{"slug":"lotusnetworkapi-com-api-v1-gas-preflight-50b4b4","title":"Read-only Base L2 gas conditions computed directly from chain data","host":"lotusnetworkapi.com","method":"GET","resource":"https://lotusnetworkapi.com/api/v1/gas/preflight","category":"other","description":"Read-only Base L2 gas conditions computed directly from chain data: current base fee, recent percentiles, realised volatility, congestion state, and an 80% forecast range for a chosen horizon. This is supporting context for timing a transaction, not a trade instruction. Every figure is reproducible ","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":539,"reported_calls_30d":6,"reported_payers_30d":6,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"horizonMinutes":5},"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":{"horizonMinutes":{"description":"Forecast horizon in minutes (1-60)","type":"integer"}},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"block":{"type":"number"},"chain":{"type":"string"},"current":{"description":"baseFeeGwei, congestion, gasUsedRatio","type":"object"},"forecast":{"description":"centerGwei, lowGwei, highGwei, targetBlock, interval","type":"object"},"observedAt":{"type":"string"},"recent":{"description":"medianGwei, p10Gwei, p90Gwei, volatility, blocks","type":"object"},"success":{"type":"boolean"}},"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":0.002,"price_match":true,"latency_ms":539,"error":null}],"description_full":"Read-only Base L2 gas conditions computed directly from chain data: current base fee, recent percentiles, realised volatility, congestion state, and an 80% forecast range for a chosen horizon. This is supporting context for timing a transaction, not a trade instruction. Every figure is reproducible from public Base RPC data.","last_updated":"2026-09-20T21:32:08.275Z","schemes":["exact"]}