{"slug":"md-fastdb-in-pulse-gas-73f97b","title":"Live gas on Ethereum, Base, Arbitrum, Optimism, Polygon — base fee, priority fee","host":"md.fastdb.in","method":"POST","resource":"https://md.fastdb.in/pulse/gas","category":"market","description":"Live gas on Ethereum, Base, Arbitrum, Optimism, Polygon — base fee, priority fee tiers, and USD transfer cost, straight from chain RPC.","price_listed":0.001,"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":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"chains":["base","ethereum"]},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{}},"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":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Live gas on Ethereum, Base, Arbitrum, Optimism, Polygon — base fee, priority fee tiers, and USD transfer cost, straight from chain RPC.","last_updated":"2026-10-09T13:34:26.475Z","schemes":["exact"]}