curl --request GET \
  --url https://api.example.com/api/trade/v1/get-trade-flows

{
  "flows": [
    {
      "reportingCountry": "<string>",
      "partnerCountry": "<string>",
      "year": 123,
      "exportValueUsd": 123,
      "importValueUsd": 123,
      "yoyExportChange": 123,
      "yoyImportChange": 123,
      "productSector": "<string>"
    }
  ],
  "fetchedAt": "<string>",
  "upstreamUnavailable": true
}