curl --request GET \
  --url https://api.example.com/api/economic/v1/get-bis-policy-rates

{
  "rates": [
    {
      "countryCode": "<string>",
      "countryName": "<string>",
      "rate": 123,
      "previousRate": 123,
      "date": "<string>",
      "centralBank": "<string>"
    }
  ]
}