{"uid":"cap_y2jT9TLZCpwjMNaV2HebO","slug":"aether-base-token-price-lookup-55454968","name":"Aether Base Token Price Lookup","description":"Pay-per-call Base onchain data, token risk verdicts and x402 payability audits over x402 (USDC on Base).","url":"https://aether-x402.vercel.app/v1/base/price?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"token":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$"}}},"responseSchema":{"type":"json","example":{"symbol":"AERO","bestPool":{"dex":"aerodrome"},"priceUsd":0.81,"liquidityUsd":47000000}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_c1UX_sBqdHZr4xbacLGzN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","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 price and best liquidity pool for a given ERC-20 token contract address on the Base blockchain.","exampleAgentPrompt":"What's the current onchain USD price and best liquidity pool for the Base token at contract address 0x940181a94A35A4569E4529A3CDfB74e38FD98631?","exampleUseCases":[{"title":"DeFi portfolio token valuation","prompt":"I hold some AERO tokens on Base — can you look up the current USD price and liquidity for contract 0x940181a94A35A4569E4529A3CDfB74e38FD98631 so I can see what my position is worth?"},{"title":"DEX arbitrage opportunity check","prompt":"Check the onchain price and best pool for the Base token at 0x4200000000000000000000000000000000000006 — I want to know which DEX has the deepest liquidity right now."},{"title":"New token listing due diligence","prompt":"Before I buy into this new Base token at 0xd9aAEc86B65D86f6A7B5B1b0c42FFA531710b6CA, can you pull its current USD price and how much liquidity it has on Base DEXes?"}],"resultDescription":"Returns a JSON object containing the token's ticker symbol, current USD price, the name of the best DEX pool (e.g. Aerodrome), and total liquidity in USD for that pool.","failureModes":["Invalid or non-ERC-20 contract address returns an error or empty result","Token not traded on any Base DEX returns no price data","Payment failure via x402/USDC results in 402 response blocking data access","Newly deployed tokens with insufficient liquidity may return null or zero values","Incorrect address format (not matching ^0x[0-9a-fA-F]{40}$) returns a validation error"],"whenToPreferThis":"Use this endpoint when you need real-time onchain token price and liquidity data specifically for Base network ERC-20 tokens, paid per-call via x402/USDC micropayment. Prefer this over centralized price APIs when you need trustless, DEX-sourced pricing without a subscription, or when building agents that autonomously pay for data using USDC on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:43:40.975Z","isFirstParty":false,"canonicalSlug":"aether-base-token-price-lookup-55454968"}