Sponge

api.paysponge.com, listed since 2026-10-20 in the Circle catalogue.

not claimed

valid 402 answers100%2 nightly probes, median 382 ms

payers, last 30 days0as the catalogue reports them

calls, last 30 days05 listed endpoints, from USD 0.02

payTo wallets this seller lists

A payment request from api.paysponge.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	`0x6302d9e6dbb22fec3c350551568bb39b4b35ad57` also listed by 6 other sellers	2026-10-20 to 2026-10-20
Solana	`9246XrsAEKH6hAyEQe5PvdpUL1p5Ktj9c7ySnwQn6ois` also listed by 6 other sellers	2026-10-20 to 2026-10-20

Shares a wallet with: 2captcha.x402.paysponge.com, fal.x402.paysponge.com, rentcast.x402.paysponge.com, screenshotone.x402.paysponge.com, tripadvisor.x402.paysponge.com, wolframalpha.x402.paysponge.com.

Is this your API?

Claim this page with one signature from your payTo wallet and a token on api.paysponge.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.paysponge.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.paysponge.com. All sellers: x402 Seller Health Index.