[image] How to set up callback url from facebook to n8n with verify token. unable to implement can anyone help

So from reading Getting Started - Webhooks (facebook.com) it looks like there are two different types of requests. Anytime you configure the Webhooks product in your App Dashboard, we’ll send a GET request to your endpoint URL. Verification requests include the following query string parameters, …

Hey @chandan988 , this doesn’t look like an n8n screen. Are you simply trying to set up a webhook in an external system like Facebook? If so, you would need to check the respective documentation for exact setup instructructions. On n8n side, you’d need a Webhook node, most likely configured to accep…

[image] MutedJam: RL on the other hand is active whenever your workflow First Screen was Facebook, We need to verify the token on n8n webhook and echo the custom output ( which which Facebook will send ), so unable to understand how to do this

Facebook says webhook to be in Get method so i used

[image] here we need to give output echo which i have marked with arrow

Yeah, sounds doable. You could use an expression like {{ $json.query["hub.challenge"] }} to read this value in the Set node from your other thread’s example workflow.

[image] MutedJam: {{ $json.query[“hub.challenge”] }} Set Node, but how to echo back the output ? which node to be used for that

[image] i tried this but doesnot work

From looking at your workflow it does look like n8n responded though. You wouldn’t need the respond to Webhook node when using the example workflow as the initial webhook node is already configured to respond with the last node’s data. Perhaps you can confirm which response format exactly you need?…

just respond to the echo hub. challenge value i tried but its not working

Callback url with token

Questions

MutedJam May 25, 2022, 7:33am 5

Ah, could well be. I just figured the most common method is POST, so wanted to be sure to mention it. A custom response can be implemented as described in your other topic:

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Callback url with token

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