Preflight one public URL before an agent uses it: verify immediate HTTP reachability, origin status, redirect destination, response headers and cache validators with a bounded HEAD-first probe. GET is used only when HEAD is unsupported. No JavaScript, login, page extraction or availability guarantee. Base mainnet USDC
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.001000 USDC | 0xf9c2...61Ba |