vaults.fyi

api.vaults.fyi, listed since 2026-10-11 in the Coinbase Bazaar and Circle catalogues.

not claimed

valid 402 answers90.9%11 nightly probes, median 1,168 ms

payers, last 30 days6as the catalogue reports them

calls, last 30 days336 listed endpoints, from USD 0.002

payTo wallets this seller lists

A payment request from api.vaults.fyi 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	`0x108bcd8a07c3fdfca3aa500784a8573123a1029f`	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.vaults.fyi. 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.vaults.fyi

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