{"resource":"https://x402-echo-service.onrender.com/chain/eth-balance","service":"Native Balance","areas":["onchain_reads"],"answering":true,"http_status":402,"latency_ms":146,"price_usdc":0.001,"buyers_30d":1,"calls_30d":1,"description":"Read the native ETH balance of an address on Base. POST {\"address\":\"0x...\"} and receive the balance in wei and in ether. Live chain state read directly from a node, with no indexer lag and no API key.","id":"bb7540ed6af5","category":"Blockchain reads","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/bb7540ed6af5"}