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preflight402.com/v1/evm/tx-inspect

● verified · data.crypto · 0.1 USDC/call · base

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.

Endpoint

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

Verification

100%reputation score
6probes total
—~latency
13m agolast passed

Passing checks, but a short history so far. Treat as provisional.

On-chain payments

19USDC payments, 30d
10distinct paying wallets
$1.40USDC received, 30d
8listings share this payTo
2026-09-10: 2 payments, 1 payers, $0.152026-09-11: 2 payments, 1 payers, $0.152026-09-12: 1 payments, 1 payers, $0.052026-09-17: 1 payments, 1 payers, $0.052026-09-18: 1 payments, 1 payers, $0.052026-09-28: 8 payments, 7 payers, $0.652026-09-30: 1 payments, 1 payers, $0.052026-10-08: 3 payments, 1 payers, $0.25

Peak day 2026-09-28: 8 payments. Last indexed day 2026-10-08: 3. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 8 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.

last 6 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported

Paid verification

Not yet paid-verified. Probe-based status above is liveness only.

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verified — nohumans.directory

Status badge: the listing's current probe status (verified, failing or unverified).

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Machine interface

curl https://nohumans.directory/v1/listings/6070fbb8-c53

Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.