curl --request GET \
  --url https://ratesapi.nz/api/v1/credit-card-rates/{issuerId}

{
  "type": "CreditCardRates",
  "data": [
    {
      "id": "issuer:anz",
      "name": "Amex",
      "products": [
        {
          "id": "<string>",
          "name": "<string>",
          "rates": [
            {
              "id": "<string>",
              "rate": 123,
              "plan": "<string>",
              "condition": "<string>"
            }
          ]
        }
      ],
      "plans": [
        {
          "id": "<string>",
          "name": "<string>",
          "interestFreePeriodInMonths": 123,
          "primaryFeeNZD": 123,
          "balanceTransferRate": 123,
          "balanceTransferPeriod": "<string>",
          "cashAdvanceRate": 123,
          "purchaseRate": 123
        }
      ]
    }
  ],
  "lastUpdated": "2021-08-01T00:00:00.000Z",
  "termsOfUse": "<string>",
  "timestamp": "2025-03-04T02:30:00.000Z"
}