# Webinar participant data is inaccurate

**URL:** <https://devforum.zoom.us/t/webinar-participant-data-is-inaccurate/17062>\
**Category:** API and Webhooks\
**Created:** [May 11, 2020, 10:32am UTC](https://devforum.zoom.us/t/webinar-participant-data-is-inaccurate/17062 "2020-05-11T10:32:11Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![priya.jetley](https://avatars.discourse-cdn.com/v4/letter/p/b3f665/32.png) [@priya.jetley](https://devforum.zoom.us/u/priya.jetley)\
**Post date:** [May 12, 2020, 10:21am UTC](https://devforum.zoom.us/t/webinar-participant-data-is-inaccurate/17062/2 "2020-05-12T10:21:58Z")

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Hello,

Any updates/ suggestions regarding this issue?  
I would like to add that upon further examining the webinars with data issues I observed that only the webinars with occurrence ids with the ‘/’ character in them were the ones that failed to retrieve data.

For example -  
Webinar Id : 316014643  
Occurence Ids :  
/45rrzUAQBukO/9FsKN7Fw== (issue)  
Vk8kUQ2KSMCCcBWX4E8bbA==  
DKSyQyVHT/+o8Jo/uReKvQ==  
UBt3bxVlREiW85DPM3vIHA==

Webinar Id - 531155155  
Occurence Ids :  
fngmMZG4SmuCxGUFtWGyaQ==  
LZAFIaCmQeiGxZVQS9C5/w==  
Zy6zkU//TMazCboearSNAA== (issue)  
ar1ze0ulSEGDg2701pSC1A==

Webinar Id - 524967002  
Occurence Ids :  
HmTq57wTQqa0iuFhtauPjg==  
waeFVe1CTFmxzC+cFiAhcA==  
nF2gU5WKSnmEuVdsXdWWNw==  
/EusDjUtSCKkqOHHPG7RjQ== (issue)

This is however surprising because in my PL/SQL procedure I use the **APEX\_UTIL.URL\_ENCODE(trim(occurence\_id))** function when constructing the API URL.  
I can also attach the PL/SQL procedure if someone would like to review it for issues.

Would appreciate a prompt response on this as we are in the process of collating data and this is becoming a big issue.

Thanks very much.  
Best Regards,  
Priya

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