x402check

x402check.xyz, listed since 2026-10-20 in the Coinbase Bazaar catalogue.

not claimed
valid 402 answers100%2 nightly probes, median 2,035 ms
payers, last 30 days5as the catalogue reports them
calls, last 30 days302 listed endpoints, from USD 0.001

payTo wallets this seller lists

A payment request from x402check.xyz to any other wallet is what a swapped or injected payTo looks like. The pay guard flags it before an agent signs.

networkwalletseen
eip155:13290xbf88b1f49b5e8ec386289341c4a5ee00bb0e01782026-10-20 to 2026-10-20
Polygon0xbf88b1f49b5e8ec386289341c4a5ee00bb0e01782026-10-20 to 2026-10-20
eip155:1430xbf88b1f49b5e8ec386289341c4a5ee00bb0e01782026-10-20 to 2026-10-20
eip155:421610xbf88b1f49b5e8ec386289341c4a5ee00bb0e01782026-10-20 to 2026-10-20
Base0xbf88b1f49b5e8ec386289341c4a5ee00bb0e01782026-10-20 to 2026-10-20
SolanaBofhoe2ye2adNQwZJtLepeKrBZq8CtHzRwPJXgWDH69X2026-10-20 to 2026-10-20

Is this your API?

Claim this page with one signature from your payTo wallet and a token on x402check.xyz. Free, no account. You get an email when your 402 stops answering, when a catalogue lists a wallet for your domain that you did not sign, or when a lookalike domain shows up, and agents using the pay guard see your wallet as verified by you.

Claim x402check.xyz

Data: Coinbase x402 Bazaar and Circle x402 discovery catalogues, Factline nightly probes (one paid endpoint called without paying). JSON: /v1/x402/seller?origin=x402check.xyz. All sellers: x402 Seller Health Index.