{"slug":"agent-tools-jbarkules-workers-dev-v1-chain-gas-1df419","title":"Gas estimate and fee quote for Base, Ethereum, Optimism, Arbitrum and Polygon","host":"agent-tools.jbarkules.workers.dev","method":"GET","resource":"https://agent-tools.jbarkules.workers.dev/v1/chain/gas","category":"market","description":"Gas estimate and fee quote for Base, Ethereum, Optimism, Arbitrum and Polygon: eth_estimateGas for your transaction (to, from, value, data) or a plain transfer if no 'to', current base fee, slow/standard/fast priority tips from recent blocks, max fee suggestions, L1 data fee on OP-stack chains and t","price_listed":0.002,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"chain":"base","data":"0x70a082310000000000000000000000000dea0030a17bf886543a757c55924710258c2eec","from":"0x0dEA0030A17BF886543a757c55924710258c2eec","to":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"chain":{"description":"Chain, default base","enum":["base","ethereum","optimism","arbitrum","polygon"],"type":"string"},"data":{"description":"Optional. 0x calldata","type":"string"},"from":{"description":"Optional. Sender address","type":"string"},"to":{"description":"Optional. Target address; omit for a plain native transfer quote","type":"string"},"value":{"description":"Optional. Value in wei","type":"string"}},"required":[],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Gas estimate and fee quote for Base, Ethereum, Optimism, Arbitrum and Polygon: eth_estimateGas for your transaction (to, from, value, data) or a plain transfer if no 'to', current base fee, slow/standard/fast priority tips from recent blocks, max fee suggestions, L1 data fee on OP-stack chains and total cost in native coin and USD (Chainlink price). Reports reverts instead of failing. Use before signing or to budget agent transactions.","last_updated":"2026-10-26T13:25:43.289Z","schemes":["exact"]}