https://community.spotify.com/t5/Spotify-for-Developers/403-Error-on-approved-allowlist-development-users/m-p/7157170#M18868 <P>I've configured the Spotify integration perfectly with my own account as the developer, but am hitting a 403 forbidden error "Authentication failed: failed to fetch user info" when trying to sign in as another Premium user who's been added to my allowlist for development (less than 25 users).</P><P>&nbsp;</P><P>These are the exact requirements in the documentation, yet I still have no idea how to resolve this.&nbsp;</P><P>&nbsp;</P><P>Mac M2 Max, Australia, iPhone 16</P><P>&nbsp;</P><P>Thank everyone.</P> Wed, 01 Oct 2025 04:28:36 GMT CampbellMcG 2025-10-01T04:28:36Z https://community.spotify.com/t5/Spotify-for-Developers/403-Error-on-approved-allowlist-development-users/m-p/7157170#M18868 <P>I've configured the Spotify integration perfectly with my own account as the developer, but am hitting a 403 forbidden error "Authentication failed: failed to fetch user info" when trying to sign in as another Premium user who's been added to my allowlist for development (less than 25 users).</P><P>&nbsp;</P><P>These are the exact requirements in the documentation, yet I still have no idea how to resolve this.&nbsp;</P><P>&nbsp;</P><P>Mac M2 Max, Australia, iPhone 16</P><P>&nbsp;</P><P>Thank everyone.</P> Wed, 01 Oct 2025 04:28:36 GMT https://community.spotify.com/t5/Spotify-for-Developers/403-Error-on-approved-allowlist-development-users/m-p/7157170#M18868 CampbellMcG 2025-10-01T04:28:36Z