# Duplicate particpants

**URL:** <https://devforum.zoom.us/t/duplicate-particpants/53247>\
**Category:** API and Webhooks\
**Created:** [June 28, 2021, 6:47am UTC](https://devforum.zoom.us/t/duplicate-particpants/53247 "2021-06-28T06:47:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![srudrappa](https://avatars.discourse-cdn.com/v4/letter/s/f08c70/32.png) [@srudrappa](https://devforum.zoom.us/u/srudrappa)\
**Post date:** [June 28, 2021, 6:47am UTC](https://devforum.zoom.us/t/duplicate-particpants/53247/1 "2021-06-28T06:47:40Z")

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**Description**  
Duplicate participants are logged when queried for meeting participants via [https://api.zoom.us/v2/metrics/meetings/](https://api.zoom.us/v2/metrics/meetings/){meeting ID}/participants?type=past&include\_fields=registrant\_id

**Error**  
N/A

**Which App Type (OAuth / Chatbot / JWT / Webhook)?**  
JWT

**Which Endpoint/s?**  
[https://api.zoom.us/v2/metrics/meetings/](https://api.zoom.us/v2/metrics/meetings/){meeting ID}/participants?type=past&include\_fields=registrant\_id

**How To Reproduce (If applicable)**  
Steps to reproduce the behavior:

1. Add a registrant to meeting
2. Host same meeting from iOS SDK
3. Join the meeting through unique join meeting url obtained above as part of registration
4. Leave the meeting
5. Now query for meeting participants with same meeting Id using API [https://api.zoom.us/v2/metrics/meetings/](https://api.zoom.us/v2/metrics/meetings/){meeting ID}/participants?type=past&include\_fields=registrant\_id
6. Now we observe duplicate participants with same registrant\_Id are logged even though registrant as joined the meetings once

**Screenshots (If applicable)**  
N/A

**Additional context**  
N/A

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<div class="post-metadata">

**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:** [June 29, 2021, 3:26pm UTC](https://devforum.zoom.us/t/duplicate-particpants/53247/2 "2021-06-29T15:26:25Z")

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Hi @srudrappa

Thank you for bringing this to our attention! Can you please share the query and JSON body response you are seeing to [developersupport@zoom.us](mailto:developersupport@zoom.us) so we can try to reproduce the error on our end?

Thank you!

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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:** [July 30, 2021, 1:26am UTC](https://devforum.zoom.us/t/duplicate-particpants/53247/3 "2021-07-30T01:26:58Z")

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Closed on July 30, 2021, 1:26am UTC

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