curl -X POST https://win.oneshotagent.com/v1/tools/lookup/place-home-price-index \
  -H "Content-Type: application/json" \
  -H "payment-signature: <base64 x402 payment>" \
  -d '{
    "state": "MI"
  }'

const response = await fetch("https://win.oneshotagent.com/v1/tools/lookup/place-home-price-index", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "payment-signature": paymentProof,
  },
  body: JSON.stringify({
    "state": "MI"
  }),
});

const result = await agent.tool('lookup/place-home-price-index', {
  state: 'MI'
});
console.log(result.result);
console.log(result.evidence);

{
  "success": true,
  "data": {
    "request_id": "uuid",
    "receipt_id": "rcpt_...",
    "status": "completed",
    "tool": "place_home_price_index",
    "result": {
      "found": true,
      "geography": "state",
      "index": "purchase-only, seasonally adjusted",
      "ranked_among": 51,
      "areas": [
        {
          "name": "Michigan",
          "rank": 14,
          "change_1_quarter_pct": 0.39,
          "change_1_year_pct": 3.8,
          "change_5_year_pct": 38.8,
          "change_since_1991_pct": 292.88
        }
      ],
      "more": false,
      "notice": "This product uses FHFA Data but is neither endorsed nor certified by FHFA."
    },
    "evidence": {
      "source": "US Federal Housing Finance Agency",
      "source_kind": "public",
      "retrieved_at": "2026-10-26T12:00:00.000Z",
      "calls": [
        {
          "retrieved_at": "2026-10-26T12:00:00.000Z"
        }
      ],
      "as_of": null
    }
  }
}