ToolVet
81trust / 100

Web Changed

by api.x-402.online in Other

x402 APIPassing, checked 3 min ago

Tell whether a page changed since the last time you read it. Has a page changed since you last read it? Send a URL and the content_sha256 you kept from a previous call; get back changed: true or false, the current checksum and the current length. Without a checksum, returns the starting point. Main content only, navigat…

POST https://api.x-402.online/v1/web/changed

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
135 ms typical, 135 ms slowest 5%
Last check
3 min ago
Next check
in 26 min

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.x-402.online/v1/web/changed" \
  -H "content-type: application/json" \
  -d '{"since_sha256":"…","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.x-402.online%2Fv1%2Fweb%2Fchanged
const res = await pay("https://api.x-402.online/v1/web/changed", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"since_sha256":"…","url":"https://example.com"}),
});
console.log(await res.json());

Example input

{
  "since_sha256": "…",
  "url": "https://example.com"
}

Example output

{
  "changed": false,
  "checked_at": "…",
  "content_chars": 167,
  "content_sha256": "…"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
3 min agoPassed402161 ms$0.005
5 h agoPassed402135 ms$0.005