Error codes and HTTP statuses

{
  "status": "error",
  "message": "Payment route not found"
}

{
  "status": "error",
  "message": "Validation failed",
  "errors": {
    "amount": "Amount must be greater than zero"
  }
}

curl -X POST https://api.remitflex.io/v1/payment-routes \
  -H "Authorization: Bearer rmf_test_xxxx" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{"name":"Supplier collection","originChainKey":"tron","destinationChainKey":"base","destinationCurrency":"USDC","destinationAddress":"..."}'

async function apiRequest(url, options) {
  const res = await fetch(url, options);
  const body = await res.json();

  if (body.status === "error") {
    if (res.status === 429) {
      // backoff and retry
    }
    if (res.status === 422 && body.errors) {
      // surface field errors to user
    }
    throw new Error(body.message);
  }

  return body.data;
}