Cannot Add Webhook to Teams Channel

Question

It is not presently possible to add an Incoming Webhook connector to a Teams channel.

Client: Web or New Mac Client

Expected Result: Success

Actual Result: Blank Page and HTTP error 500 from underlying add webhook endpoint

Step 1:

Step 2:

End Result: Blank window after clicking 'Done'

The inspector reveals that the endpoint called to create the webhook is erroring with HTTP 500:

https://learn.microsoft.com/en-us/answers/questions/1818514/i-cannot-add-an-incoming-webhook-to-ms-teams-chann?page=5#answers indicates that this is an ongoing problem for many.

Any assistance / resolution you can render would be highly appreciated.

Answer 1

Whoops, just found out that it is no longer supported as of 15 August. It would be lovely were the UI not to simply respond with a blank window!