curl --request GET \
  --url https://api.blockradar.co/v1/rates/check-pair \
  --header 'x-api-key: <api-key>'

{
  "data": {
    "fromAsset": "USDT",
    "toAsset": "cNGN",
    "hasActiveRates": true,
    "activeRateCount": 2,
    "rates": [
      {
        "id": "d69078ef-2467-40f4-bb00-63394efe32c0",
        "rate": "1545.00",
        "minAmount": "10",
        "maxAmount": "1000",
        "version": 1,
        "createdAt": "2026-04-12T09:14:22.501Z"
      },
      {
        "id": "5b6683f0-6e92-4eaf-ae8d-5f2ddd76b376",
        "rate": "1547.50",
        "minAmount": "1000",
        "maxAmount": null,
        "version": 3,
        "createdAt": "2026-04-12T09:18:41.022Z"
      }
    ]
  },
  "message": "Pair check completed",
  "statusCode": 200
}