16c8-47cf-b4a5-4b9b187c508b",
        "channelId": "19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2"
    },
    "onBehalfOf": null,
    "attachments": [],
    "mentions": [],
    "reactions": [],
    "messageHistory": []
}

Example 2: @mentions a user in a channel message

Request

The following example shows a request.

POST https://graph.microsoft.com/beta/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages
Content-type: application/json

{
  "body": {
    "contentType": "html",
    "content": "Hello World <at id=\"0\">Jane Smith</at>"
  },
  "mentions": [
    {
      "id": 0,
      "mentionText": "Jane Smith",
      "mentioned": {
        "user": {
          "displayName": "Jane Smith",
          "id": "ef1c916a-3135-4417-ba27-8eb7bd084193",
          "userIdentityType": "aadUser"
        }
      }
    }
  ]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#teams('fbe2bf47-16c8-47cf-b4a5-4b9b187c508b')/channels('19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2')/messages/$entity",
    "id": "1616965872395",
    "replyToId": null,
    "etag": "1616965872395",
    "messageType": "message",
    "createdDateTime": "2021-03-28T21:11:12.395Z",
    "lastModifiedDateTime": "2021-03-28T21:11:12.395Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2/1616965872395?groupId=fbe2bf47-16c8-47cf-b4a5-4b9b187c508b&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1616965872395&parentMessageId=1616965872395",
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "8ea0e38b-efb3-4757-924a-5f94061cf8c2",
            "displayName": "Robin Kline",
            "userIdentityType": "aadUser",
            "tenantId": "e61ef81e-8bd8-476a-92e8-4a62f8426fca"
        }
    },
    "body": {
        "contentType": "html",
        "content": "Hello World <at id=\"0\">Jane Smith</at>"
    },
    "channelIdentity": {
        "teamId": "fbe2bf47-16c8-47cf-b4a5-4b9b187c508b",
        "channelId": "19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2"
    },
    "attachments": [],
    "mentions": [
        {
            "id": 0,
            "mentionText": "Jane Smith",
            "mentioned": {
                "application": null,
                "device": null,
                "conversation": null,
                "user": {
                    "@odata.type": "#microsoft.graph.teamworkUserIdentity",
                    "id": "ef1c916a-3135-4417-ba27-8eb7bd084193",
                    "displayName": "Jane Smith",
                    "userIdentityType": "aadUser"
                }
            }
        }
    ],
    "reactions": [],
    "messageHistory": []
}

Example 3: Send message that contains cards

Request

The following example shows a request.

Note: The attachment ID must be unique and can be a new randomly generated GUID. However, the attachment ID must be the same in the body and attachments elements.

POST https://graph.microsoft.com/beta/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages
Content-type: application/json

{
    "subject": null,
    "body": {
        "contentType": "html",
        "content": "<attachment id=\"74d20c7f34aa4a7fb74e2b30004247c5\"></attachment>"
    },
    "attachments": [
        {
            "id": "74d20c7f34aa4a7fb74e2b30004247c5",
            "contentType": "application/vnd.microsoft.card.thumbnail",
            "contentUrl": null,
            "content": "{\r\n  \"title\": \"This is an example of posting a card\",\r\n  \"subtitle\": \"<h3>This is the subtitle</h3>\",\r\n  \"text\": \"Here is some body text. <br>\\r\\nAnd a <a href=\\\"http://microsoft.com/\\\">hyperlink</a>. <br>\\r\\nAnd below that is some buttons:\",\r\n  \"buttons\": [\r\n    {\r\n      \"type\": \"messageBack\",\r\n      \"title\": \"Login to FakeBot\",\r\n      \"text\": \"login\",\r\n      \"displayText\": \"login\",\r\n      \"value\": \"login\"\r\n    }\r\n  ]\r\n}",
            "name": null,
            "thumbnailUrl": null
        }
    ]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#teams('fbe2bf47-16c8-47cf-b4a5-4b9b187c508b')/channels('19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2')/messages/$entity",
    "id": "1616991851162",
    "replyToId": null,
    "etag": "1616991851162",
    "messageType": "message",
    "createdDateTime": "2021-03-29T04:24:11.162Z",
    "lastModifiedDateTime": "2021-03-29T04:24:11.162Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2/1616991851162?groupId=fbe2bf47-16c8-47cf-b4a5-4b9b187c508b&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1616991851162&parentMessageId=1616991851162",
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "8ea0e38b-efb3-4757-924a-5f94061cf8c2",
            "displayName": "Robin Kline",
            "userIdentityType": "aadUser",
            "tenantId": "e61ef81e-8bd8-476a-92e8-4a62f8426fca"
        }
    },
    "body": {
        "contentType": "html",
        "content": "<attachment id=\"74d20c7f34aa4a7fb74e2b30004247c5\"></attachment>"
    },
    "channelIdentity": {
        "teamId": "fbe2bf47-16c8-47cf-b4a5-4b9b187c508b",
        "channelId": "19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2"
    },
    "attachments": [
        {
            "id": "74d20c7f34aa4a7fb74e2b30004247c5",
            "contentType": "application/vnd.microsoft.card.thumbnail",
            "contentUrl": null,
            "content": "{  \"title\": \"This is an example of posting a card\",  \"subtitle\": \"<h3>This is the subtitle</h3>\",  \"text\": \"Here is some body text. <br>\\\\And a <a href=\\\"http://microsoft.com/\\\">hyperlink</a>. <br>\\\\And below that is some buttons:\",  \"buttons\": [    {      \"type\": \"messageBack\",      \"title\": \"Login to FakeBot\",      \"text\": \"login\",      \"displayText\": \"login\",      \"value\": \"login\"    }  ]}",
            "name": null,
            "thumbnailUrl": null
        }
    ],
    "onBehalfOf": null,
    "mentions": [],
    "reactions": [],
    "messageHistory": []
}

Example 4: Send a message with a file attachment in it

Request

The following example shows a request.

