{"uid":"cap_VQVWWlaqATgVS30Ikk5Eq","slug":"x402-asset-price-api-10005b67","name":"x402 Asset Price API","description":"Paid API endpoints for prices, weather, FX, news, gas, dominance, fear/greed, ATH, and more","url":"https://x402-api-production-bd43.up.railway.app/price?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"coin":{"type":"string","description":"Coin ID (default: bitcoin)"}}},"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_ar9fKou3mbkoj-DEoRqa7","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 market price for a given asset symbol (e.g. BTC, ETH, stocks) via a pay-per-call x402 micropayment endpoint","exampleAgentPrompt":"What's the current price of BTC right now? Use the x402 price API to look it up — it costs $0.01 USDC per call.","exampleUseCases":[{"title":"Crypto portfolio value check","prompt":"What's the current price of ETH? I want to know what my holdings are worth today."},{"title":"Trading bot price feed","prompt":"Fetch the latest price for BTC and tell me if it's above $70,000 — I'm deciding whether to trigger a buy order."},{"title":"DeFi arbitrage monitor","prompt":"What's the current market price of SOL? I need a fresh quote to compare against an on-chain DEX price."}],"resultDescription":"Returns the current market price for the requested asset symbol, likely as a numeric value with currency denomination (e.g. USD price of BTC). Exact response schema may include price, symbol, timestamp, and currency fields.","failureModes":["Missing or invalid symbol parameter returns an error","Payment failure (insufficient USDC balance or x402 protocol error) blocks the request","Unknown or unsupported asset symbol may return a not-found or empty result","Stale data if the underlying price feed has a lag","Rate limiting or infrastructure downtime on the Railway-hosted service"],"whenToPreferThis":"Choose this endpoint when you need a quick, cheap per-call asset price lookup and are operating in an x402-compatible micropayment environment. At $0.01 USDC per call it is cost-effective for occasional or agent-driven queries. Prefer this over subscription-based data providers when you want pay-as-you-go pricing with no API key setup, or when building agents that handle their own payments autonomously via the x402 protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:42:34.525Z","isFirstParty":false,"canonicalSlug":"x402-asset-price-api-10005b67"}