# Using webinar API endpoint(s) without creating a marketplace application

**URL:** <https://devforum.zoom.us/t/using-webinar-api-endpoint-s-without-creating-a-marketplace-application/103644>\
**Category:** API and Webhooks\
**Created:** [February 12, 2024, 7:31am UTC](https://devforum.zoom.us/t/using-webinar-api-endpoint-s-without-creating-a-marketplace-application/103644 "2024-02-12T07:31:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![the\_mwolf](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/the_mwolf/32/56465_2.png) [@the\_mwolf](https://devforum.zoom.us/u/the_mwolf)\
**Post date:** [February 12, 2024, 7:31am UTC](https://devforum.zoom.us/t/using-webinar-api-endpoint-s-without-creating-a-marketplace-application/103644/1 "2024-02-12T07:31:34Z")

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Hi together,

I’ve built a custom Zoom integration for a customer of mine. It has already implemented OAuth and needs to use the webinar API to add registrants via API.

Creating, verifying, and publishing a whole app for the marketplace is not feasible, as the integration is custom-built.

How can I use the webinar API for my customer?

Thank you!

Best, Max

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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, 2025, 11:08pm UTC](https://devforum.zoom.us/t/using-webinar-api-endpoint-s-without-creating-a-marketplace-application/103644/2 "2025-02-14T23:08:15Z")

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