Notes:

  • The file to attach must already be in SharePoint. To access the file properties, GET the driveItem for the file. The eTag of the driveItem has a GUID that is your attachment ID. The webDavUrl of the driveItem is your attachment contentURL. You can use the name of the driveItem as your attachment name. You can use /drives/{drive-id}/items/{item-id} to get a drive item resource. To get webDavUrl, you have to explicitly select it via $select=webDavUrl or $select=*,webDavUrl.
  • Microsoft Graph supports the OpenUrl card action. Bots are required for other card actions.
POST https://graph.microsoft.com/beta/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages
Content-type: application/json

{
    "body": {
        "contentType": "html",
        "content": "Here's the latest budget. <attachment id=\"153fa47d-18c9-4179-be08-9879815a9f90\"></attachment>"
    },
    "attachments": [
        {
            "id": "153fa47d-18c9-4179-be08-9879815a9f90",
            "contentType": "reference",
            "contentUrl": "https://m365x987948.sharepoint.com/sites/test/Shared%20Documents/General/test%20doc.docx",
            "name": "Budget.docx"
        }
    ]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#teams('fbe2bf47-16c8-47cf-b4a5-4b9b187c508b')/channels('19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2')/messages/$entity",
    "id": "1616991899452",
    "replyToId": null,
    "etag": "1616991899452",
    "messageType": "message",
    "createdDateTime": "2021-03-29T04:24:59.452Z",
    "lastModifiedDateTime": "2021-03-29T04:24:59.452Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2/1616991899452?groupId=fbe2bf47-16c8-47cf-b4a5-4b9b187c508b&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1616991899452&parentMessageId=1616991899452",
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "8ea0e38b-efb3-4757-924a-5f94061cf8c2",
            "displayName": "Robin Kline",
            "userIdentityType": "aadUser",
            "tenantId": "e61ef81e-8bd8-476a-92e8-4a62f8426fca"
        }
    },
    "body": {
        "contentType": "html",
        "content": "Here's the latest budget. <attachment id=\"153fa47d-18c9-4179-be08-9879815a9f90\"></attachment>"
    },
    "channelIdentity": {
        "teamId": "fbe2bf47-16c8-47cf-b4a5-4b9b187c508b",
        "channelId": "19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2"
    },
    "attachments": [
        {
            "id": "153fa47d-18c9-4179-be08-9879815a9f90",
            "contentType": "reference",
            "contentUrl": "https://m365x987948.sharepoint.com/sites/test/Shared%20Documents/General/test%20doc.docx",
            "content": null,
            "name": "Budget.docx",
            "thumbnailUrl": null
        }
    ],
    "onBehalfOf": null,
    "mentions": [],
    "reactions": [],
    "messageHistory": []
}

Request

The following example shows a request

Notes:

  • The file to attach must already be in SharePoint. Use any GUID for your attachment ID. Use the file share link as contentURL. User must have permissions to drive item using the file share link.
  • Using file share link for sending messages is not supported in migration scenario.
POST https://graph.microsoft.com/v1.0/teams/1e769eab-06a8-4b2e-ac42-1f040a4e52a1/channels/19:e28d1f9b354f4de88d2e9e4d8b983763@thread.tacv2/messages
Content-type: application/json

{
    "body": {
        "contentType": "html",
        "content": "Testing with file share link. <attachment id=\"668f7fa8-8129-4de7-b32b-fe1b442e6ef1\"></attachment>"
    },
    "attachments": [
        {
            "id": "668f7fa8-8129-4de7-b32b-fe1b442e6ef1",
            "contentType": "reference",
            "contentUrl": "https://teamsgraph-my.sharepoint.com/:w:/g/personal/test_teamsgraph_onmicrosoft_com/Eah_j2YpgedNsyv-G0QubvEBma6Sd_76UtYkXwoJ-nYVEg?e=0H2Ibm"
        }
    ]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#teams('1e769eab-06a8-4b2e-ac42-1f040a4e52a1')/channels('19%3Ae28d1f9b354f4de88d2e9e4d8b983763%40thread.tacv2')/messages/$entity",
    "id": "1709663385319",
    "replyToId": null,
    "etag": "1709663385319",
    "messageType": "message",
    "createdDateTime": "2024-03-05T18:29:45.319Z",
    "lastModifiedDateTime": "2024-03-05T18:29:45.319Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3Ae28d1f9b354f4de88d2e9e4d8b983763%40thread.tacv2/1709663385319?groupId=1e769eab-06a8-4b2e-ac42-1f040a4e52a1&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1709663385319&parentMessageId=1709663385319",
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "28c10244-4bad-4fda-993c-f332faef94f0",
            "displayName": "Test User",
            "userIdentityType": "aadUser"
        }
    },
    "body": {
        "contentType": "html",
        "content": "Testing with file share link. <attachment id=\"668f7fa8-8129-4de7-b32b-fe1b442e6ef1\"></attachment>"
    },
    "channelIdentity": {
        "teamId": "1e769eab-06a8-4b2e-ac42-1f040a4e52a1",
        "channelId": "19:e28d1f9b354f4de88d2e9e4d8b983763@thread.tacv2"
    },
    "attachments": [
        {
            "id": "668f7fa8-8129-4de7-b32b-fe1b442e6ef1",
            "contentType": "reference",
            "contentUrl": "https://teamsgraph-my.sharepoint.com/personal/test_teamsgraph_onmicrosoft_com/Documents/Personal%20Drive%20file%201.docx",
            "content": null,
            "name": "Personal Drive file 1.docx",
            "thumbnailUrl": null,
            "teamsAppId": null
        }
    ],
    "mentions": [],
    "reactions": []
}

