We are trying to generate the Client ID, Client Secret, Access Token and Refresh token for OAuth2, to make it work for accessing the ZohoBooks API using the new OAuth2, and following the documentation at
https://www.zoho.com/books/api/v3/#oauth

It always fails at Step 2: Generating Grant Token:

Using a URL like this:
https://accounts.zoho.com/oauth/v2/auth?scopw=ZohoBooks.fullaccess.all&client_id=xxxxxx&response_type=code&redirect_uri=https://deluge.zoho.com/delugeauth/callback

it always returns a page with this message:

Processing...

This whole process of setting up a working OAuth2 is cumbersome and buggy! There is no ducumentation on what redirect URI to use, the https://deluge.zoho.com/delugeauth/callback was just a guess!

Can you please improve the documentation? Or even better, provide a simpler way to set up the OAuth2,

especially since you are planning to phase out thew old authtoken method soon.

I have contacted ZohoBooks support on this, for all intense and purposes it is not responding in a timely manner.

If  your Zoho Support is currently understaffed due to Covid19 pandemics, then let us, and give us a realistic time frame as to when are able to either sort out the OAuth2 issue, or better, continue the more robust and easier authtoken method.

J.Neuhoff