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x402check

x402check.xyz · x402

Check a counterparty before paying: OFAC SDN, phishing and drainer feeds, a live watch of drainer infrastructure, transaction simulation and injected-instruction analysis. Returns a score and a signed ES256 attestation.
Name and description as published by x402 Bazaar

Live

Last successful check: 26 Oct 2026, 07:19 UTC.

answered, last 24 hours
100%
answered, last 30 days
100%
How addrbook checks →

Connect

https://x402check.xyz/v1/risk-check

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 UTC
Wallets named
  • 0xbf88b1f49b5e8ec386289341c4a5ee00bb0e0178named by x402 Bazaar
Listed since

Payments

different wallets paid it, last 30 days
6
paid calls, last 30 days
26
last paid call (UTC)

As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read . addrbook has not counted these payments itself.

How it asks to be paid

NetworkPricePaid inSettled byPays to
Base$0.0035USDCPer request0xbf88b1f49b5e8ec386289341c4a5ee00bb0e0178
Polygon$0.007USDCPer request0xbf88b1f49b5e8ec386289341c4a5ee00bb0e0178
Arbitrum$0.009USDCPer request0xbf88b1f49b5e8ec386289341c4a5ee00bb0e0178
Monad1000smallest units“USDC”not a Circle contractPer request0xbf88b1f49b5e8ec386289341c4a5ee00bb0e0178
Sei2000smallest units“USDC”not a Circle contractPer request0xbf88b1f49b5e8ec386289341c4a5ee00bb0e0178
Solana$0.002USDCPer requestBofhoe2ye2adNQwZJtLepeKrBZq8CtHzRwPJXgWDH69X

From its own 402 answer at UTC. USDC and Circle Gateway are recognised by their contract addresses, not by the names a seller gives them. How payments are read

Checks by endpoint

HostProtocolStateLast checked (UTC)Last answered (UTC)24 hours30 daysTools
x402check.xyzx402Live100%100%—

Also listed as

Other entries that share an endpoint with this one.