Example 6: Send inline images along with the message

Request

The following example shows a request.

Note: The temporaryId in the hostedContents collection is a random ID, but must be same across the body and hostedContents elements. (Notice the temporaryId set to 1 and the reference in body as ../hostedContents/1/$value.).

contentBytes must be set to binary string Base64-encoded bytes. You can convert an item to binary Base64-encoded bytes in C# by using Convert.ToBase64String(File.ReadAllBytes("image.png"));, for example.

POST https://graph.microsoft.com/beta/chats/19:2da4c29f6d7041eca70b638b43d45437@thread.v2/messages
Content-type: application/json

{
	"body": {
        "contentType": "html",
        "content": "<div><div>\n<div><span><img height=\"297\" src=\"../hostedContents/1/$value\" width=\"297\" style=\"vertical-align:bottom; width:297px; height:297px\"></span>\n\n</div>\n\n\n</div>\n</div>"
    },
    "hostedContents":[
        {
          "@microsoft.graph.temporaryId": "1",
          "contentBytes": 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",
            "contentType": "image/png"
        }
    ]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#chats('19%3A2da4c29f6d7041eca70b638b43d45437%40thread.v2')/messages/$entity",
    "id": "1616991962672",
    "replyToId": null,
    "etag": "1616991962672",
    "messageType": "message",
    "createdDateTime": "2021-03-29T04:26:02.672Z",
    "lastModifiedDateTime": "2021-03-29T04:26:02.672Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": "19:2da4c29f6d7041eca70b638b43d45437@thread.v2",
    "importance": "normal",
    "locale": "en-us",
    "webUrl": null,
    "channelIdentity": null,
    "onBehalfOf": null,
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "8ea0e38b-efb3-4757-924a-5f94061cf8c2",
            "displayName": "Robin Kline",
            "userIdentityType": "aadUser",
            "tenantId": "e61ef81e-8bd8-476a-92e8-4a62f8426fca"
        }
    },
    "body": {
        "contentType": "html",
        "content": "<div><div><div><span><img height=\"297\" src=\"https://graph.microsoft.com/beta/chats/19:2da4c29f6d7041eca70b638b43d45437@thread.v2/messages/1616991962672/hostedContents/aWQ9eF8wLXd1cy1kNy1kZTczYzM0YTYzZGVkYjViMDVlNjYyY2Y1NzQ5MGU5Yyx0eXBlPTEsdXJsPWh0dHBzOi8vdXMtYXBpLmFzbS5za3lwZS5jb20vdjEvb2JqZWN0cy8wLXd1cy1kNy1kZTczYzM0YTYzZGVkYjViMDVlNjYyY2Y1NzQ5MGU5Yy92aWV3cy9pbWdv/$value\" width=\"297\" style=\"vertical-align:bottom; width:297px; height:297px\"></span></div></div></div>"
    },
    "attachments": [],
    "mentions": [],
    "reactions": [],
    "messageHistory": []
}

Example 7: Send a card with inline images

Request

The following example shows a request.

Notes:

  • The temporaryId in the hostedContents collection is a random ID, but must be same across the content (in attachments) and hostedContents elements. (Notice the temporaryId set to 1 and the reference in content as ../hostedContents/1/$value.).
  • The maximum possible size of hosted content is 4 MB.

contentBytes must be set to binary string Base64-encoded bytes. You can convert an item to binary Base64-encoded bytes in C# by using Convert.ToBase64String(File.ReadAllBytes("image.png"));, for example.

POST https://graph.microsoft.com/beta/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages
Content-type: application/json

