{"uid":"cap_Y9Y5T1WRtbuxsq3dWVuZL","slug":"x402-valkyry-fr-gas-estimator-e12257f7","name":"x402.valkyry.fr Gas Estimator","description":"Current gas price (gwei) on Ethereum, Base, Arbitrum, Optimism or Polygon. Lets agents time and price on-chain transactions.","url":"https://x402.valkyry.fr/gas?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"network":{"type":"string","description":"ethereum | base | arbitrum | optimism | polygon (default ethereum)"}}},"responseSchema":{"type":"json","example":{"network":"eip155:1","gasPriceWei":"12300000000","gasPriceGwei":"12.3"}},"example":{"request":{"network":"base"},"response":{"network":"eip155:8453","fetchedAt":"2026-07-01T05:25:14.314Z","gasPriceWei":"6000000","gasPriceGwei":"0.006"}},"exampleRequest":{"network":"base"},"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_NsoZYHsU55p2M6vOn5yVk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current gas price data (in Wei and Gwei) for a specified EVM-compatible network such as Base, Ethereum, Arbitrum, Optimism, or Polygon.","exampleAgentPrompt":"What's the current gas price on the Base network — give me both the Wei and Gwei values?","exampleUseCases":null,"resultDescription":"A JSON object containing the EIP-155 network identifier (e.g. 'eip155:1'), the current gas price in Wei as a string, and the current gas price in Gwei as a decimal number.","failureModes":["Unsupported network string returns an error or defaults to Ethereum","Network RPC unavailable causes timeout or 5xx error","Stale gas data if underlying node is behind chain tip","Invalid input type for 'network' field returns validation error"],"whenToPreferThis":"Use this endpoint when an AI agent needs real-time gas price data for EVM-compatible chains (Base, Ethereum, Arbitrum, Optimism, Polygon) in a pay-per-call model via x402/USDC, without needing a full RPC provider subscription. Ideal for lightweight, single-call gas checks embedded in automated workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:08:00.300Z","isFirstParty":false,"canonicalSlug":"x402-valkyry-fr-gas-estimator-e12257f7"}