{"uid":"cap_dW1pvPx_ddfbqNHzHtIKf","slug":"basebuilder-crypto-gas-recommendation-8cf7d6a0","name":"BaseBuilder Crypto Gas Recommendation","description":"BaseBuilder Crypto API hub - 26 paid endpoints","url":"https://bb-crypto.vercel.app/api/gas/recommendation","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.107314","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":"$0.107314/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.107314","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.107314","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qU8QrP5mgo6Rzu6Th_vCu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.107314","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns gas price recommendations for Ethereum/EVM transactions based on current network conditions","exampleAgentPrompt":"What gas price should I use for a standard ETH transfer right now — give me a recommendation for fast confirmation without overpaying.","exampleUseCases":null,"resultDescription":"Returns recommended gas fee tiers (e.g. slow, standard, fast) with corresponding base fee and priority fee values in Gwei, and estimated confirmation times or costs for EVM transactions.","failureModes":["Network unavailable — upstream RPC node unreachable, returns 5xx error","Invalid network specified — returns 400 with unsupported chain message","Payment not received — returns 402 Payment Required if x402 payment header missing or invalid","Rate limit exceeded — too many requests in a short window"],"whenToPreferThis":"Use this endpoint when you need real-time gas fee recommendations for EVM-compatible chains and want tiered suggestions (slow/standard/fast) to help users optimize transaction costs. Prefer this over manual RPC calls when you need a curated, monetized recommendation rather than raw fee history data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:45:10.055Z","isFirstParty":false}