curl --request GET \
  --url https://api.izap.ai/.well-known/oauth-authorization-server

{
  "issuer": "https://api.izap.ai",
  "authorization_endpoint": "https://api.izap.ai/oauth/authorize",
  "token_endpoint": "https://api.izap.ai/oauth/token",
  "registration_endpoint": "https://api.izap.ai/oauth/register",
  "grant_types_supported": [
    "authorization_code",
    "refresh_token"
  ],
  "code_challenge_methods_supported": [
    "S256"
  ],
  "token_endpoint_auth_methods_supported": [
    "none",
    "client_secret_post",
    "client_secret_basic"
  ]
}