DevX x402 Preflight
x402 preflight: before your agent signs a payment, fetch a paywalled URL's 402 and lint it. Parses v1 bodies and v2 PAYMENT-REQUIRED headers, then checks each accepts[] option: known network, canonical USDC, EIP-712 domain (extra.name/version) that a signature will verify against, EIP-55 payTo, zero/contract payTo, amount sanity, timeout, testnet, resource-host mismatch. Returns ok/warn/block per
x402-preflight.nextill-pos.workers.devBase
- Category
- AI & agents
- Starting price
- $0.003
- Paid calls · 30 days
- 0
- Unique payers · 30 days
- —
Paid endpoints
1 endpoint, sorted by usage. Prices are per request.