{"uid":"cap_hky_wtgTAoEwo9-rIaPR8","slug":"multi-chain-gas-oracle-eth-price-feed-a0393360","name":"Multi-Chain Gas Oracle – ETH Price Feed","description":"Live gas prices across Base, Ethereum, Arbitrum, and Optimism, plus ETH price, block number, gas prediction, and large Base whale transfers. Paid via x402 on Base mainnet.","url":"https://gas-optical-production-30aa.up.railway.app/eth-price?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"usd":3450.12,"timestamp":1710000000}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0001","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":"$0.0001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_llf6bspjqKnsZGNZ4Jtf9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current ETH/USD price and a timestamp, sourced from a live multi-chain gas and market data oracle.","exampleAgentPrompt":"What's the current ETH price in USD right now? I need the live market rate from the gas oracle.","exampleUseCases":[{"title":"DeFi swap cost estimator","prompt":"Before I approve this swap, what's ETH worth in USD right now so I can figure out how much I'm actually spending in dollar terms?"},{"title":"Trading bot price trigger","prompt":"Check the live ETH price every minute and alert me when it crosses $3,500 — I need the exact USD value and the timestamp of each reading."},{"title":"Portfolio valuation snapshot","prompt":"I'm calculating the current USD value of my ETH holdings — can you grab the latest ETH/USD price with its timestamp so I can multiply it against my balance?"}],"resultDescription":"A JSON object containing 'usd' (current ETH price as a float, e.g. 3450.12) and 'timestamp' (Unix epoch integer indicating when the price was fetched).","failureModes":["Payment not included or insufficient: 402 Payment Required response; agent must attach x402 USDC payment on Base mainnet","Upstream price feed outage: may return stale or error response","Rate limiting: repeated rapid calls may be throttled","Malformed response if railway deployment is restarting"],"whenToPreferThis":"Choose this endpoint when you need a live, pay-per-call ETH/USD price with a verifiable timestamp and no API key setup, especially in agentic workflows that already handle x402 micropayments on Base. It is part of a broader multi-chain gas oracle suite, making it ideal when you also need gas prices or whale data in the same session.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T00:30:47.076Z","isFirstParty":false,"canonicalSlug":"multi-chain-gas-oracle-eth-price-feed-a0393360"}