Web Change Snapshot

Last 30 days

Uptime

100%

Response time

118 ms typical, 118 ms slowest 5%

Last check

1 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.agentmercantile.com/v1/web-change-snapshot" \
  -H "content-type: application/json" \
  -d '{"url":"https://example.com/"}'

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%2Fapi.agentmercantile.com%2Fv1%2Fweb-change-snapshot
const res = await pay("https://api.agentmercantile.com/v1/web-change-snapshot", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"url":"https://example.com/"}),
});
console.log(await res.json());

Example input

{
  "url": "https://example.com/"
}

Example output

{
  "baseline": {
    "extraction_complete": true,
    "methodology_version": "web-change-snapshot-0.1.0"
  },
  "comparison_scope": "Bounded normalized representation observed by VM07, not the entire website.",
  "comparison_status": "BASELINE",
  "limitations": [
    "Bounded webpage representation comparison, not continuous monitoring or semantic importance."
  ],
  "machine": "VM07",
  "methodology_version": "web-change-snapshot-0.1.0",
  "requested_url": "https://example.com/",
  "status": "OK"
}

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