realcite-case · Verify Case

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://goodsong.dev/verify/case", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "case_name": "Obergefell v. Hodges",
    "citation": "576 U.S. 644"
  }),
});
const data = await res.json();

curl -X POST \
  "https://goodsong.dev/verify/case" \
  -H "Content-Type: application/json" \
  -d '{"case_name":"Obergefell v. Hodges","citation":"576 U.S. 644"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "canonical": {
    "absolute_url": "/opinion/2812209/obergefell-v-hodges/",
    "case_name": "Obergefell v. Hodges",
    "date_filed": "2015-06-26"
  },
  "checks": {
    "case_name_match": true,
    "exists": true
  },
  "cost": {
    "amount": "0.01",
    "currency": "USDC"
  },
  "evidence": [
    {
      "retrieved_at": "2026-08-30T12:00:00Z",
      "source": "courtlistener",
      "url": "https://www.courtlistener.com/api/rest/v4/citation-lookup/"
    }
  ],
  "latency_ms": 220,
  "verdict": "confirmed"
}