{"slug":"chain-cyberwarex-com-gas-compare-d5919c","title":"Live gas across Base, Ethereum, Arbitrum, Optimism and Polygon in ONE call, sort","host":"chain.cyberwarex.com","method":"GET","resource":"https://chain.cyberwarex.com/gas-compare","category":"code","description":"Live gas across Base, Ethereum, Arbitrum, Optimism and Polygon in ONE call, sorted cheapest first: gas price, base fee, median priority fee and the estimated USD cost of a 21k-gas transfer and a 200k-gas swap on each chain. Lets an agent pick the cheapest chain to execute on, or size a fee, without ","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":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"additionalProperties":false,"properties":{},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"chains":{"items":{"properties":{"base_fee_gwei":{"type":["number","null"]},"chain":{"type":"string"},"error":{"type":"string"},"est_cost":{"type":"object"},"gas_price_gwei":{"type":"number"},"native":{"type":"string"},"native_usd":{"type":["number","null"]},"priority_fee_gwei":{"type":["object","null"]}},"type":"object"},"type":"array"},"cheapest":{"description":"Chain with the lowest USD cost for a 21k transfer.","type":"string"},"count":{"type":"integer"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Live gas across Base, Ethereum, Arbitrum, Optimism and Polygon in ONE call, sorted cheapest first: gas price, base fee, median priority fee and the estimated USD cost of a 21k-gas transfer and a 200k-gas swap on each chain. Lets an agent pick the cheapest chain to execute on, or size a fee, without five separate RPC calls. 10-second cache.","last_updated":"2026-10-21T09:02:51.813Z","schemes":["exact"]}