Data Lookup API

x402-seller.onrender.com · x402

Check a wallet's live balance on Base mainnet: native ETH (e.g. to confirm it has enough for gas) plus an optional ERC20 token balance (e.g. USDC) when a token contract address is supplied. Sourced from Base's official public RPC.

Name and description as published by x402 Bazaar

Live

Last successful check: 25 Oct 2026, 19:12 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

How addrbook checks →

Connect

https://x402-seller.onrender.com/chain/balance

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 25 Oct, 19:50 UTC
Wallets named: 0xbd61dfb01f81c91f02b0ccd51b0220e0c8918639named by x402 Bazaar
Listed since: 25 Oct 2026, 17:50 UTC

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
x402-seller.onrender.com	x402	Live	25 Oct, 19:12	25 Oct, 19:12	100%	100%	—

Also listed as

Other entries that share an endpoint with this one.

x402-seller.onrender.com