{
    "subject": null,
    "body": {
        "contentType": "html",
        "content": "<attachment id=\"74d20c7f34aa4a7fb74e2b30004247c5\"></attachment>"
    },
    "attachments": [{
        "id": "74d20c7f34aa4a7fb74e2b30004247c5",
        "contentType": "application/vnd.microsoft.card.adaptive",
        "contentUrl": null,
        "content": "{\r\n  \"$schema\": \"http://adaptivecards.io/schemas/adaptive-card.json\",\r\n  \"type\": \"AdaptiveCard\",\r\n  \"version\": \"1.2\",\r\n  \"speak\": \"The Seattle Seahawks beat the Carolina Panthers 40-7\",\r\n  \"body\": [\r\n    {\r\n      \"type\": \"Container\",\r\n      \"items\": [\r\n        {\r\n          \"type\": \"ColumnSet\",\r\n          \"columns\": [\r\n            {\r\n              \"type\": \"Column\",\r\n              \"width\": \"auto\",\r\n              \"items\": [\r\n                {\r\n                  \"type\": \"Image\",\r\n                  \"url\": \"../hostedContents/1/$value\",\r\n                  \"size\": \"Medium\"\r\n                },\r\n                {\r\n                  \"type\": \"TextBlock\",\r\n                  \"text\": \"SHADES\",\r\n                  \"horizontalAlignment\": \"Center\",\r\n                  \"weight\": \"Bolder\"\r\n                }\r\n              ]\r\n            },\r\n            {\r\n              \"type\": \"Column\",\r\n              \"width\": \"stretch\",\r\n              \"separator\": true,\r\n              \"spacing\": \"Medium\",\r\n              \"items\": [\r\n                {\r\n                  \"type\": \"TextBlock\",\r\n                  \"text\": \"2019-08-31T19:30:00Z\",\r\n                  \"horizontalAlignment\": \"Center\"\r\n                },\r\n                {\r\n                  \"type\": \"TextBlock\",\r\n                  \"text\": \"Final\",\r\n                  \"spacing\": \"None\",\r\n                  \"horizontalAlignment\": \"Center\"\r\n                },\r\n                {\r\n                  \"type\": \"TextBlock\",\r\n                  \"text\": \"40 - 7\",\r\n                  \"size\": \"ExtraLarge\",\r\n                  \"horizontalAlignment\": \"Center\"\r\n                }\r\n              ]\r\n            },\r\n            {\r\n              \"type\": \"Column\",\r\n              \"width\": \"auto\",\r\n              \"separator\": true,\r\n              \"spacing\": \"Medium\",\r\n              \"items\": [\r\n                {\r\n                  \"type\": \"Image\",\r\n                  \"url\": \"../hostedContents/2/$value\",\r\n                  \"size\": \"Medium\",\r\n                  \"horizontalAlignment\": \"Center\"\r\n                },\r\n                {\r\n                  \"type\": \"TextBlock\",\r\n                  \"text\": \"SKINS\",\r\n                  \"horizontalAlignment\": \"Center\",\r\n                  \"weight\": \"Bolder\"\r\n                }\r\n              ]\r\n            }\r\n          ]\r\n        }\r\n      ]\r\n    }\r\n  ]\r\n}",
        "name": null,
        "thumbnailUrl": null
    }],
    "hostedContents": [{
        "@microsoft.graph.temporaryId": "1",
        "contentBytes": 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",
        "contentType": "image/png"
    }]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#teams('fbe2bf47-16c8-47cf-b4a5-4b9b187c508b')/channels('19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2')/messages/$entity",
    "id": "1616992043931",
    "replyToId": null,
    "etag": "1616992043931",
    "messageType": "message",
    "createdDateTime": "2021-03-29T04:27:23.931Z",
    "lastModifiedDateTime": "2021-03-29T04:27:23.931Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2/1616992043931?groupId=fbe2bf47-16c8-47cf-b4a5-4b9b187c508b&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1616992043931&parentMessageId=1616992043931",
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "8ea0e38b-efb3-4757-924a-5f94061cf8c2",
            "displayName": "Robin Kline",
            "userIdentityType": "aadUser",
            "tenantId": "e61ef81e-8bd8-476a-92e8-4a62f8426fca"
        }
    },
    "body": {
        "contentType": "html",
        "content": "<attachment id=\"74d20c7f34aa4a7fb74e2b30004247c5\"></attachment>"
    },
    "channelIdentity": {
        "teamId": "fbe2bf47-16c8-47cf-b4a5-4b9b187c508b",
        "channelId": "19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2"
    },
    "attachments": [
        {
            "id": "74d20c7f34aa4a7fb74e2b30004247c5",
            "contentType": "application/vnd.microsoft.card.adaptive",
            "contentUrl": null,
            "content": "{  \"type\": \"AdaptiveCard\",  \"body\": [    {      \"items\": [        {          \"columns\": [            {              \"width\": \"auto\",              \"items\": [                {                  \"size\": \"medium\",                  \"url\": \"https://graph.microsoft.com/beta/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages/1616992043931/hostedContents/aWQ9LHR5cGU9MSx1cmw9aHR0cHM6Ly91cy1hcGkuYXNtLnNreXBlLmNvbS92MS9vYmplY3RzLzAtd3VzLWQyLWEyNDc1OWVjOGZiZDRmOWFjYTkxN2M5N2EyOGNlNTQ1L3ZpZXdzL2ltZ28=/$value\",                  \"height\": \"auto\",                  \"type\": \"Image\"                },                {                  \"horizontalAlignment\": \"center\",                  \"text\": \"SHADES\",                  \"weight\": \"bolder\",                  \"type\": \"TextBlock\"                }              ],              \"type\": \"Column\"            },            {              \"width\": \"stretch\",              \"items\": [                {                  \"horizontalAlignment\": \"center\",                  \"text\": \"08/31/2019 19:30:00\",                  \"type\": \"TextBlock\"                },                {                  \"horizontalAlignment\": \"center\",                  \"text\": \"Final\",                  \"spacing\": \"None\",                  \"type\": \"TextBlock\"                },                {                  \"horizontalAlignment\": \"center\",                  \"size\": \"extraLarge\",                  \"text\": \"40 - 7\",                  \"type\": \"TextBlock\"                }              ],              \"spacing\": \"Medium\",              \"separator\": true,              \"type\": \"Column\"            },            {              \"width\": \"auto\",              \"items\": [                {                  \"horizontalAlignment\": \"center\",                  \"size\": \"medium\",                  \"url\": \"https://graph.microsoft.com/beta/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages/1616992043931/hostedContents/aWQ9LHR5cGU9MSx1cmw9aHR0cHM6Ly91cy1hcGkuYXNtLnNreXBlLmNvbS92MS9vYmplY3RzLzAtd3VzLWQ1LTg1ZmNmMDQyNDc3MDJjNjkxODdiOTMwZjcwNTY3OTFhL3ZpZXdzL2ltZ28=/$value\",                  \"height\": \"auto\",                  \"type\": \"Image\"                },                {                  \"horizontalAlignment\": \"center\",                  \"text\": \"SKINS\",                  \"weight\": \"bolder\",                  \"type\": \"TextBlock\"                }              ],              \"spacing\": \"Medium\",              \"separator\": true,              \"type\": \"Column\"            }          ],          \"type\": \"ColumnSet\"        }      ],      \"type\": \"Container\"    }  ],  \"speak\": \"The Seattle Seahawks beat the Carolina Panthers 40-7\",  \"$schema\": \"http://adaptivecards.io/schemas/adaptive-card.json\",  \"version\": \"1.2\"}",
            "name": null,
            "thumbnailUrl": null
        }
    ],
    "onBehalfOf": null,
    "mentions": [],
    "reactions": [],
    "messageHistory": []
}

