{"uid":"cap_5epgVHLrEUJ-ySWtQ9IaA","slug":"on-chain-usd-spot-price-lookup-chainlink-base-dex-80e7750a","name":"On-Chain USD Spot Price Lookup (Chainlink / Base DEX)","description":"On-chain USD spot price of a token from Chainlink feeds or the most-liquid Base DEX pool (computed from public chain state).","url":"https://webtools402.176-109-107-191.sslip.io/price","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["token"],"properties":{"token":{"type":"string","description":"Symbol to price. Crypto e.g. ETH, BTC, SOL, XRP, DEGEN. Stablecoin e.g. USDT, USDC, USDe. Forex e.g. EUR, GBP, JPY. Metal e.g. XAU (gold), XAG (silver)."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hJzEVGXTZJHzieWC67rSD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current USD spot price of a token using Chainlink price feeds or the most-liquid Base DEX pool computed from on-chain state.","exampleAgentPrompt":"What's the current on-chain USD spot price of AERO? Use Chainlink or the Base DEX pool to look it up.","exampleUseCases":null,"resultDescription":"The current USD spot price of the requested token, sourced from Chainlink price feeds or the most-liquid Base DEX pool, derived from live on-chain state.","failureModes":["Unsupported or unknown token symbol returns an error or empty result","Token not listed on Chainlink or any liquid Base DEX pool may have no price available","Network issues or RPC node latency may delay or fail the on-chain lookup","Malformed token symbol parameter returns a validation error"],"whenToPreferThis":"Use this endpoint when you need a trustworthy, on-chain-derived USD spot price for a token — especially for tokens in the Base ecosystem or those with Chainlink feeds — rather than relying on a centralized exchange API or off-chain aggregator. Ideal for DeFi agents, portfolio trackers, or any workflow that requires verifiable price data sourced from public blockchain state.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:30:46.264Z","isFirstParty":false}