# Problem with "Update Webinar Registrant Status"

**URL:** <https://devforum.zoom.us/t/problem-with-update-webinar-registrant-status/32183>\
**Category:** API and Webhooks\
**Created:** [October 5, 2020, 10:31am UTC](https://devforum.zoom.us/t/problem-with-update-webinar-registrant-status/32183 "2020-10-05T10:31:05Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![soporte.ecope](https://avatars.discourse-cdn.com/v4/letter/s/9dc877/32.png) [@soporte.ecope](https://devforum.zoom.us/u/soporte.ecope)\
**Post date:** [October 5, 2020, 10:31am UTC](https://devforum.zoom.us/t/problem-with-update-webinar-registrant-status/32183/1 "2020-10-05T10:31:05Z")

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**Description**  
When I try to make a put request, it only asks for the webinar id. How can I update a single registration?  
When making the put request to see the result, it returns a 400 error and the code does not appear in the indicated list.

I am using Oauth.

 ![Screenshot_1](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/3/a/3a848bd9f3819b379436d3e3a9f26094d3e4daf5.png)

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**Author:** ![DeveloperBot](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/developerbot/32/12632_2.png) [@DeveloperBot](https://devforum.zoom.us/u/DeveloperBot)\
**Post date:** [October 5, 2020, 10:31am UTC](https://devforum.zoom.us/t/problem-with-update-webinar-registrant-status/32183/2 "2020-10-05T10:31:09Z")

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Hey @soporte.ecope

Thanks for posting on the Zoom Devforum! I am still learning, but I will try my best to help answer your question. 🙂

Checkout this related thread that may have the answer you are looking for:

> [@Add webinar registrant (with invalid webinar ID)](https://devforum.zoom.us/t/-/6284):
>
> Description/Error I’m seeing successful responses, HTTP status code 201 created, when calling the “add webinar registrant” endpoint with a non-existent webinar id. The documentation for responses, indicates we should receive HTTP status code 300 for an invalid webinar ID, or HTTP status code 404 not found (not sure which of these is right, but either of these would be better the current behaviour of a success result, and sending an email to registrant they have been added). Which Endpoint/s? …

If this thread did not help, please let us know by replying back here and someone from the Developer Relations team will get back to you shortly.

Thanks,  
DeveloperBot

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**Author:** ![soporte.ecope](https://avatars.discourse-cdn.com/v4/letter/s/9dc877/32.png) [@soporte.ecope](https://devforum.zoom.us/u/soporte.ecope)\
**Post date:** [October 7, 2020, 7:57am UTC](https://devforum.zoom.us/t/problem-with-update-webinar-registrant-status/32183/3 "2020-10-07T07:57:43Z")

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No, this information did not help me

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**Author:** ![will.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/will.zoom/32/14417_2.png) [@will.zoom](https://devforum.zoom.us/u/will.zoom)\
**Post date:** [October 7, 2020, 8:15pm UTC](https://devforum.zoom.us/t/problem-with-update-webinar-registrant-status/32183/4 "2020-10-07T20:15:28Z")

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Hey @soporte.ecope,

What are you passing for your request body? You will need to specify the action you’d like to take and the registrants to act on like this:  
 ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/8/9/8908191692db5516ae9e8b75c41817b27b816027.png)

Let me know if this helps!

Thanks,  
Will

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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:** [December 7, 2020, 12:26am UTC](https://devforum.zoom.us/t/problem-with-update-webinar-registrant-status/32183/6 "2020-12-07T00:26:28Z")

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