{"uid":"cap_MBv2LbZailQ_BPxIgmwnS","slug":"x402-crypto-price-api-96f62893","name":"x402 Crypto Price API","description":"Agent-commerce trust/audit API for x402 challenge correctness, receipts, replay/context binding, failed payout triage, mandate readiness, and MCP/A2A discoverability.","url":"https://x402.167-172-95-184.nip.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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"prices":{"BTC":{"usd":100000,"market_cap":1980000000000,"change_24h_pct":1.23},"ETH":{"usd":3500,"market_cap":420000000000,"change_24h_pct":-0.42}},"network":"base","timestamp":1780000000},"description":"Current BTC and ETH USD prices with 24h change and market caps."},"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_SaE7W03lGXY-P_Yx09-oA","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 current BTC and ETH USD prices, 24h percentage change, and market caps in a single pay-per-call request via x402/USDC","exampleAgentPrompt":"What are the current prices of Bitcoin and Ethereum in USD, along with their 24-hour percentage changes and market caps?","exampleUseCases":null,"resultDescription":"A JSON object containing current USD prices, market capitalizations, and 24-hour percentage change for BTC and ETH, plus the network (Base) and a Unix timestamp for the data snapshot.","failureModes":["Payment not included or insufficient USDC triggers HTTP 402 Payment Required","Invalid or missing x402 payment header returns 402 with payment details","Network issues with Base blockchain may delay payment settlement","Rate limiting if payment is not confirmed in time","Stale price data if upstream price oracle is delayed"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, agent-native, pay-as-you-go crypto price feed for BTC and ETH without a subscription. Ideal for AI agents that handle microtransactions via x402/USDC on Base and need real-time price snapshots with market cap and 24h change included in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:39:24.245Z","isFirstParty":false}