curl --request GET \
  --url https://api.example.com/v1/countries/{idOrIso}/available-indicators \
  --header 'x-api-key: <api-key>'

{
  "data": [
    "<unknown>"
  ],
  "meta": {
    "request_id": "<string>",
    "requestId": "<string>",
    "api_version": "<string>",
    "pagination": {
      "limit": 123,
      "cursor": "<string>",
      "next_cursor": "<string>",
      "has_more": true
    }
  },
  "requestId": "<string>"
}