# Webhook not triggering，Worked fine before

**URL:** <https://devforum.zoom.us/t/webhook-not-triggering-worked-fine-before/77386>\
**Category:** API and Webhooks\
**Created:** [October 14, 2022, 2:34am UTC](https://devforum.zoom.us/t/webhook-not-triggering-worked-fine-before/77386 "2022-10-14T02:34:44Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![lwj](https://avatars.discourse-cdn.com/v4/letter/l/ea5d25/32.png) [@lwj](https://devforum.zoom.us/u/lwj)\
**Post date:** [October 14, 2022, 2:34am UTC](https://devforum.zoom.us/t/webhook-not-triggering-worked-fine-before/77386/1 "2022-10-14T02:34:44Z")

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API Endpoint(s) and/or Zoom API Event(s)  
WebHook with 2 events: user.invitation\_accepted & user.created

Description  
I’ve created a “Webhook Only” app and setup a single event subscription subscribing to 4 events.  
“meeting.Start Meeting”,  
“meeting.End Meeting”,  
“meeting.Participant/Host joined meeting”,  
“meeting.Participant/Host left meeting”,

I’ve added the url for my endpoint the should receive the post request when these trigger.

It was working fine before, but recently there is a problem and cannot receive event notifications

Error?  
No error, nothing happens.

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**Author:** ![rarev](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/rarev/32/38939_2.png) [@rarev](https://devforum.zoom.us/u/rarev)\
**Post date:** [October 14, 2022, 4:32pm UTC](https://devforum.zoom.us/t/webhook-not-triggering-worked-fine-before/77386/2 "2022-10-14T16:32:08Z")

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Hi @lwj

Could you check the webhook URL end authorization checks. This usually happens when the webhook URL end is using incorrect authorization checks that were returning 401 errors to Zoom.

Thanks!

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**Author:** ![lwj](https://avatars.discourse-cdn.com/v4/letter/l/ea5d25/32.png) [@lwj](https://devforum.zoom.us/u/lwj)\
**Post date:** [October 17, 2022, 12:14am UTC](https://devforum.zoom.us/t/webhook-not-triggering-worked-fine-before/77386/3 "2022-10-17T00:14:34Z")

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Hi Ron

The accepted event url is [https://jcollab.com/serv/zoom/event](https://jcollab.com/serv/zoom/event) It has been confirmed that it can be accessed normally

The event could be received before, but there has been a problem recently. How has zoom changed in the past few days? Should I take any action?

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**Author:** ![lwj](https://avatars.discourse-cdn.com/v4/letter/l/ea5d25/32.png) [@lwj](https://devforum.zoom.us/u/lwj)\
**Post date:** [October 27, 2022, 8:03am UTC](https://devforum.zoom.us/t/webhook-not-triggering-worked-fine-before/77386/4 "2022-10-27T08:03:11Z")

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The problem has not been solved, can anyone help me?

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**Author:** ![elisa.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/elisa.zoom/32/47836_2.png) [@elisa.zoom](https://devforum.zoom.us/u/elisa.zoom)\
**Post date:** [November 3, 2022, 1:45pm UTC](https://devforum.zoom.us/t/webhook-not-triggering-worked-fine-before/77386/5 "2022-11-03T13:45:24Z")

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Hi @lwj  
Are you still experiencing this issue?  
Could you please confirm when did you stop receiving events and if you have changed anything in your app that could result on this?

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [November 7, 2023, 5:21am UTC](https://devforum.zoom.us/t/webhook-not-triggering-worked-fine-before/77386/6 "2023-11-07T05:21:35Z")

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Closed on November 7, 2023, 5:21am UTC

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