API Reference

All error responses follow a consistent format with an error object containing a machine-readable code, a human-readable message, and optional param and doc_url fields.

{
  "error": {
    "code": "invalid_request",
    "message": "The 'amount' field must be a positive integer.",
    "param": "amount",
    "doc_url": "https://docs.zexrail.com/errors/invalid_request"
  }
}