$0.004
per call · USD Coin on Base
Settlement Attestation. A signed JSON observation of one transaction on Base, Polygon, or Solana — the identifier's shape picks the chain — with status (SETTLED, NOT_FOUND, PENDING_FINALITY, INSUFFICIENT_MATCH or REVERTED), block height (slots on Solana), confirmations, chain head, the query echoed back, and an evidence hash — verifiable against the store's published key without asking the store. Instant. Full listing: https://scvd.store/menu/settlement_attestation. MCP tool…
Endpoint
GET https://scvd.store/api/buy/settlement_attestation2
Calls / 30d
2
Unique payers / 30d
Sep 4
Last called
exact
Payment scheme
Call this service
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/settlement_attestation", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://scvd.store/api/buy/settlement_attestation?agent_name=friendly-agent&tx_hash=0x47c8fee47c8fee47c8fee47c8fee47c8fee47c8fee47c8fee47c8fee47c8fee0" \
-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": "settlement_attestation",
"patron_number": 41
},
"deliverable": "<the Settlement Attestation itself, as text>",
"item_id": "settlement_attestation",
"message": "Pleasure doing business. Here's your goods, warm off the shelf.",
"paid_usdc": 0.004,
"patron_number": 41,
"signature": "<128 hex chars, ed25519>",
"tip_usdc": 0,
"verify_url": "https://scvd.store/api/verify/<your cert_id>"
}Payment details
0xdd350976b8cffc65938c0464d39a2c78be079bd0USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Onchain Data and the homepage with a featured placement.
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The Conformance Watch. A watch id and a permanent history URL, readable immediately and filling in daily for seven days: one signed pass per day carrying the verdict, every failed check and advisory by name, plus a summary deriving the days the store missed and whether the readout drifted between passes. Bounded and prepaid; ends after seven days, renews only by repurchase. Full listing: https://scvd.store/menu/conformance_watch. MCP tool: buy_conformance_watch.