{"uid":"cap_B-HQbD4pgfepR5U2cSdze","slug":"cra-agent-gas-fee-forecast-c2fcd6f8","name":"CRA Agent Gas Fee Forecast","description":"Base fee now and next block, 24h band, utilisation trend, cost per operation type","url":"https://api.cra-agent.tech/v1/paid/fees/forecast","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","properties":{}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_I7_Hg7wtygbEtXzzVJ2jg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x3600000000000000000000000000000000000000","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current and next-block base fee, 24-hour fee band, utilisation trend, and cost per operation type for Ethereum gas fee forecasting","exampleAgentPrompt":"What are the current Ethereum base fees — give me the current and next-block base fee, the 24-hour high/low band, network utilisation trend, and estimated cost for common operation types like ETH transfers and ERC-20 swaps.","exampleUseCases":[{"title":"Pre-transaction gas cost check","prompt":"Before I submit this Ethereum transaction, what's the current base fee and what's it expected to be next block? I want to know if I should wait or submit now."},{"title":"DeFi bot fee optimisation","prompt":"What's the 24-hour gas fee band and current network utilisation trend on Ethereum? I need to decide the best time window to run my arbitrage transactions today."},{"title":"Gas cost breakdown by operation","prompt":"Show me the current gas fee forecast including cost per operation type — I want to know exactly how much an ETH transfer, a token swap, and a contract interaction would cost me right now."}],"resultDescription":"Returns a JSON object containing: current base fee (in gwei or USDC), next block base fee estimate, 24-hour fee band (min/max), network utilisation trend, and cost per operation type (e.g. ETH transfer, ERC-20 transfer, contract interaction).","failureModes":["Missing or invalid authentication/payment header returns 402 Payment Required","Network connectivity issues to blockchain node returns 503 Service Unavailable","Stale data if underlying RPC provider has head lag returns outdated fee values","Rate limiting if too many requests in quick succession returns 429 Too Many Requests"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive gas fee forecast in a single call — combining current base fee, next-block prediction, 24-hour band context, utilisation trend, and per-operation cost breakdowns. Prefer over simple gas price APIs when you need historical context (24h band) alongside real-time data, or when you need cost estimates broken down by transaction type rather than a single gas price figure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-19T12:33:00.666Z","isFirstParty":false}