pro-api.coinmarketcap.com

pro-api.coinmarketcap.com, listed since 2026-10-11 in the Coinbase Bazaar catalogue.

not claimed

valid 402 answers100%11 nightly probes, median 360 ms

payers, last 30 days19as the catalogue reports them

calls, last 30 days1423 listed endpoints, from USD 0.01

payTo wallets this seller lists

A payment request from pro-api.coinmarketcap.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
eip155:56	`0x3c5f3a6ce224bb89d72f5eb4232ecc27f67b3eea`	2026-10-20 to 2026-10-20
Base	`0x3c5f3a6ce224bb89d72f5eb4232ecc27f67b3eea`	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 pro-api.coinmarketcap.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 pro-api.coinmarketcap.com

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