{"uid":"cap_bLFOpgUfNjHb21CrgX46Q","slug":"multi-chain-gas-snapshot-28180902","name":"Multi-chain Gas Snapshot","description":"Live gas snapshot for Base, Ethereum and BNB Smart Chain: gas price, base fee, block utilization, and estimated native cost of a transfer, ERC-20 transfer and swap.","url":"https://automaton-tx-explainer.vercel.app/v1/gas?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["chain"],"properties":{"chain":{"type":"string","pattern":"^(all|base|ethereum|bsc)$","description":"all | base | ethereum | bsc"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_W53bODfcsQEMnhzg1WQtu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live gas prices, base fees, block utilization, and estimated transfer costs for Base, Ethereum, and BNB Smart Chain.","exampleAgentPrompt":"What are the current gas prices and estimated transfer costs across Base, Ethereum, and BNB Smart Chain — including base fee and block utilization for each?","exampleUseCases":[{"title":"Cheapest chain for a token swap","prompt":"Which chain has the lowest gas fees right now for doing a swap — Base, Ethereum, or BNB Smart Chain? Show me the estimated cost in native tokens."},{"title":"Pre-flight gas check before a transaction","prompt":"Before I send my USDC on Ethereum, can you check the current gas price and tell me roughly how much an ERC-20 transfer will cost me right now?"},{"title":"Monitor Base network congestion","prompt":"How congested is the Base network at the moment? I want to know the current gas price, base fee, and block utilization before I decide when to transact."}],"resultDescription":"Returns a live snapshot per requested chain (or all three) including: current gas price (gwei), base fee (gwei), block utilization percentage, and estimated native-token cost of a standard ETH/BNB transfer, an ERC-20 token transfer, and a swap operation.","failureModes":["Invalid chain parameter — must be one of: all, base, ethereum, bsc","Upstream RPC node unavailable — snapshot data may be stale or request may fail","Payment not received or x402 protocol failure — call is rejected before data is returned","Network timeout if any chain's node is slow to respond"],"whenToPreferThis":"Use this endpoint when you need a real-time, multi-chain gas snapshot covering Base, Ethereum, and BNB Smart Chain in a single call, including actionable cost estimates for common operations (transfer, ERC-20 transfer, swap) rather than just a raw gas price. Prefer this over chain-specific gas APIs when comparing chains or when you need block utilization context alongside cost estimates.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T12:39:30.628Z","isFirstParty":false,"canonicalSlug":"multi-chain-gas-snapshot-28180902"}