x402.asterpay.io
Source-bounded fact-check. Verify a claim against provided source text. Returns verdict: supported, contradicted, or unverifiable. Does NOT search the web.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 228 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 9 (directory's own records)
- Paid calls, last 30 days
- 25
- Category
- Web search
- Address
- https://x402.asterpay.io/v2/x402/ai/fact-check
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/ff025a901932.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).