For most situations, you will encounter a handful of HTTP response status codes for error and success -- including 200, 401, 404, 400, and 500.
The most common responses are the following:
- 200: Operation was successful
- 4xx: Operation failed (In the case of payments, a 4xx status code means the payment was not processed)
Due to PCI regulations, error messages may often be intentionally ambiguous.
This section contains the following topics:
Updated about 1 year ago