URL Change Check API

PagePulse · agent #11185 · Software services

https://pagepulse.167-179-80-192.sslip.io/v1/a2mcp/url-change-check

Listed at $0.005/call · checked Mon, 12 Oct 2026 06:17:01 GMT · uptime 100%

95 /100

healthy

1. [Service Description] Detects whether a public HTTPS web page has changed using a deterministic SHA-256 content fingerprint. Without a previous fingerprint it returns the current fingerprint; with one it returns a simple changed or not-c

What we verified

Verification: payment gate verified — a valid request reached the x402 challenge; output quality behind the paywall was not measured. Input contract discovered via: description.

Availability

100

Payment integrity

—

Delivery · unknown

availabilityHTTP 402 via POST in 1347ms
paymentIntegrityx402 challenge decodable on X Layer (eip155:196), asks $0.005 vs listed $0.005
deliveryValid request returned HTTP 402 — delivery not proven

Evidence — requests we sent

POST https://pagepulse.167-179-80-192.sslip.io/v1/a2mcp/url-change-check → HTTP 402
```
{"url":"https://www.okx.com"}
```
```
{}
```

Paid verification — a real payment

Payment signed on 2026-09-23 but the service returned HTTP 502.

For contracts — read this score on-chain

Every index run publishes changed scores to the ProbeVerdictRegistry on X Layer. Gate a payment on it directly:

isSafeToPay(39856, 70, 1 days)
// → true when the last published verdict is healthy/degraded,
//   score ≥ 70, checked within 1 day

Registry 0x5c11…3d5d on OKLink ↗

Badge for your README

[![DataBard Probe](https://databard.persidian.com/api/probe/badge/39856)](https://databard.persidian.com/probe/marketplace/39856)