To obtain an Access Token, an ID Token, and optionally a Refresh Token, the RP (Client) sends a Token Request to the Token Endpoint to obtain a Token Response.
Parameter Required Description Data Type grant_type true Grant type value, one of these: authorization_code, implicit, password, client_credentials, refresh_token as described in OAuth 2.0 [RFC6749]. string code false Code which is returned by authorization endpoint (For grant_type=authorization_code). string redirect_uri false Redirection uri to which the response will be sent. This uri MUST exactly match one of the redirection uri values for the client pre-registered at the OpenID Provider. string username false End-User username. string password false End-User password. string scope false OpenID Connect requests MUST contain the openid scope value. If the openid scope value is not present, the behavior is entirely unspecified. Other scope values MAY be present. Scope values used that are not understood by an implementation SHOULD be ignored. string assertion false Assertion. string refresh_token false Refresh token. string oxauth_exchange_token false oxauth_exchange_token. string client_id false OAuth 2.0 Client Identifier valid at the Authorization Server. string client_secret false The client secret. The client MAY omit the parameter if the client secret is an empty string. string
|400||invalid_request The request is missing a required parameter, includes an unsupported parameter value (other than grant type), repeats a parameter, includes multiple credentials, utilizes more than one mechanism for authenticating the client, or is otherwise malformed.|
|400||invalid_client Client authentication failed (e.g., unknown client, no client authentication included, or unsupported authentication method). The authorization server MAY return an HTTP 401 (Unauthorized) status code to indicate which HTTP authentication schemes are supported. If the client attempted to authenticate via the "Authorization" request header field, the authorization server MUST respond with an HTTP 401 (Unauthorized) status code and include the "WWW-Authenticate" response header field matching the authentication scheme used by the client.|
|400||invalid_grant The provided authorization grant (e.g., authorization code, resource owner credentials) or refresh token is invalid, expired, revoked, does not match the redirection uri used in the authorization request, or was issued to another client.|
|400||unauthorized_client The authenticated client is not authorized to use this authorization grant type.|
|400||unsupported_grant_type The authorization grant type is not supported by the authorization server.|
|400||invalid_scope The requested scope is invalid, unknown, malformed, or exceeds the scope granted by the resource owner.|