base-chain-gas-oracle

market.561.group, listed since 2026-10-20 in the Coinbase Bazaar catalogue.

not claimed

valid 402 answers100%2 nightly probes, median 1,511 ms

payers, last 30 days5as the catalogue reports them

calls, last 30 days3014 listed endpoints, from USD 0.001

payTo wallets this seller lists

A payment request from market.561.group to any other wallet is what a swapped or injected payTo looks like. The pay guard flags it before an agent signs.

network	wallet	seen
Base	`0x32886f6f361c1d570255c2762967a2e41d0e9b1a`	2026-10-20 to 2026-10-20

Is this your API?

Claim this page with one signature from your payTo wallet and a token on market.561.group. 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 market.561.group

Data: Coinbase x402 Bazaar and Circle x402 discovery catalogues, Factline nightly probes (one paid endpoint called without paying). JSON: /v1/x402/seller?origin=market.561.group. All sellers: x402 Seller Health Index.