{"uid":"cap_ppbBIqNeWsYv_ANOi42nB","slug":"coin-railz-gas-price-oracle-b9eaa700","name":"Coin Railz Gas Price Oracle","description":"Real-time gas prices for multiple chains with USD cost estimates","url":"https://coinrailz.com/x402/service/gas-price-oracle","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chains":{"type":"array","description":"Chains to check (optional, default: all)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-V5Z0Bo-J56M83N-2HvJJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time gas prices for multiple blockchain networks with USD cost estimates","exampleAgentPrompt":"What are the current gas prices on Ethereum, Polygon, and Arbitrum right now, and how much would a typical transaction cost in USD on each?","exampleUseCases":null,"resultDescription":"Returns real-time gas prices (in native units like gwei) for each requested blockchain network along with estimated USD cost per transaction, enabling cost comparison across chains.","failureModes":["Unsupported chain identifier returns error or is omitted from results","Network congestion may cause stale or unavailable gas data for specific chains","Payment failure (insufficient USDC balance) results in 402 error before data is returned","Empty chains array may return all supported chains or an error depending on implementation"],"whenToPreferThis":"Use this endpoint when an agent needs real-time, multi-chain gas price data with USD cost estimates in a single call — particularly useful for DeFi automation, cross-chain routing decisions, or cost-optimization workflows where knowing the cheapest network to transact on is critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:46:39.792Z","isFirstParty":false}