Pay-per-call checks for AI agents: quotes, citations, pages, links, packages.

Check that a quote is on a page or every citation in an answer, fetch pages as clean text, check links and npm, PyPI or crates.io names, and timestamp a hash. Each answer has a receipt you can check offline. US$0.002-US$0.10 a call in USDC over x402. Free trial: 5 calls/day per IP on most routes. Try: curl https://vehcdj664efetfrsolne5umanq.srv.us/v1/sample/quote. Status: https://vehcdj664efetfrsolne5umanq.srv.us/status. Terms: https://vehcdj664efetfrsolne5umanq.srv.us/terms.