Zoho Mail OAuth

Step 2 — Client details (same as in Zoho)

Must match Zoho API Console. Use https://zoho-api.billiotech.com/callback so the callback returns to this app.

Client ID & Secret (from Zoho)

Step 3 — Scopes

Comma-separated in the auth URL (URL-encoded). Organization/partner scopes require admin privileges. Scope names match the API index (the overview lists features, not OAuth strings). The index “Operation” column is the HTTP method; OAuth still uses READ/CREATE/UPDATE/DELETE (per each API’s “OAuth Scope” section)—not a .GET suffix. Login history and SMTP logs use the same READ scopes as in Organization API; Logs below adds audit READ only.

Select all

Select at least one scope.

Step 5 — Confirm and open URL

Review the URL below. Set your Zoho redirect URI to this app (e.g. https://zoho-api.billiotech.com/callback) and open the URL in the same browser so the callback returns here. Then click the button to authorize.