www.thelatentlounge.com
Test your x402 client for a tenth of a cent: a real USDC payment on Base mainnet that returns the payment you just made — x402 version, header, scheme, network, payer, amount, validity window and nonce — with the settlement receipt in the r
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 223 ms
- Price
- $0.001 per call
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 2
- Category
- Blockchain reads
- Address
- https://www.thelatentlounge.com/api/x402/echo
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/fc5eaf410d0d.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).