{"uid":"cap_f6iYxdsT9DmIjToKmSk_X","slug":"financial-data-x402-crypto-market-overview-dfd371e9","name":"Financial Data x402 – Crypto Market Overview","description":"Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.","url":"https://x402financialdata.com/crypto-market-overview","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"as_of":"2026-08-09T12:00:00Z","markets":1505,"dominance_pct":{"BTC":56.6544,"ETH":10.0472,"USDT":7.9355},"total_market_cap_usd":2307253683612.41,"total_volume_24h_usd":32340223811.31,"active_cryptocurrencies":18284,"market_cap_change_pct_24h":0.1532}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_uOOU9deAChoQ3g4H74Llu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a real-time global cryptocurrency market snapshot including total market cap, 24h volume, BTC/ETH dominance, and active coin count, paid per-call via x402/USDC.","exampleAgentPrompt":"Give me a real-time global crypto market overview — total market cap, 24-hour volume, how much Bitcoin and Ethereum dominate, and how many active coins there are right now.","exampleUseCases":[{"title":"Morning crypto market briefing","prompt":"Pull me a quick snapshot of the overall crypto market right now — total market cap, 24h volume, and Bitcoin's dominance percentage so I can start my morning briefing."},{"title":"Portfolio rebalancing market check","prompt":"Before I rebalance my portfolio, can you check the current global crypto market cap, BTC dominance, and whether the market is up or down in the last 24 hours?"},{"title":"Automated market alert monitoring","prompt":"Every hour, fetch the current total crypto market cap and BTC dominance and alert me if the market cap drops more than 2% compared to the last reading."}],"resultDescription":"A JSON object containing: as_of (ISO 8601 timestamp), total_market_cap_usd (global crypto market cap in USD), total_volume_24h_usd (24-hour trading volume in USD), dominance_pct object with BTC/ETH/USDT percentage shares, active_cryptocurrencies (count of active coins), markets (number of markets tracked), and market_cap_change_pct_24h (percentage change in market cap over the last 24 hours).","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 Payment Required","Network/USDC payment settlement failure — call must be retried with valid x402 payment header","Upstream data provider unavailable — may return 503 or stale/empty data","Malformed request — returns 400 if required headers are missing"],"whenToPreferThis":"Choose this endpoint when you need a fast, no-subscription, pay-per-call global crypto market overview without managing API keys. It is ideal for agents that need occasional or infrequent market snapshots (cost-efficient at $0.005/call), and for workflows that operate on Base or Solana USDC. Prefer this over subscription-based data APIs when call volume is low or unpredictable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:36:08.987Z","isFirstParty":false}