400 error on Slack webhook from Auth0

Help
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1

I’m trying to setup a monitoring stream which posts to slack if login attempts are failing, etc. I’ve created the webhook in Slack, and the Slack-provided test POST requests successfully generate posts on Slack. However, Auth0 doesn’t seem to be able to post to Slack. The Health tab shows a 400 error with:
“message”: “Bad Request”,
“details”: “missing_text_or_fallback_or_attachments”

or

“details”: “invalid_payload”

I’ve tried setting the content format to JSON Array, JSON Lines, and JSON Object. I’m guessing none of these are the correct format for Slack- is there an easy way to get the data in the correct format to be digested by the Slack webhook?

2

It sucks that no one from Auth0 responded to this post since April 22.

3

Yeah, this is pretty surprising. I was expecting this to be “easy”, alerting ourselves about login issues via Slack, but I guess this is just another thing that we need to beg for on the roadmap?

4

I opened a support ticket about this myself. Auth0 support doesn’t even know what i’m talking about, unsurprisingly. This won’t be fixed as far as i can tell. From my perspective, the only option is to have the webhook post to your own endpoint where you properly format the payload and then pass along to Slack.

5

I have also faced this issue many times.

6

Hello,

For anyone coming to this topic later, please make sure to check the following Knowledge Solution as it should be helpful in solving the problem:

I hope this was helpful.

Thanks,
Tudor

8

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