When something goes wrong the platform returns a clear status code. This reference explains the most common ones and what to do about them.
What the codes mean
400— the request was malformed; check required fields.401— missing or invalid API key.403— the key lacks permission for this action.404— the requested record does not exist.429— you have hit the rate limit; slow down and retry.
Still stuck?
Capture the full response body and the request id, then open a support ticket so we can trace it quickly.