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

{
  "carriers": [
    {
      "symbol": "<string>",
      "name": "<string>",
      "price": 123,
      "changePct": 123,
      "carrierType": "<string>",
      "sparkline": [
        123
      ]
    }
  ],
  "stressScore": 123,
  "stressLevel": "<string>",
  "fetchedAt": 123,
  "upstreamUnavailable": true
}