Randomly see Invalid redirect url(4700) error when auth the App

Hi, we are working on Zoom compliance API and plan to submit our app after this.
In testing, there are a couple of times we saw the invalid redirect url(4700) error when we try to auth our zoom account. It happens randomly, yesterday it was working fine, but this morning, we came to work and saw the error. There was nothing changed last night. Could you advise us what caused this and how to fix it? We are concerning will our users facing this issue after we release this feature.


Which App?
This is our app:

Thanks in advance.

Hey @trista.wang ,

I see that in the authorize url you are not passing in a redirect_uri.

Please double check you are passing in a redirect_uri, described in step 1 here:


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