{"slug":"2s-io-api-crypto-balances-69a51c","title":"Live native + ERC-20 token balances for an EVM address (Base, Ethereum, Polygon,","host":"2s.io","method":"GET","resource":"https://2s.io/api/crypto/balances","category":"market","description":"Live native + ERC-20 token balances for an EVM address (Base, Ethereum, Polygon, Arbitrum, Optimism; keyless). Returns the native-coin balance and, for any ERC-20 contract addresses you pass, the symbol, decimals, raw and human-formatted balance — fetched in one multicall. For wallet dashboards, tre","price_listed":0.0036,"price_asked":0.0036,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":268,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"example","chain":"base","tokens":"example"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"const":"GET"},"queryParams":{"additionalProperties":false,"properties":{"address":{"description":"EVM address to read.","type":"string"},"chain":{"description":"Default base.","enum":["base","ethereum","polygon","arbitrum","optimism"],"type":"string"},"tokens":{"description":"Comma-separated ERC-20 contract addresses (max 20).","maxLength":900,"type":"string"}},"required":["address"],"type":"object"},"type":{"const":"http"}},"required":["type","method","queryParams"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-10","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.0036,"price_match":true,"latency_ms":268,"error":null}],"description_full":"Live native + ERC-20 token balances for an EVM address (Base, Ethereum, Polygon, Arbitrum, Optimism; keyless). Returns the native-coin balance and, for any ERC-20 contract addresses you pass, the symbol, decimals, raw and human-formatted balance — fetched in one multicall. For wallet dashboards, treasury checks, and agent payment/settlement flows.","last_updated":"2026-10-05T14:01:16.609Z","schemes":["exact"]}