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Web Zapier OAuth 2.0: Fix 404 on Redirect URI Mismatch

Fix Zapier OAuth 2.0 404 errors: ensure redirect_uri matches exactly, perform the code-to-token exchange, and set the token request in Zapier for private apps.

#zapier
#oauth
#redirect-uri
#authentication
#web

1 answer• 1 view

12/27/2025, 09:59 AM