Microsoft Teams channel webhook URL format validation - any consistent pattern/documentation?

Question

I'm building an app that allows the user to input a Teams channel webhook connector URL for notifications.

I want to be able to do some basic validation on the URL to maximize the chance that the user's input is valid.

From what I can see on the few M365 tenants I have access to, the webhook appears to be in the format of:

https://tenant-name.webhook.office.com/webhookb2/some-guid/IncomingWebhook/some-guid/some-guid

But I'm not sure if that'd be the case for all tenants, and I believe at some point Microsoft changed this format too, as I have seen this one before:

https://outlook.office.com/webhook/some-guid/IncomingWebhook/some-guid/some-guid

So I'd need to have all versions accounted for.

I can't seem to find any documentation on this. If by any chance someone has worked on this and can provide some info, it'd be greatly appreciated.

Dharman · Accepted Answer · 2022-05-04 20:28:50Z

0

We have verified it now in our tenant and the Webhook URL is similar to the one which you have shared first:

https://tenant-name.webhook.office.com/webhookb2/some-guid/IncomingWebhook/some-guid/some-guid

So you can use this format.

Reference link: https://learn.microsoft.com/en-us/microsoftteams/platform/webhooks-and-connectors/how-to/add-incoming-webhook

edited May 4, 2022 at 20:28

Dharman♦

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answered Sep 14, 2021 at 16:23

ChetanSharma-msft

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