{"uid":"cap_sjNjxD2VJlSitHSJ63Gny","slug":"booaip-multi-chain-gas-price-checker-1af2fe58","name":"booAIP Multi-Chain Gas Price Checker","description":"Pay-per-call crypto/web3 data for AI agents. USDC via x402 on Base.","url":"https://booaip.vercel.app/api/gas-multi","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"chains":{"type":"array","items":{"type":"string"},"description":"Chains to check: eth, bnb, base. Defaults to all three."}}},"responseSchema":{"type":"json","example":{"count":3,"chains":[{"chain":"base","gasPriceGwei":0.05}],"cheapestChain":"base"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GUYx9Bj7YmOv1a4d0YzhO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current gas prices in gwei for Ethereum, BNB Chain, and Base simultaneously, identifying the cheapest chain","exampleAgentPrompt":"Check gas prices across Ethereum, BNB Chain, and Base right now and tell me which one is cheapest to transact on.","exampleUseCases":[{"title":"Route transaction to cheapest chain","prompt":"I want to send some tokens — check gas on ETH, BNB, and Base and tell me which chain is the cheapest right now so I know where to execute."},{"title":"DeFi yield farming cost check","prompt":"Before I move funds into a yield pool, check gas prices on Ethereum, BNB Chain, and Base so I can figure out which network gives me the best net return after fees."},{"title":"Real-time chain selection for agent","prompt":"My agent is about to execute a swap — pull the current gas prices for ETH, BNB, and Base and pick the cheapest chain for me."}],"resultDescription":"A JSON object containing the count of chains checked, an array of each chain's current gas price in gwei, and the name of the cheapest chain (e.g. {count:3, chains:[{chain:'base',gasPriceGwei:0.05},...], cheapestChain:'base'}).","failureModes":["Invalid chain name in array returns error or omits that chain","RPC node unavailability may cause stale or missing gas data for one chain","Empty chains array may default to all three or return empty result","Network timeout if on-chain reads are slow","Malformed JSON response if upstream RPC is degraded"],"whenToPreferThis":"Prefer this endpoint when you need to compare gas prices across Ethereum, BNB Chain, and Base simultaneously in a single call, rather than making separate per-chain requests. Ideal for agents that need to route transactions or DeFi operations to the cheapest available EVM chain at the moment of execution.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:46:10.509Z","isFirstParty":false}