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Verified Web Extract
x402
Verified Web Extract is a paid API for AI agents from phion.systems, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-12).
Fetches bounded public web content and returns it with source attribution, timestamp, and cryptographic hashes for verifiable provenance
Price / call$0.003
Success—
StatusUnknown
How this service works
Retrieve bounded public web content with source, timestamp and cryptographic hashes
Output
Returns the bounded public web content from the requested URL along with: the canonical source URL, a precise retrieval timestamp, and one or more cryptographic hashes (e.g. SHA-256) of the content, enabling downstream verification that the content has not been altered since retrieval.
Example use cases
Audit trail for regulatory compliance
“Pull the content from https://sec.gov/some-filing and return a verified extract with a cryptographic hash and timestamp — I need to prove exactly what that page said when we retrieved it for our compliance records.”
Verifying competitor pricing claims
“Fetch https://competitor.com/pricing right now and give me a tamper-evident snapshot with a hash — I want to be able to prove what their pricing page actually said today.”
Anchoring AI agent research to source
“Retrieve https://news.ycombinator.com/item?id=12345 and return the full verified extract with source attribution and a cryptographic hash so I can cite exactly what was there when the agent read it.”
Technical details
Endpoint
POSThttps://phion.systems/v1/paid/trust/verified-web-extract?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need not just the raw content of a public webpage, but a verifiable, tamper-evident record of that content — including cryptographic hashes and timestamps — for audit trails, compliance, agent memory anchoring, or downstream dispute resolution. Prefer it over a plain web-scraping tool when provenance and integrity matter, not just the text itself.
Side effects
- URL is not publicly accessible or requires authentication — request fails with an access error
- Target page returns non-200 status (404, 503, etc.) — content cannot be extracted
- URL points to binary/non-text content not suited for bounded extraction — may return error or partial result
- Network timeout reaching the target domain — request fails with a timeout error
- Content is dynamically rendered via JavaScript and cannot be captured statically — may return incomplete content
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| outputrequired | object |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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