I am trying to access microsoft graph api to send message to a channel in a team. I am using this endpoint https://graph.microsoft.com/beta/teams/{team_id}/channels/{channel_id}/messages. getting 403 forbidden error

Simran Panjwani 20

I am trying to access microsoft graph api to send message to a channel in a team. I am using this endpoint https://graph.microsoft.com/beta/teams/{team_id}/channels/{channel_id}/messages.

I have already granted all the API permissions in AAD. I have granted Teamwork.Migrate.All as a application permission in my AAD. User's image

however, i am getting this error

 "code": "Forbidden",
        "message": "Missing role permissions on the request. API requires one of 'Teamwork.Migrate.All'. Roles on the request ''.",

Meghana-MSFT 3,771 Reputation points Microsoft Vendor

2024-03-27T08:17:33.69+00:00

If you are trying to send a message to a channel in a team, you need to use delegated permission only. Application permissions are only supported for migration.
Simran Panjwani 20 Reputation points

2024-03-27T09:09:35.9833333+00:00

Teamwork.Migrate.All is only available on application permission. How to give delegated permission?

Accepted answer

CarlZhao-MSFT 36,976 Reputation points

2024-03-27T08:37:31.9433333+00:00

Hi @Simran Panjwani

Application permissions are only supported for migration. If you are not importing third-party messages into a team channel that is in a migrated state, do not use application permissions but instead use delegated permissions. Note that don't forget to grant administrator consent after granting permissions to the calling app.

Hope this helps.

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Simran Panjwani 20 Reputation points

2024-03-27T09:15:06.5233333+00:00

I have already given delegated permission for ChannelMessage.Send. For Teamwork.Migrate.All there is only application permission. Where exactly I need to give delegated permission?

Simran Panjwani 20 Reputation points

2024-03-27T09:27:22.5333333+00:00

Also i am using a personal microsoft account.

CarlZhao-MSFT 36,976 Reputation points

2024-03-27T09:39:26.99+00:00

Sending channel messages using personal accounts is not supported, this only applies to work accounts.

CarlZhao-MSFT 36,976 Reputation points

2024-03-27T09:45:50.8133333+00:00

ChannelMessage.Send delegated permission is enough, next you need to use auth code flow to request an access token.

Or log into Graph Explorer using your work account and call the endpoint directly.

CarlZhao-MSFT 36,976 Reputation points

2024-03-27T09:52:34.96+00:00

Additionally, you will need to ensure that your work account has a valid MS365 license.

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LiweiTian-MSFT 14,070 Reputation points Microsoft Vendor

2024-03-28T01:37:47.2833333+00:00

Hi @Simran Panjwani

If the reply is helpful to you, please try to mark it as an answer to help others who encounter the same issue and read this thread. Thank you for your understanding and patience!
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I am trying to access microsoft graph api to send message to a channel in a team. I am using this endpoint https://graph.microsoft.com/beta/teams/{team_id}/channels/{channel_id}/messages. getting 403 forbidden error

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