SSO login callback (alternate)
documentedSSO callback for IdP-initiated or hosted login flows (covered in SSO docs).
POST /login/callbackAuthentication APIno implementation yet0 runsInput
saml_response*
SAMLResponse (Base64-encoded)
Base64-encoded SAMLResponse from IdP
relay_state
RelayState (optional)
Optional relay state
Calls Auth0 as you (your API key is your account); keychains.dev holds the credentials.