# Anonymous Login

**URL:** <https://devforum.zoom.us/t/anonymous-login/28824>\
**Category:** API and Webhooks\
**Created:** [September 1, 2020, 11:14pm UTC](https://devforum.zoom.us/t/anonymous-login/28824 "2020-09-01T23:14:42Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![steve.gibbs](https://avatars.discourse-cdn.com/v4/letter/s/e5b9ba/32.png) [@steve.gibbs](https://devforum.zoom.us/u/steve.gibbs)\
**Post date:** [September 1, 2020, 11:14pm UTC](https://devforum.zoom.us/t/anonymous-login/28824/1 "2020-09-01T23:14:42Z")

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Hi,

After a mtg has completed, I get the list of participants using [https://api.zoom.us/v2/past\_meetings/{0}/participants](https://api.zoom.us/v2/past_meetings/%7B0%7D/participants). However, I have noticed that occasionally one ot two users have empty id and user\_email fields:  
 ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/2X/d/d9682e33d93b14d03b3ff0f3854e7e7a578bb1db.png)

How is this possible?

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**Author:** ![tommy](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/tommy/32/72769_2.png) [@tommy](https://devforum.zoom.us/u/tommy)\
**Post date:** [September 3, 2020, 9:52pm UTC](https://devforum.zoom.us/t/anonymous-login/28824/2 "2020-09-03T21:52:30Z")

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Hey @steve.gibbs,

That is possible if the user did not login to Zoom before joining the meeting.

Thanks,  
Tommy

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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:** [October 4, 2020, 7:52am UTC](https://devforum.zoom.us/t/anonymous-login/28824/3 "2020-10-04T07:52:36Z")

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