Example 8: @mention a channel in a channel message

Request

The following example shows a request. For information about how to get a list of channels in a team, see List channels.

Note: conversationIdentityType must be set to channel to @mention a channel.

POST https://graph.microsoft.com/beta/teams/68a3e365-f7d9-4a56-b499-24332a9cc572/channels/19:0b50940236084d258c97b21bd01917b0@thread.skype/messages
Content-type: application/json

{
    "body": {
        "contentType": "html",
        "content": "<div><div><at id=\"0\">General</at>&nbsp;Hello there!</div></div>"
    },
    "mentions": [
        {
            "id": 0,
            "mentionText": "General",
            "mentioned": {
                "conversation": {
                    "id": "19:0b50940236084d258c97b21bd01917b0@thread.skype",
                    "displayName": "General",
                    "conversationIdentityType": "channel"
                }
            }
        }
    ]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#teams('68a3e365-f7d9-4a56-b499-24332a9cc572')/channels('19%3A0b50940236084d258c97b21bd01917b0%40thread.skype')/messages/$entity",
    "id": "1625727486746",
    "replyToId": null,
    "etag": "1625727486746",
    "messageType": "message",
    "createdDateTime": "2021-07-08T06:58:06.746Z",
    "lastModifiedDateTime": "2021-07-08T06:58:06.746Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3A0b50940236084d258c97b21bd01917b0%40thread.skype/1625727486746?groupId=68a3e365-f7d9-4a56-b499-24332a9cc572&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1625727486746&parentMessageId=1625727486746",
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "8ea0e38b-efb3-4757-924a-5f94061cf8c2",
            "displayName": "Robin Kline",
            "userIdentityType": "aadUser",
            "tenantId": "e61ef81e-8bd8-476a-92e8-4a62f8426fca"
        }
    },
    "body": {
        "contentType": "html",
        "content": "<div><div><at id=\"0\">General</at>&nbsp;Hello there!</div></div>"
    },
    "channelIdentity": {
        "teamId": "68a3e365-f7d9-4a56-b499-24332a9cc572",
        "channelId": "19:0b50940236084d258c97b21bd01917b0@thread.skype"
    },
    "attachments": [],
    "mentions": [
        {
            "id": 0,
            "mentionText": "General",
            "mentioned": {
                "application": null,
                "device": null,
                "user": null,
                "tag": null,
                "conversation": {
                    "id": "19:0b50940236084d258c97b21bd01917b0@thread.skype",
                    "displayName": "General",
                    "conversationIdentityType": "channel"
                }
            }
        }
    ],
    "reactions": [],
    "messageHistory": []
}

Example 9: @mention a team in a channel message

Request

The following example shows a request.

Note: conversationIdentityType must be set to team to @mention a team.

POST https://graph.microsoft.com/beta/teams/68a3e365-f7d9-4a56-b499-24332a9cc572/channels/19:0b50940236084d258c97b21bd01917b0@thread.skype/messages
Content-type: application/json

