200 OK: The request was successful.
201 Created: The request was successful and a new resource was created.
400 Bad Request: The request was invalid or cannot be served. This occurs when the request doesn't match the schema or contains validation errors.
401 Unauthorized: The request lacks valid authentication credentials.
403 Forbidden: The server understood the request but refuses to authorize it.
404 Not Found: The requested resource could not be found.
500 Internal Server Error: The server encountered an unexpected condition that prevented it from fulfilling the request.