{"resource":"https://x402-seller.onrender.com/chain/balance","service":"Data Lookup API","areas":["onchain_reads"],"answering":true,"http_status":402,"latency_ms":171,"price_usdc":0.012,"buyers_30d":3,"calls_30d":3,"description":"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.","id":"1d930c43bbe2","category":"Blockchain reads","checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/1d930c43bbe2"}