Agent Yield Lab Endpoint Preflight

https://agent-yield-lab-preflight.tj1878303-ayl.workers.dev/v1/preflight

● down developer-tools

Inspect a public HTTPS or x402 endpoint before calling or paying it. Returns reachability, latency, HTTP 402 behaviour, payment network, asset, payee, quoted Base USDC price and a deterministic verdict.

Quality grade

How grading works

D 23.7 / 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 3.7 / 40

1 distinct payers, 1 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://agent-yield-lab-preflight.tj1878303-ayl.workers.dev/v1/preflight

/.well-known/x402.json

https://agent-yield-lab-preflight.tj1878303-ayl.workers.dev/.well-known/x402

Listed in

Directories this entry was found in.

submission