ScriptMasterLabs.com · x402 Directory
https://verifier.quantumshieldlabs.dev/x402/preflight
Resource: https://verifier.quantumshieldlabs.dev/x402/preflight · Directory page generated 2026-11-05T02:22:07.553Z from live sources.
The facts, as last reported 2026-11-05T01:43:27.135Z: this resource answers x402 payment challenges at 0.005 USDC on Base (exact), pay to 0x550205ECa42aAE871CFED6BC943fB2cF59F1d057. It is reported by Coinbase CDP and its directory state is live.
What it does
Return an advisory ALLOW, DENY, or ESCALATE decision by comparing a bounded action request with authority, constraints, and evidence supplied by the caller. The service does not execute or legally authorize the action, access a wallet, vali
Payment options
| Network | Scheme | Asset | Amount | Pay to |
|---|---|---|---|---|
| Baseeip155:8453 | exact | USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0.0055000 atomic | 0x550205ECa42aAE871CFED6BC943fB2cF59F1d057 |
Verification — the enrichment record
| Verification state | facilitator-reported |
|---|---|
| Verified / reported at | 2026-11-05T01:43:27.135Z |
| Settlement recency | listing last updated 2026-11-05T01:19:29.378Z at its source |
| Freshness | live — last reported 2026-11-05T01:43:27.135Z, listing last updated at source 2026-11-05T01:19:29.378Z |
| Reporting facilitator | Coinbase CDP |
| Sources | cdp |
Call it
An unpaid call returns the live 402 challenge — that challenge, not this page, is the price quote:
curl -i "https://verifier.quantumshieldlabs.dev/x402/preflight"
Pay it with any x402 client on Base. Networks: Base