Problem with multiple Webhooks using One Callback URL

I’ve been trying to find a way to use the same callback URL for a Webhook for the “Stream Changed” topic.

If you use the same URL for multiple users you would get {“data”:[]} when any one of them goes off line, but you didn’t know which one it applies to.

I decided a good solution would be use a query string in my callback URL. Something like:

The systems accepts the callback URL and I get my json posts, but using PHP I can never read the query string. I’ve tried $_SERVER[‘QUERY_STRING’], $_GET and $_REQUEST.

Do you just have to use a different callback file for each of these subscriptions or am I doing something wrong in trying to make the above work?

Thank you.

Show your code.

You are doing what we all do with webhooks (use a query string in the callback)

Based on your answer, I reviewed and retested my code. I was overwriting the url creating the subscription, but trying to find the mistake in the callback file.

Thanks for your help. Appreciate it.

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