Check what matters before you ship.

Small verification APIs for websites, agent endpoints, payment challenges and public GitHub bounties. Try a quick public preview, then pay only for the report you need.

Try a free preview See every endpoint

Available checks

$0.001 / call

Quick website check

HTTP status, latency and TLS snapshot.

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$0.05 / call

Full website audit

DNS, TLS, response and security-header report.

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$0.05 / call

Agent API preflight

Check MCP, OpenAPI, x402 and discovery metadata.

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$0.02 / call

x402 challenge check

Inspect a payment challenge without signing or paying it.

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$0.05 / call

GitHub bounty check

Review reward wording, assignment and duplicate PR risk.

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See the service first

Free preview: returns a small live status and latency snapshot of a public URL. Paid routes: return HTTP 402 with payment instructions before processing an unpaid request. Check live health and the API contract.

Results are observations at request time. A bounty check does not guarantee payment or eligibility.