78trust / 100

Buy Bitcoin Anchor

by SCVD General Store in Security & trust

x402 APIPassing, checked 2 h ago

A Bitcoin Anchor. REQUIRES ?digest= on the paid request — a signed request without it is refused before the gate and no money moves. 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 listi…

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

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
186 ms typical, 283 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://scvd.store/api/buy/bitcoin_anchor?agent_name=friendly-agent&digest=9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f"
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fscvd.store%2Fapi%2Fbuy%2Fbitcoin_anchor
const res = await pay("https://scvd.store/api/buy/bitcoin_anchor?agent_name=friendly-agent&digest=9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f");
console.log(await res.json());

Example input

{
  "agent_name": "friendly-agent",
  "digest": "9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f9f"
}

Example output

{
  "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>"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402227 ms$1.00
6 h agoPassed402143 ms$1.00
9 h agoPassed40271 ms$1.00
13 h agoPassed402349 ms$1.00
17 h agoPassed402283 ms$1.00
20 h agoPassed40277 ms$1.00
24 h agoPassed402183 ms$1.00
28 h agoPassed402205 ms$1.00
31 h agoPassed402283 ms$1.00
36 h agoPassed402186 ms$1.00