{"uid":"cap_9Jd8WXRyuk4tbSJ53MJz4","slug":"vextorium-crypto-on-chain-price-usd-eur-1635d1aa","name":"Vextorium Crypto On-Chain Price (USD/EUR)","description":"558 pay-per-call data APIs for AI agents: Solana and EVM on-chain data, tokenized stocks, DeFi, Hyperliquid, economy and official statistics, FX, validation, web and developer tools. Pay in USDC via x402.","url":"https://api.vextorium.com/v1/crypto-price-onchain?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"currency":{"type":"string","description":"bitcoin, ethereum, usdc, usdt, dai, or a Base token address"}}},"responseSchema":{"type":"json","example":{"name":"BTC","source":"Chainlink Data Feeds (on-chain, Base)","price_eur":74043.7,"price_usd":84431.02}},"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":"down","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_5kv_H5O3Y-K-lL1BubAAK","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 and EUR price of a major cryptocurrency or Base-chain token using Chainlink on-chain data feeds.","exampleAgentPrompt":"What's the current on-chain price of Ethereum in USD and EUR right now, sourced from Chainlink on Base?","exampleUseCases":[{"title":"Live BTC price check for trading bot","prompt":"What is the current on-chain Bitcoin price in USD and EUR using Chainlink data feeds?"},{"title":"Base token valuation for portfolio tracker","prompt":"Can you look up the current price of this Base token at address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 in USD and EUR?"},{"title":"Stablecoin peg verification","prompt":"What is the current on-chain price of USDC in USD — I want to verify it's still holding its peg?"}],"resultDescription":"Returns a JSON object with the token name (e.g. 'BTC'), the data source (e.g. 'Chainlink Data Feeds (on-chain, Base)'), and the current price in both USD and EUR as floating-point numbers.","failureModes":["Unsupported currency string returns null price fields or an error","Invalid Base token contract address returns null or an error response","Chainlink feed temporarily unavailable may return null values","Network latency on Base chain may cause stale or delayed price data"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically verifiable, on-chain price sourced from Chainlink for Bitcoin, Ethereum, major stablecoins (USDC, USDT, DAI), or any token on the Base EVM chain — and you need both USD and EUR prices in a single call. Prefer this over off-chain REST price APIs when on-chain data provenance matters (e.g. DeFi automation, audit trails, or smart contract-adjacent workflows).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T20:23:23.310Z","isFirstParty":false,"canonicalSlug":"vextorium-crypto-on-chain-price-usd-eur-1635d1aa"}