{"uid":"cap_eh9R-ry5onN2rsY-MRENc","slug":"basebuilder-defi-gas-price-predictor-eb293346","name":"BaseBuilder DeFi Gas Price Predictor","description":"BaseBuilder Defi API hub - 22 paid endpoints","url":"https://bbx-defi.vercel.app/api/gas/predict?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.10757","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":"$0.10757/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.10757","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.10757","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_f3YF-jC_gw8XO_oyJACKa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.10757","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Predicts gas prices for Ethereum/EVM transactions using machine learning or heuristic models","exampleAgentPrompt":"Before I submit this Uniswap swap on Ethereum mainnet, can you predict the current gas price so I know if it's a good time to transact or if I should wait for fees to drop?","exampleUseCases":[{"title":"Timing a DeFi swap optimally","prompt":"I want to do a token swap on Ethereum but only if gas is under 30 gwei — can you predict the gas price right now and tell me whether it's a good time to execute?"},{"title":"Pre-flight check for NFT mint","prompt":"I'm about to mint an NFT on Ethereum mainnet — can you predict what gas fees will look like so I can decide whether to proceed now or wait?"},{"title":"Arbitrage bot gas budgeting","prompt":"My arbitrage bot needs a gas price forecast for Ethereum before deciding whether a trade is profitable — can you get the current predicted gas cost in gwei?"}],"resultDescription":"Returns a predicted gas price (likely in gwei) for EVM transactions, potentially including fast/standard/slow tier estimates, a confidence score, and a recommendation on whether current gas conditions are favorable for submitting a transaction.","failureModes":["Network or RPC unavailability causing stale or missing gas data","Invalid or unsupported network identifier returns 400 error","Payment not included or insufficient USDC causes 402 payment required","Model prediction timeout on high-load periods returning 503","Malformed request body returns 422 validation error"],"whenToPreferThis":"Use this endpoint when you need a forward-looking gas price prediction (not just the current mempool snapshot) before submitting a DeFi transaction on an EVM chain, especially when cost optimization or transaction timing matters. Prefer this over raw RPC eth_gasPrice calls when you want ML-assisted forecasting rather than an instantaneous reading.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T06:43:12.386Z","isFirstParty":false,"canonicalSlug":"basebuilder-defi-gas-price-predictor-eb293346"}