403 Forbidden error when attempting to access Authorization policy. Login successful

Application A (not m2m):

  • Application type: regular web application
  • Allow CORS: on
  • Refresh token rotation and expiration: off
  • Credentials: client secret (post)

Application B (m2m):

  • Same as above for all
  • APIs: urn:auth0-authz-api (identifier) (has full permissions: groups, roles, users, etc)