Dynamic client registration

A valid request URL is required to generate request examples

{
  "client_id": "<string>",
  "client_secret": "<string>",
  "client_id_issued_at": 123,
  "client_secret_expires_at": 0,
  "redirect_uris": [
    "<string>"
  ],
  "client_name": "<string>",
  "grant_types": [
    "<string>"
  ],
  "response_types": [
    "<string>"
  ],
  "token_endpoint_auth_method": "<string>"
}