Error Codes

All errors follow a consistent response shape.

{
  "success": false,
  "message": "Descriptive error message",
  "code": 400
}

Code	Meaning
400	Bad request, invalid input or missing required fields
401	Unauthorised, missing or invalid API key
403	Forbidden, API key is inactive or access denied
404	Not found, transaction or resource does not exist
500	Internal server error, contact support if this persists