{
    "body": {
        "contentType": "html",
        "content": "<div><div><at id=\"0\">GraphTesting</at>&nbsp;Hello team</div></div>"
    },
    "mentions": [
        {
            "id": 0,
            "mentionText": "GraphTesting",
            "mentioned": {
                "conversation": {
                    "id": "68a3e365-f7d9-4a56-b499-24332a9cc572",
                    "displayName": "GraphTesting",
                    "conversationIdentityType": "team"
                }
            }
        }
    ],
    "reactions": [],
    "messageHistory": []
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#teams('68a3e365-f7d9-4a56-b499-24332a9cc572')/channels('19%3A0b50940236084d258c97b21bd01917b0%40thread.skype')/messages/$entity",
    "id": "1625727671938",
    "replyToId": null,
    "etag": "1625727671938",
    "messageType": "message",
    "createdDateTime": "2021-07-08T07:01:11.938Z",
    "lastModifiedDateTime": "2021-07-08T07:01:11.938Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3A0b50940236084d258c97b21bd01917b0%40thread.skype/1625727671938?groupId=68a3e365-f7d9-4a56-b499-24332a9cc572&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1625727671938&parentMessageId=1625727671938",
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "8ea0e38b-efb3-4757-924a-5f94061cf8c2",
            "displayName": "Robin Kline",
            "userIdentityType": "aadUser",
            "tenantId": "e61ef81e-8bd8-476a-92e8-4a62f8426fca"
        }
    },
    "body": {
        "contentType": "html",
        "content": "<div><div><at id=\"0\">GraphTesting</at>&nbsp;Hello team</div></div>"
    },
    "channelIdentity": {
        "teamId": "68a3e365-f7d9-4a56-b499-24332a9cc572",
        "channelId": "19:0b50940236084d258c97b21bd01917b0@thread.skype"
    },
    "attachments": [],
    "mentions": [
        {
            "id": 0,
            "mentionText": "GraphTesting",
            "mentioned": {
                "application": null,
                "device": null,
                "user": null,
                "tag": null,
                "conversation": {
                    "id": "68a3e365-f7d9-4a56-b499-24332a9cc572",
                    "displayName": "GraphTesting",
                    "conversationIdentityType": "team"
                }
            }
        }
    ],
    "reactions": [],
    "messageHistory": []
}

Example 10: @mention a tag in a channel message

Request

The following example shows a request. For information about how to get a list of tags in a team, see List teamworkTags.

POST https://graph.microsoft.com/beta/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages
Content-type: application/json

{
    "body": {
        "contentType": "html",
        "content": "<div><div><at id=\"0\">TestTag</at>&nbsp;Testing Tags</div></div>"
    },
    "mentions": [
        {
            "id": 0,
            "mentionText": "TestTag",
            "mentioned": {
                "tag": {
                    "id": "MjQzMmI1N2ItMGFiZC00M2RiLWFhN2ItMTZlYWRkMTE1ZDM0IyM2OGEzZTM2NS1mN2Q5LTRhNTYtYjQ5OS0yNDMzMmE5Y2M1NzIjI3RTMERJZ1Z1ZQ==",
                    "displayName": "TestTag"
                }
            }
        }
    ]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#teams('fbe2bf47-16c8-47cf-b4a5-4b9b187c508b')/channels('19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2')/messages/$entity",
    "id": "1625726986373",
    "replyToId": null,
    "etag": "1625726986373",
    "messageType": "message",
    "createdDateTime": "2021-07-08T06:49:46.373Z",
    "lastModifiedDateTime": "2021-07-08T06:49:46.373Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2/1625726986373?groupId=fbe2bf47-16c8-47cf-b4a5-4b9b187c508b&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1625726986373&parentMessageId=1625726986373",
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "8ea0e38b-efb3-4757-924a-5f94061cf8c2",
            "displayName": "Robin Kline",
            "userIdentityType": "aadUser",
            "tenantId": "e61ef81e-8bd8-476a-92e8-4a62f8426fca"
        }
    },
    "body": {
        "contentType": "html",
        "content": "<div><div><at id=\"0\">TestTag</at>&nbsp;Testing Tags</div></div>"
    },
    "channelIdentity": {
        "teamId": "fbe2bf47-16c8-47cf-b4a5-4b9b187c508b",
        "channelId": "19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2"
    },
    "attachments": [],
    "mentions": [
        {
            "id": 0,
            "mentionText": "TestTag",
            "mentioned": {
                "application": null,
                "device": null,
                "user": null,
                "conversation": null,
                "tag": {
                    "id": "MjQzMmI1N2ItMGFiZC00M2RiLWFhN2ItMTZlYWRkMTE1ZDM0IyM2OGEzZTM2NS1mN2Q5LTRhNTYtYjQ5OS0yNDMzMmE5Y2M1NzIjI3RTMERJZ1Z1ZQ==",
                    "displayName": "TestTag"
                }
            }
        }
    ],
    "reactions": [],
    "messageHistory": []
}

Example 11: Send message that contains cards that are attributed to a Teams app

Request

The following example shows a request.

Note: When specifying a Teams app to attribute a card to, the Microsoft Entra app ID used to make the call must match the Microsoft Entra app ID of the Teams app. The Microsoft Entra app ID of the Teams app can be specified in the webApplicationInfo section of the app's manifest. Refer to the following documentation on the current Teams app manifest schema.

Furthermore, the app specified in the payload must be installed either for the user sending the message or in the chat or channel in which the message is being sent.

