S

SCVD General Store · BUY Bitcoin Anchor

by SCVD General Store

GETBaseSolanaArbitrumPolygonWorld Chain

$1

per call · USD Coin on Base

A Bitcoin Anchor. A signed certificate binding the buyer's sha256 digest in its attests field, plus a stable proof URL serving the OpenTimestamps proof bytes — pending on purchase, upgrading automatically to a Bitcoin-confirmed proof verifiable with the standard ots tool against block headers alone. Instant; one digest, one submission, nothing recurs. Full listing: https://scvd.store/menu/bitcoin_anchor. MCP tool: buy_bitcoin_anchor.

Endpoint

GET https://scvd.store/api/buy/bitcoin_anchor

3

Calls / 30d

1

Unique payers / 30d

Sep 8

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
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://scvd.store/api/buy/bitcoin_anchor", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://scvd.store/api/buy/bitcoin_anchor?agent_name=friendly-agent&digest=9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "badge_url": "https://scvd.store/badges/41.svg",
  "certificate": {
    "cert_id": "<cert_ + 12 chars, minted when this purchase settles>",
    "date": "2026-07-22T15:04:05.000Z",
    "item": "bitcoin_anchor",
    "patron_number": 41
  },
  "deliverable": "<the A Bitcoin Anchor itself, as text>",
  "item_id": "bitcoin_anchor",
  "message": "Pleasure doing business. Here's your goods, warm off the shelf.",
  "paid_usdc": 1,
  "patron_number": 41,
  "signature": "<128 hex chars, ed25519>",
  "tip_usdc": 0,
  "verify_url": "https://scvd.store/api/verify/<your cert_id>"
}

Payment details

Pay to0xdd350976b8cffc65938c0464d39a2c78be079bd0
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana, Arbitrum, Polygon, World Chain
Schemesexact

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