Arkham x402

api.arkm.com, listed since 2026-10-20 in the Coinbase Bazaar and Circle catalogues.

not claimed

valid 402 answers100%2 nightly probes, median 794 ms

payers, last 30 days18as the catalogue reports them

calls, last 30 days3146 listed endpoints, from USD 0.2

payTo wallets this seller lists

A payment request from api.arkm.com 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	`0x942bd3e3073543c674efc0c378d5bce20f9120c1`	2026-10-20 to 2026-10-20
Solana	`6bfN4hVbypmM1p4mV4qUpNushvm3W8GiAv1CrqEfiUdM`	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 api.arkm.com. 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 api.arkm.com

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