{"slug":"agent402-tools-api-evm-rpc-976689","title":"Read-only JSON-RPC against Ethereum, Base, Polygon, Arbitrum, or Optimism with b","host":"agent402.tools","method":"POST","resource":"https://agent402.tools/api/evm-rpc","category":"code","description":"Read-only JSON-RPC against Ethereum, Base, Polygon, Arbitrum, or Optimism with built-in multi-endpoint failover - one paid call, no node or API key of your own. Prefer the named reads (block-number, chain-info, block-info, event-logs, erc721-owner, contract-code) for common tasks - they validate inp","price_listed":0.004,"price_asked":0.004,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":931,"reported_calls_30d":6,"reported_payers_30d":1,"networks":["algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=","eip155:10","eip155:1329","eip155:137","eip155:143","eip155:42161","eip155:42220","eip155:43114","eip155:4663","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","stellar:pubnet"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"method":"eth_blockNumber","network":"base","params":[]},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"method":{"description":"Whitelisted read-only JSON-RPC method (e.g. eth_blockNumber, eth_getBalance, eth_call).","type":"string"},"network":{"description":"ethereum / base / polygon / arbitrum / optimism (default base).","type":"string"},"params":{"description":"JSON-RPC positional parameter array (default []). Max 8 entries, 4KB serialized. eth_call's block parameter defaults to \"latest\".","type":"array"}},"required":["method"]},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"method":{"type":"string"},"network":{"type":"string"},"result":{"type":"string"}},"required":["network","method","result"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.004,"price_match":true,"latency_ms":931,"error":null}],"description_full":"Read-only JSON-RPC against Ethereum, Base, Polygon, Arbitrum, or Optimism with built-in multi-endpoint failover - one paid call, no node or API key of your own. Prefer the named reads (block-number, chain-info, block-info, event-logs, erc721-owner, contract-code) for common tasks - they validate inputs and cost less; use this when you need a whitelisted method they do not wrap.","last_updated":"2026-09-22T11:47:42.622Z","schemes":["exact","upto"]}