# Webinar Attendance details

**URL:** <https://devforum.zoom.us/t/webinar-attendance-details/46582>\
**Category:** Web\
**Tags:** webinar\
**Created:** [March 25, 2021, 12:30pm UTC](https://devforum.zoom.us/t/webinar-attendance-details/46582 "2021-03-25T12:30:37Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![vasanth](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/vasanth/32/22215_2.png) [@vasanth](https://devforum.zoom.us/u/vasanth)\
**Post date:** [March 25, 2021, 12:30pm UTC](https://devforum.zoom.us/t/webinar-attendance-details/46582/1 "2021-03-25T12:30:37Z")

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I want to get the attendance of every participant who attended the webinar, such that based on my duration threshold, I will generate a certificate for that candidate. For that purpose i want to use this endpoint

> **[Get Webinar Participant Reports - Reports - Zoom API - API Reference](https://marketplace.zoom.us/docs/api-reference/zoom-api/reports/reportwebinarparticipants)**
>
> Get detailed report on each attendee of a webinar.
> Scopes: report:read:admin
> 
> Rate Limit Label: Heavy
> Prerequisites:
> 
> Pro or a higher plan with Webinar...

We are on a pro - plan. so, we are eligible to use this API  
**Error**  
The problem is like, I am unable to get the info immediately, I want to know after how much time after ending of webinar, I am able to retrieve this information. In our scenario both students and host are using the WEB SDK only, to join or host a webinar.

**Web SDK version 1.9.1**

Do I need to run any CRON job after the webinar ends. The main concern is like how I will come to know that my attendance report for a webinar is ready , is there any some sort of web-hook kind of a thing, Please guide me in the right direction.

Thanks,  
Vasanth

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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:** [March 26, 2021, 5:21pm UTC](https://devforum.zoom.us/t/webinar-attendance-details/46582/2 "2021-03-26T17:21:09Z")

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Hi @vasanth,

This API will need to be called after the webinar has ended. It can take a little bit of time for the report to be generated as well—you may want to wait a minute or two after the meeting until you call this endpoint.

If you need to know when a webinar ends, you can also leverage our Webhook:

> **[Webinar Ended - Webinar Events - Webhook Reference - API Reference](https://marketplace.zoom.us/docs/api-reference/webhook-reference/webinar-events/webinar-ended)**
>
> Webinar Ended
> 
> 
> 
> Zoom users with a Webinar Plan have permissions for creating and managing Webinars. Zoom Video Webinar allows users to broadcast a Zoom...

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:** [April 26, 2021, 3:21am UTC](https://devforum.zoom.us/t/webinar-attendance-details/46582/3 "2021-04-26T03:21:55Z")

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Closed on April 26, 2021, 3:21am UTC

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