POST https://graph.microsoft.com/beta/teams/fbe2bf47-16c8-47cf-b4a5-4b9b187c508b/channels/19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2/messages
Content-type: application/json

{
    "subject": null,
    "body": {
        "contentType": "html",
        "content": "<attachment id=\"74d20c7f34aa4a7fb74e2b30004247c5\"></attachment>"
    },
    "attachments": [
        {
            "id": "74d20c7f34aa4a7fb74e2b30004247c5",
            "contentType": "application/vnd.microsoft.card.thumbnail",
            "contentUrl": null,
            "content": "{\r\n  \"title\": \"This is an example of posting a card\",\r\n  \"subtitle\": \"<h3>This is the subtitle</h3>\",\r\n  \"text\": \"Here is some body text. <br>\\r\\nAnd a <a href=\\\"http://microsoft.com/\\\">hyperlink</a>. <br>\\r\\nAnd below that is some buttons:\",\r\n  \"buttons\": [\r\n    {\r\n      \"type\": \"messageBack\",\r\n      \"title\": \"Login to FakeBot\",\r\n      \"text\": \"login\",\r\n      \"displayText\": \"login\",\r\n      \"value\": \"login\"\r\n    }\r\n  ]\r\n}",
            "name": null,
            "thumbnailUrl": null,
            "teamsAppId": "881b8843-fd91-49e5-9ac2-47ec497ffbe5"
        }
    ]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#teams('fbe2bf47-16c8-47cf-b4a5-4b9b187c508b')/channels('19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2')/messages/$entity",
    "id": "1616991851162",
    "replyToId": null,
    "etag": "1616991851162",
    "messageType": "message",
    "createdDateTime": "2021-03-29T04:24:11.162Z",
    "lastModifiedDateTime": "2021-03-29T04:24:11.162Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3A4a95f7d8db4c4e7fae857bcebe0623e6%40thread.tacv2/1616991851162?groupId=fbe2bf47-16c8-47cf-b4a5-4b9b187c508b&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1616991851162&parentMessageId=1616991851162",
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "@odata.type": "#microsoft.graph.teamworkUserIdentity",
            "id": "8ea0e38b-efb3-4757-924a-5f94061cf8c2",
            "displayName": "Robin Kline",
            "userIdentityType": "aadUser",
            "tenantId": "e61ef81e-8bd8-476a-92e8-4a62f8426fca"
        }
    },
    "body": {
        "contentType": "html",
        "content": "<attachment id=\"74d20c7f34aa4a7fb74e2b30004247c5\"></attachment>"
    },
    "channelIdentity": {
        "teamId": "fbe2bf47-16c8-47cf-b4a5-4b9b187c508b",
        "channelId": "19:4a95f7d8db4c4e7fae857bcebe0623e6@thread.tacv2"
    },
    "attachments": [
        {
            "id": "74d20c7f34aa4a7fb74e2b30004247c5",
            "contentType": "application/vnd.microsoft.card.thumbnail",
            "contentUrl": null,
            "content": "{  \"title\": \"This is an example of posting a card\",  \"subtitle\": \"<h3>This is the subtitle</h3>\",  \"text\": \"Here is some body text. <br>\\\\And a <a href=\\\"http://microsoft.com/\\\">hyperlink</a>. <br>\\\\And below that is some buttons:\",  \"buttons\": [    {      \"type\": \"messageBack\",      \"title\": \"Login to FakeBot\",      \"text\": \"login\",      \"displayText\": \"login\",      \"value\": \"login\"    }  ]}",
            "name": null,
            "thumbnailUrl": null,
            "teamsAppId": "881b8843-fd91-49e5-9ac2-47ec497ffbe5"
        }
    ],
    "onBehalfOf": null,
    "mentions": [],
    "reactions": [],
    "messageHistory": []
}

Example 12: Send a message that contains an announcement

Request

The following example shows a request.

Note: The Base64-encoded value for the contentBytes property is shortened for readability.

POST https://graph.microsoft.com/beta/teams/5c884e2f-83f8-4cff-af8e-0177f260b9f8/channels/19:81f49626414645c99469ee65a1a7e1a4@thread.tacv2/messages
Content-type: application/json

