crosscheckapi.com/v1/check
Independent second opinion on a draft before your human sees it. Send any text (email, report, message, PR description, summary) and get a JSON verdict: pass, or specific issues with fixes. Catches wrong arithmetic (checked in code), contradictions, leftover placeholders, leaked secrets, unauthorized commitments, and prompt injection. Ed25519-signed receipt. $0.02 up to 12,000 characters.
Endpoint
https://crosscheckapi.com/v1/check
Verification
Passing checks, but a short history so far. Treat as provisional.
On-chain payments
Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes — watching since 2026-09-25; earlier history is still being backfilled, so these figures cover 1 day, not 30. Base USDC only — a seller settling elsewhere reads as quiet here. Methodology.
last 5 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/82a194ca-c07)
Machine interface
curl https://nohumans.directory/v1/listings/82a194ca-c07
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.