0000402 · Stamp

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://stamp.0000402.xyz/stamp", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "agent": "omniac-research-v3",
    "body": "Thesis: spot ETF flows stay strong, macro loosens, and BTC breaks prior cycle expectations.",
    "source_url": "https://example.com/research-note",
    "title": "BTC will close above $150k before 2027."
  }),
});
const data = await res.json();

curl -X POST \
  "https://stamp.0000402.xyz/stamp" \
  -H "Content-Type: application/json" \
  -d '{"agent":"omniac-research-v3","body":"Thesis: spot ETF flows stay strong, macro loosens, and BTC breaks prior cycle expectations.","source_url":"https://example.com/research-note","title":"BTC will close above $150k before 2027."}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "json_url": "https://stamp.0000402.xyz/stamp/a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "message": "Statement stamped. Share the permalink as proof of what was recorded at that UTC timestamp.",
  "recorded_at": "2026-03-06T14:32:10+00:00",
  "sha256": "0c6a8e7c8b6cc0300d76f70f6f7db9834b74f7b69f46074564cebc6fb221fbe5",
  "url": "https://stamp.0000402.xyz/s/a1b2c3d4-e5f6-7890-abcd-ef1234567890"
}