$0.05
per call · USD Coin on Base
A single-use cryptographic seal proving a specific deliverable was produced by a specific agent at a specific time and has not been altered since — the receipt a counterparty can independently check.
Endpoint
POST https://api.craigmbrown.com/v1/services/attestation.single-use-seal3
Calls / 30d
2
Unique payers / 30d
Aug 22
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://api.craigmbrown.com/v1/services/attestation.single-use-seal", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"attestation_id": "..."
}),
});
const data = await res.json();curl -X POST \
"https://api.craigmbrown.com/v1/services/attestation.single-use-seal" \
-H "Content-Type: application/json" \
-d '{"attestation_id":"..."}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"seal": {}
}Payment details
0x5e709929a4ab69ec3a8811d03417869059bc4eb9USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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