{
    "subject": "Announcement Subheading",
    "body": {
        "contentType": "text",
        "content": "<attachment id=\"d7ddbf876ae340c3a03bada395ec7da7\"></attachment>Announcement text"
    },
    "attachments": [
        {
            "id": "d7ddbf876ae340c3a03bada395ec7da7",
            "contentType": "application/vnd.microsoft.teams.messaging-announcementBanner",
            "contentUrl": null,
            "content": "{\"title\":\"Announcement heading\",\"cardImageType\":\"uploadedImage\",\"cardImageDetails\":{\"uploadedImageDetail\":{\"originalImage\":{\"source\":\"../hostedContents/1/$value\",\"width\":1379,\"height\":268,\"croppedWidth\":918.0,\"croppedHeight\":178.4075416968818,\"leftMargin\":0.0,\"topMargin\":90.7962291515591,\"imageContentType\":\"image/png\"},\"croppedImage\":{\"source\":\"../hostedContents/2/$value\"}}}}",
            "name": null,
            "thumbnailUrl": null
        }
    ],
    "hostedContents": [
        {
            "@microsoft.graph.temporaryId": "1",
            "contentBytes": "iVBORw0KGgoAAAANSUhEUgAABWMAAAEMCAYAAAChuaTsAAAAAXNSR0IArs4c6QAAAARnQU1BA",
            "contentType": "image/png"
        },
        {
            "@microsoft.graph.temporaryId": "2",
            "contentBytes": "iVBORw0KGgoAAAANSUhEUgAAA5YAAAB4CAYAAACJrW0RAAAAAXNSR0IArs4c6QAAIABJREFUe",
            "contentType": "image/png"
        }
    ]
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#teams('5c884e2f-83f8-4cff-af8e-0177f260b9f8')/channels('19%3A81f49626414645c99469ee65a1a7e1a4%40thread.tacv2')/messages/$entity",
    "id": "1675104302171",
    "replyToId": null,
    "etag": "1675104302171",
    "messageType": "message",
    "createdDateTime": "2023-01-30T18:45:02.171Z",
    "lastModifiedDateTime": "2023-01-30T18:45:02.171Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": "Announcement Subheading",
    "summary": null,
    "chatId": null,
    "importance": "normal",
    "locale": "en-us",
    "webUrl": "https://teams.microsoft.com/l/message/19%3A81f49626414645c99469ee65a1a7e1a4%40thread.tacv2/1675104302171?groupId=5c884e2f-83f8-4cff-af8e-0177f260b9f8&tenantId=2432b57b-0abd-43db-aa7b-16eadd115d34&createdTime=1675104302171&parentMessageId=1675104302171",
    "onBehalfOf": null,
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "id": "28c10244-4bad-4fda-993c-f332faef94f0",
            "displayName": "Test user",
            "userIdentityType": "aadUser"
        }
    },
    "body": {
        "contentType": "text",
        "content": "<attachment id=\"d7ddbf876ae340c3a03bada395ec7da7\"></attachment>Announcement text"
    },
    "channelIdentity": {
        "teamId": "5c884e2f-83f8-4cff-af8e-0177f260b9f8",
        "channelId": "19:81f49626414645c99469ee65a1a7e1a4@thread.tacv2"
    },
    "attachments": [
        {
            "id": "d7ddbf876ae340c3a03bada395ec7da7",
            "contentType": "application/vnd.microsoft.teams.messaging-announcementBanner",
            "contentUrl": null,
            "content": "{\"title\":\"Announcement heading\",\"cardImageType\":\"uploadedImage\",\"cardImageDetails\":{\"uploadedImageDetail\":{\"originalImage\":{\"source\":\"https://graph.microsoft.com/beta/teams/5c884e2f-83f8-4cff-af8e-0177f260b9f8/channels/19:81f49626414645c99469ee65a1a7e1a4@thread.tacv2/messages/1675104302171/hostedContents/aWQ9LHR5cGU9MSx1cmw9aHR0cHM6Ly91cy1hcGkuYXNtLnNreXBlLmNvbS92MS9vYmplY3RzLzAtd3VzLWQyLTY3OTJlM2ExMzFmNzc4YjY5NWMwYTE5ZGRkZmIwYWNiL3ZpZXdzL2ltZ28=/$value\",\"width\":1379,\"height\":268,\"croppedWidth\":918.0,\"croppedHeight\":178.4075416968818,\"leftMargin\":0.0,\"topMargin\":90.7962291515591,\"imageContentType\":\"image/png\"},\"croppedImage\":{\"source\":\"https://graph.microsoft.com/beta/teams/5c884e2f-83f8-4cff-af8e-0177f260b9f8/channels/19:81f49626414645c99469ee65a1a7e1a4@thread.tacv2/messages/1675104302171/hostedContents/aWQ9LHR5cGU9MSx1cmw9aHR0cHM6Ly91cy1hcGkuYXNtLnNreXBlLmNvbS92MS9vYmplY3RzLzAtd3VzLWQzLTAwYjhhNWZiZTA0MGRmY2MzMWZkNzM1ZDE4Yjk4NTM5L3ZpZXdzL2ltZ28=/$value\"}}}}",
            "name": null,
            "thumbnailUrl": null,
            "teamsAppId": null
        }
    ],
    "mentions": [],
    "reactions": []
}

Example 13: Send a message with an emoji

Request

The following example shows a request.

POST https://graph.microsoft.com/beta/chats/19:7fb82b685f9c457296a0ab6a1d98b4c1@thread.v2/messages
Content-type: application/json

{
    "body": {
        "contentType": "html",
        "content": "<emoji alt=\"πŸ˜Άβ€πŸŒ«οΈ\"></emoji>"
    }
}

Response

The following example shows the response.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/beta/$metadata#chats('19%3A7fb82b685f9c457296a0ab6a1d98b4c1%40thread.v2')/messages/$entity",
    "id": "1675459162626",
    "replyToId": null,
    "etag": "1675459162626",
    "messageType": "message",
    "createdDateTime": "2023-02-03T21:19:22.626Z",
    "lastModifiedDateTime": "2023-02-03T21:19:22.626Z",
    "lastEditedDateTime": null,
    "deletedDateTime": null,
    "subject": null,
    "summary": null,
    "chatId": "19:7fb82b685f9c457296a0ab6a1d98b4c1@thread.v2",
    "importance": "normal",
    "locale": "en-us",
    "webUrl": null,
    "channelIdentity": null,
    "onBehalfOf": null,
    "policyViolation": null,
    "eventDetail": null,
    "from": {
        "application": null,
        "device": null,
        "user": {
            "id": "28c10244-4bad-4fda-993c-f332faef94f0",
            "displayName": "Test User",
            "userIdentityType": "aadUser"
        }
    },
    "body": {
        "contentType": "html",
        "content": "<emoji id=\"faceinclouds\" alt=\"πŸ˜Άβ€πŸŒ«οΈ\" title=\"Face in clouds\"></emoji>"
    },
    "attachments": [],
    "mentions": [],
    "reactions": []
}