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Web Page Evidence Capture
x402
Web Page Evidence Capture is a paid API for AI agents from msgom-159-89-4-32.run.pinggy-free.link, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-12).
Captures a cryptographic snapshot of a web page at a given URL, returning its content hash, HTTP status, title, links, and change detection data as tamper-evident evidence.
Price / call$0.005
Success—
StatusUnknown
How this service works
Website hosted for free through pinggy.io> <meta name=
Output
Returns the original URL, final redirected URL, HTTP status code, page title, content size in bytes, SHA-256 hash of the page content, a sample of links found on the page, a receipt object, and a changeDetection object indicating whether content has shifted from prior captures.
Example use cases
Legal compliance webpage snapshot
“I need tamper-evident evidence of what https://contractor-portal.acme.com/agreement shows right now — grab the SHA-256 hash, HTTP status, and page title so I can attach it to our contract records.”
Detect unauthorized content changes
“Can you capture the current evidence for https://mybrand.com/pricing and save the content hash? I want to compare it next week to see if anything changed without my approval.”
Verify a competitor's published claim
“Capture a cryptographic snapshot of https://competitorsite.com/press-release/2024-announcement — I need the content hash and HTTP status to prove exactly what was published there today.”
Technical details
Endpoint
POSThttps://msgom-159-89-4-32.run.pinggy-free.link/evidence?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a lightweight, cryptographically verifiable snapshot of a public webpage — especially for legal evidence gathering, compliance audits, or change detection — and you don't need a full rendered screenshot or DOM interaction. It is ideal when a SHA-256 content hash plus HTTP metadata is sufficient proof, rather than a visual or rendered capture.
Side effects
- Target URL is unreachable or returns a non-200 status — httpStatus field reflects the error code
- URL scheme is invalid or not http/https — request rejected with validation error
- Target page is behind authentication and content is inaccessible — shallow or empty capture
- Pinggy tunnel may be intermittently unavailable — endpoint itself may return 5xx
- Redirects to a page with no body — bytes may be 0 and title absent
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| urlrequired | string | http(s) URL to capture evidence for |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| urlrequired | string | |
| bytes | integer | |
| title | string | |
| receipt | object | |
| finalUrl | string | |
| httpStatus | integer | |
| linksSample | array | |
| contentSha256required | string | |
| changeDetection | object |
Tags
x402
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