ScriptMasterLabs.com · x402 Directory
CORS Header Checker
Resource: https://cors-header-checker.underscoredone.com/check · Directory page generated 2026-11-11T10:40:54.881Z from live sources.
The facts, as last reported 2026-11-11T10:40:10.669Z: this resource answers x402 payment challenges at 0.01 USDC on Base (exact), pay to 0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08. It is reported by Coinbase CDP and its directory state is live.
What it does
Sends a real request to any URL you provide, attaches an Origin header, and reads back all six standard cross-origin permission headers the server returns. Tells you whether cross-origin requests are enabled at all, whether your specific or
Payment options
| Network | Scheme | Asset | Amount | Pay to |
|---|---|---|---|---|
| Baseeip155:8453 | exact | USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0.0110000 atomic | 0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08 |
| Solanasolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | USDCEPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v | 0.0110000 atomic | 8ugAWAXDB8V18kiUrGZTq1oMvU3C6Fxs8hfC6rvzQT3b |
Verification — the enrichment record
| Verification state | facilitator-reported |
|---|---|
| Verified / reported at | 2026-11-11T10:40:10.669Z |
| Settlement recency | listing last updated 2026-11-11T10:18:41.121Z at its source |
| Freshness | live — last reported 2026-11-11T10:40:10.669Z, listing last updated at source 2026-11-11T10:18:41.121Z |
| Reporting facilitator | Coinbase CDP |
| Sources | cdp |
| Tags | cors headers, cors, cross origin, access-control-allow-origin, cors policy |
Call it
An unpaid call returns the live 402 challenge — that challenge, not this page, is the price quote:
curl -i "https://cors-header-checker.underscoredone.com/check"
Pay it with any x402 client on Base, Solana. Networks: Base · Solana