# Webhook and Invalid Certificate

**URL:** <https://devforum.zoom.us/t/webhook-and-invalid-certificate/82911>\
**Category:** API and Webhooks\
**Created:** [February 10, 2023, 5:19pm UTC](https://devforum.zoom.us/t/webhook-and-invalid-certificate/82911 "2023-02-10T17:19:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![nicola\_quaglia](https://avatars.discourse-cdn.com/v4/letter/n/3ab097/32.png) [@nicola\_quaglia](https://devforum.zoom.us/u/nicola_quaglia)\
**Post date:** [February 10, 2023, 5:19pm UTC](https://devforum.zoom.us/t/webhook-and-invalid-certificate/82911/1 "2023-02-10T17:19:05Z")

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Dear support,

We have migrated our web application that catches the webhook coming from Zoom.  
We keep getting the following error “sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target”

Our url is: [https://appapi.just.it/api/v1/meeting/webhook](https://appapi.just.it/api/v1/meeting/webhook)

What certificates do we need to install in our Windows Server 2022 machine.

Thanks

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**Author:** ![gianni.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/gianni.zoom/32/32523_2.png) [@gianni.zoom](https://devforum.zoom.us/u/gianni.zoom)\
**Post date:** [February 10, 2023, 6:36pm UTC](https://devforum.zoom.us/t/webhook-and-invalid-certificate/82911/2 "2023-02-10T18:36:00Z")

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Hi @nicola_quaglia ,

I am unfamiliar with this error/behavior. Have you updated your webhooks recently and [validated them](https://marketplace.zoom.us/docs/api-reference/webhook-reference/#validate-your-webhook-endpoint)?

Please also note the verification changes as well: [https://marketplace.zoom.us/docs/api-reference/webhook-reference/#verify-webhook-events](https://marketplace.zoom.us/docs/api-reference/webhook-reference/#verify-webhook-events)

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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:** [February 14, 2024, 10:12am UTC](https://devforum.zoom.us/t/webhook-and-invalid-certificate/82911/4 "2024-02-14T10:12:44Z")

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Closed on February 14, 2024, 10:12am UTC

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