Optionalacr_Requested Authentication Context Class Reference values. Space-separated string indicating the authentication context the authorization server should satisfy (e.g. step-up MFA policies).
OptionalaudienceThe unique identifier of the target API you want to access.
OptionalconnectionThe name of the Auth0 connection to use for authentication.
Use this to skip the Universal Login page and go directly to a specific
identity provider or authentication method (e.g. 'google-oauth2', 'github', 'email', 'sms').
OptionaldisplayControls how the authorization server displays the authentication UI.
'page' — full page redirect (default)'popup' — popup window'touch' — touch-optimized UI'wap' — WAP browser UIOptionallogin_Pre-fills the email or phone field on the Universal Login page.
Pass the user's known identifier (email address or phone number) to improve UX by skipping manual entry.
Optionalmax_The maximum amount of time, in seconds, after which a user must reauthenticate.
OptionalorganizationThe unique identifier of the organization that the user should be logged into. When specified, the user will be prompted to log in to this specific organization. The organization ID will be included in the user's session after successful authentication.
OptionalpromptControls whether the authorization server prompts the user for reauthentication or consent.
'none' — no UI shown; fails with login_required if interaction is needed'login' — force reauthentication even if a session exists'consent' — force consent prompt even if previously granted'select_account' — prompt user to select an account'create' — prompt user to create a new account (Auth0 New Universal Login)Optionalredirect_The URL to which the authorization server will redirect the user after granting authorization.
OptionalscopeThe scope of the access request, expressed as a list of space-delimited, case-sensitive strings.
Defaults to "openid profile email offline_access".
Optionalscreen_Hint to the Auth0 Universal Login page which screen to show.
'login' — show the login screen (default)'signup' — show the sign-up / registration screen'reset-password' — show the password reset screen (New Universal Login only)Auth0 may accept additional custom screen names; use string & {} to pass
arbitrary values while retaining autocomplete for the known literals.
Optionalui_End-user's preferred languages for the UI, as a space-separated list of
BCP 47 language tags in order of preference (e.g. 'fr-CA fr en').
Additional authorization parameters.