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I’m facing an issue with integrating ManyChat and n8n. The guys set it up, but I’m struggling to connect it and figure out what’s going wrong. In test mode, everything works fine, but when using a real WhatsApp or Instagram trigger, the external request to n8n doesn’t seem to execute properly. One of the text blocks doesn’t even trigger.

Here’s the URL to the ManyChat flow for reference:
https://app.manychat.com/flowPlayerPage?share_hash=2042728_c7da6b17eb0be82bfe4f06d3b56eaddd996b0be3

I’ve attached screenshots of the ManyChat automation and n8n webhook setup for more context. Could someone please help me troubleshoot this? I’ve checked the API key, logs, and delays, but I’m still stuck. Any suggestions would be greatly appreciated!
 

 

Hey, ​@mirazaki!

 

From your screenshots, seems like n8n is receiving the request and responding it back… so, no major issue here.

 

What you need to check is:

  • If the response mapping at your External Request is set up right.
  • The need of a Smart Delay (10/15 seconds) to be sure that the flow will have time to get the response from n8n.
    I suppose that the response from n8n is stored in the "lastReply” field. If no delay is included, the flow will continue without waiting for the response and its value will still be 0 and won't continue through the right path.

 

This is what I can suggest with the information you gave.

Hope it helps. 🙌

​@mirazaki also take a look at this block:

 

You never replaced your n8n webhook URL here. So there’s no chance this will work properly with this setup.

​@mirazaki Always check Settings > Logs in Manychat when working with integrations. You’ll be able to pick up many issues that show up there.

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