curl --request GET \
  --url https://m2m-backend-qa.up.railway.app/partner/operations/{operationId} \
  --header 'X-API-Key: <api-key>'

{
  "success": true,
  "data": {
    "operationId": "op_acme_abc123",
    "userId": "user_acme_x1y2z3",
    "linkId": "link_acme_a1b2c3d4e5f6",
    "status": "completed",
    "amount": {
      "send": 100,
      "receive": 1725,
      "rate": 17.25,
      "fee": 3.99,
      "currency": {
        "source": "USD",
        "destination": "MXN"
      }
    },
    "createdAt": "2026-02-10T12:00:00.000Z",
    "updatedAt": "2026-02-10T12:05:00.000Z",
    "referenceId": "user-12345",
    "raasOperationId": "raas_op_xyz789",
    "funding": {},
    "payout": {},
    "completedAt": "2026-02-10T12:05:00.000Z",
    "failedAt": "<string>",
    "failureReason": "<string>"
  }
}