Disable email notifications when a Webinar attendee is cancelled or denied

Similar to others here, what we are doing is building a wrapper application around the webinar and meeting creation and maintenance experience using the Zoom APIs. Part of this app is sending the various emails related to the webinar and meeting lifecycle - confirmation emails to registrants and panelists, update notification emails, etc.

For this to work properly, all emails which normally Zoom sends to meeting and webinar participants should be disabled, so that not to have people receiving duplicate emails for one and the same purpose from our application and from Zoom.

Using the API capabilities and the account-level settings through the Zoom portal, we have managed to effectively stop Zoom from sending its own emails. The one remaining type of email which I could not find a way to stop is the email sent to a webinar registrant when his/her registration is removed from the webinar (when the particular person is removed from the list of approved attendees, not when the webinar itself is deleted). We use the following API endpoint to cancel or deny the attendee - https://marketplace.zoom.us/docs/api-reference/zoom-api/webinars/webinarregistrantstatus

My question is - is there a way to disable the email which Zooms sends to a webinar attendee when the host cancels or denies the attendee registration?

Hey @v.hristov, thanks for posting and using Zoom!

Unfortunately we do not have a setting to disable email notifications when a Zoom Webinar attendee is cancelled or denied.

I tried putting an email other than the user who I was denying hoping that the pending user would not receive the deny email, but the deny was successful, and it still sent the email to the associated user.


Thanks for the quick response, @tommy and for testing this out.

What would then be your recommendation on avoiding the situation where a webinar attendee who was initially (auto-)registered but is then removed by the webinar receives two emails about his removal from the webinar - one with the non-customizable content sent by Zoom and the other one, customized as per our requirements, sent by our app?

As a side note, would it be possible to add such option to the API backlog? I would expect that there are a lot of people who build their own email (or alternative channels) notifications to webinar panelists and attendees, hence would like to be able to remove from Zoom the responsibility of sending out those emails for the different events happening in the webinar lifecycle. I noticed that similar questions have been raised in the past by other users here in the forum.

Ideally, for the particular use case of cancelling or denying a webinar registrant, I would see this as an additional parameter in the API call https://marketplace.zoom.us/docs/api-reference/zoom-api/webinars/webinarregistrantstatus, next to the “action” and “registrants” parameters.

Even better for our use case would be a general on/off switch on the webinar settings which enables or disables all emails Zoom normally sends for the given webinar.

Hey @v.hristov, happy to help!

Since the Zoom webinar attendee canalization and denial email cannot be turned off, I would suggest not sending the custom one you have, and instead let Zoom handle that part.

I know this is not ideal, and I will pass your suggestion on as a feature request to our engineering team.


Hi @tommy,

Thanks for the suggestion and for forwarding the feature request to the engineering team, hope that it can make it to the API at some point.

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Hey @v.hristov,

You can keep an eye on our releases here: https://marketplace.zoom.us/docs/changelog