SchemaCheck Agent

projectx402-production.up.railway.app, listed since 2026-10-15 in the Coinbase Bazaar catalogue.

not claimed

valid 402 answers100%2 nightly probes, median 8,089 ms

payers, last 30 days4as the catalogue reports them

calls, last 30 days51 listed endpoints, from USD 0.002

payTo wallets this seller lists

A payment request from projectx402-production.up.railway.app 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	`0x8fc4006534801c17a3368075a1fb3b3c511edb1f` also listed by 2 other sellers	2026-10-20 to 2026-10-20

Shares a wallet with: web-production-2d1051.up.railway.app, web-production-78e17.up.railway.app.

Is this your API?

Claim this page with one signature from your payTo wallet and a token on projectx402-production.up.railway.app. 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 projectx402-production.up.railway.app

Data: Coinbase x402 Bazaar and Circle x402 discovery catalogues, Factline nightly probes (one paid endpoint called without paying). JSON: /v1/x402/seller?origin=projectx402-production.up.railway.app. All sellers: x402 Seller Health Index.