curl --request GET \
  --url https://api.example.com/api/supply-chain/v1/get-critical-minerals

{
  "minerals": [
    {
      "mineral": "<string>",
      "topProducers": [
        {
          "country": "<string>",
          "countryCode": "<string>",
          "productionTonnes": 123,
          "sharePct": 123
        }
      ],
      "hhi": 123,
      "riskRating": "<string>",
      "globalProduction": 123,
      "unit": "<string>"
    }
  ],
  "fetchedAt": "<string>",
  "upstreamUnavailable": true
}