{"uid":"cap_41QgCmzXmxa8myE789VH7","slug":"mint-intel-ethereum-eth-usd-price-feed-a36eb2d1","name":"Mint Intel: Ethereum ETH/USD Price Feed","description":"ETH/USD read straight from Ethereum state, no CEX or API key: the Chainlink ETH/USD feed (latestRoundData) plus the Uniswap v3 WETH/USDC 0.05% pool spot price in one RPC batch. Median of fresh sources, per-source price, feed age and round, spread in bps.","url":"https://mintintel.35-171-220-195.sslip.io/v1/eth/eth-usd?utm_source=zero.xyz","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}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["pair","price","sources"],"properties":{"pair":{"type":"string"},"price":{"type":"number"},"sources":{"type":"array"}}}}}}},"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_J5i8N9nnrOnQ3OxcI9hza","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 a median ETH/USD price derived from on-chain Ethereum sources — Chainlink latestRoundData and Uniswap v3 WETH/USDC spot — in a single RPC batch, with per-source breakdown, feed age, round info, and spread in basis points.","exampleAgentPrompt":"What's the current ETH/USD price from on-chain Ethereum sources right now — give me the Chainlink and Uniswap v3 prices, the median, and how wide the spread is?","exampleUseCases":[{"title":"DeFi arbitrage spread monitoring","prompt":"Check the current ETH/USD spread between Chainlink and Uniswap v3 on Ethereum mainnet — I want to know if there's a meaningful basis-point gap between the two sources right now."},{"title":"On-chain price freshness audit","prompt":"Pull the latest Chainlink ETH/USD round data from Ethereum — I need the feed age and round number to verify the price isn't stale before we execute a trade."},{"title":"CEX-free portfolio valuation","prompt":"What's the median ETH price in USD right now using only on-chain Ethereum data, no exchange APIs? I need it for a real-time portfolio value calculation."}],"resultDescription":"A JSON object containing: the trading pair label (ETH/USD), a single median price number, and an array of per-source entries each with their price, source name (Chainlink or Uniswap v3), feed age in seconds, round ID (for Chainlink), and spread between sources expressed in basis points.","failureModes":["Ethereum RPC node unavailable or rate-limited — returns a 5xx error","Chainlink feed data is stale beyond acceptable threshold — may surface in feed age field","Uniswap v3 pool liquidity too thin to return a reliable spot — possible outlier price","Network congestion causing RPC batch timeout","Payment not processed (x402) — request rejected before execution"],"whenToPreferThis":"Prefer this endpoint when you need ETH/USD price data sourced entirely from Ethereum on-chain state with no reliance on centralized exchanges or third-party price APIs, and when you want both Chainlink oracle data and Uniswap v3 DEX spot price in a single call with a pre-computed median and spread. Ideal for DeFi agents, smart contract parameter setting, arbitrage monitoring, or any workflow requiring trustless, verifiable price data on Ethereum mainnet.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:44.818Z","isFirstParty":false,"canonicalSlug":"mint-intel-ethereum-eth-usd-price-feed-a36eb2d1"}