Vellium & Co

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SchemaSure

Extract strict, JSON-Schema-valid typed JSON from unstructured text or HTML. Failed extraction calls are not settled. Primary x402 V2 API for production agents.

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
263 ms
Price
$0.020 per call
Paying buyers, last 30 days
7 (directory's own records)
Paid calls, last 30 days
41
Category
Web page readers and scrapers
Address
https://schemasure.com/v2/extract

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/043c9c268352.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].