Email ID not received on Participant/Host joined meeting webhook

API Endpoint(s) and/or Zoom API Event(s)
Webhook received on Participant/Host joined the meeting event.

For a few of the users, email is not received in webhook even after the user was invited for a zoom call on the calendar and the user has accepted the invitation prior to joining the call. One example of such an email is

The email field is coming empty on the webhook received for Participant/Host joined meeting event

How To Reproduce
Steps to reproduce the behavior:

  1. create a meeting via google calendar from an email with “gainsight” domain.
  2. Add zoom as a video conferencing method.
  3. Add participants with multiple domains.
  4. When a call is started and the participant joins the call. Webhook is received in our backend system with user details but email is missing for a few of the users. (Eg.:

Hi @alranjan

If the meeting does not require registration or login authentication, and a user when joining the meeting is not signed in to the zoom app, then the email field will be empty.


Hi @ojus.zoom,

Thanks for your reply.

The meeting didn’t require any registration and authentication, but the user who joined was logged in to the zoom app and then joined the meeting. Still, I didn’t get his email in the webhook.

@alranjan we may need to investigate this further. since this contains private user information, can you please open a ticket here with the user and meeting info?