REQUIRED: OAuth 2.0 client identifier string
Optionalclient_OPTIONAL: Timestamp of client ID issuance (seconds since Unix epoch)
Optionalclient_Optionalclient_OPTIONAL: OAuth 2.0 client secret (omitted for public clients)
Optionalclient_REQUIRED if client_secret issued: Expiration timestamp (seconds since epoch) Value of 0 indicates the secret does not expire
Optionalclient_OptionalcontactsOptionalgrant_OptionaljwksOptionaljwks_Optionallogo_Optionalpolicy_Optionalredirect_Optionalresponse_OptionalscopeOptionalsoftware_Optionalsoftware_Optionaltoken_Optionaltos_
Client information response from successful registration (RFC 7591 Section 3.2.1)
Authorization server returns client credentials and echoes/modifies metadata. client_id is always returned, client_secret is optional for public clients.