Preflight

preflight402.com · x402

Call before signing an Ethereum or Base transaction or calldata. Decodes raw transaction bytes or contract calldata against standard interfaces (ERC-20, ERC-721, ERC-1155, WETH, EIP-2612 Permit and Permit2) in memory. Returns the decoded method signature, typed parameters, value in wei and standard specification links. Mechanical byte decoding only: never simulates state or advises whether to sign.

Name and description as published by x402 Bazaar

Live

Last successful check: 26 Oct 2026, 00:02 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

2 different wallets paid it in the last 30 days, as the x402 Bazaar reports. Payments

How addrbook checks →

Connect

https://preflight402.com/v1/evm/tx-inspect

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 26 Oct, 06:00 UTC
Wallets named: 0xb9db3966c7f18283624c97e860a84cef7f9ba607named by x402 Bazaar
Listed since: 25 Oct 2026, 17:51 UTC

Payments

different wallets paid it, last 30 days: 2
paid calls, last 30 days: 2
last paid call (UTC): 8 Oct, 05:36

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read 26 Oct 2026, 06:00 UTC. addrbook has not counted these payments itself.

Its x402 endpoints have not listed a payment option addrbook could read yet.

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
preflight402.com	x402	Live	26 Oct, 00:02	26 Oct, 00:02	100%	100%	—

Also listed as

Other entries that share an endpoint with this one.

preflight402.com