Unable to setup n8n webhook url in slack event subscriptions

Questions
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1

Describe the problem/error/question

I am trying to setup a slack trigger - I have setup the slack API on n8n and it is working as expected but the problem is when I want to setup the slack trigger and then I go to enable the event using the webhook url but it is not working - I tried solutions like making workflow active and using production URL but it’s not working. I don’t know whether the problem is with n8n node or the slack event.

What is the error message (if any)?

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Please share your workflow

Share the output returned by the last node

Information on your n8n setup

  • n8n version: [email protected]
  • Database (default: SQLite): default
  • n8n EXECUTIONS_PROCESS setting (default: own, main): default
  • Running n8n via (Docker, npm, n8n cloud, desktop app): cloud
  • Operating system: macos
2

Quick question. Did you activate the workflow first?

3

Yes, I did activate the workflow before checking and used production URL

4

Nate Herk explains this more clearly in this youtube video: https://youtu.be/qk5JH6ImK0I?si=aFkC41WaO2yec6Om&t=180

The instructions are actually a little inaccurate as it seems you need to trigger the node to start listening and then the test callback from Slack works.

Just followed the same steps and I’ve got it working.