{"uid":"cap_5G366bZTzv8OzkiObzM40","slug":"fastapi-online-token-price-onchain-lookup-0744ee8b","name":"fastapi.online — Token Price Onchain Lookup","description":"Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.","url":"https://api.fastapi.online/token-price-onchain?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"address":{"type":"string"},"platform":{"type":"string"}}},"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_w0rlq_03R4aDIwoM9D6FN","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 the current on-chain token price for a given wallet address and blockchain platform","exampleAgentPrompt":"What is the current on-chain token price for the address 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on the Ethereum platform?","exampleUseCases":[{"title":"DeFi portfolio valuation","prompt":"Can you look up the current on-chain price for the token at address 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2 on Ethereum so I can value my portfolio?"},{"title":"Cross-chain price comparison","prompt":"Fetch the on-chain token price for address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on the Base platform — I want to compare it against another chain."},{"title":"Smart contract price oracle check","prompt":"What price is being reported on-chain for the token contract 0x6B175474E89094C44Da98b954EedeAC495271d0F on Ethereum right now?"}],"resultDescription":"Returns the current on-chain price of a token associated with the provided wallet or contract address on the specified blockchain platform, likely as a numeric price value with associated metadata such as currency denomination or timestamp.","failureModes":["Invalid or malformed address returns an error or empty result","Unsupported platform name returns an error","Address not found on the specified chain returns null or zero price","Network or RPC connectivity issues may cause timeouts","Rate limiting or payment failure returns 402 or 429 status"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call on-chain token price lookup without requiring an API key signup. Useful for agents needing real-time DeFi or blockchain token prices by contract address and platform, especially when integrating with crypto-native workflows that already use x402/USDC micropayments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T06:52:50.031Z","isFirstParty":false,"canonicalSlug":"fastapi-online-token-price-onchain-lookup-0744ee8b"}