Live Entity Verification API

https://live-entity-verification-production.up.railway.app/verify-entity-existence-cross-signal

● down agent-verification-security

Cross-signal Bayesian corroboration of entity existence, fusing WHOIS, Certificate Transparency, Wayback Machine, and DNS operational maturity into a calibrated hallucination verdict. x402 pay-per-call, tiered $0.01-$0.05 USDC on Base Sepolia by route.

Quality grade

How grading works

D 23.0 / 100 capped at D while down

Availability 0.0 / 40

Endpoint did not respond

Payability 20.0 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 3.0 / 40

0 distinct payers, 7 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 6 h ago. On-chain activity last read 11 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://live-entity-verification-production.up.railway.app/verify-entity-existence-cross-signal

/.well-known/x402.json

https://live-entity-verification-production.up.railway.app/.well-known/x402

Listed in

Directories this entry was found in.

submission