Proper uses standard HTTP response codes to indicate the success or failure of an API request. Codes in the 2xx range indicate success. Codes in the 4xx range indicate an error that failed given the information provided. Codes in the 5xx range indicate an error with Proper.

HTTP Status Codes
200 OKEverything worked as expected. The request was unacceptable, often due to missing a required parameter.
400 Bad RequestThe request was unacceptable, often due to missing a required parameter.
401 UnauthorizedNo valid API key provided.
403 ForbiddenThe API key doesn’t have permissions to perform the request.
404 Not FoundThe requested resource doesn’t exist.
AuthenticationLogs