{"uid":"cap_d4_UxxP8n1EdohX8pFeHd","slug":"synapse-global-crypto-market-overview-5b82cfaa","name":"Synapse Global Crypto Market Overview","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/global-market?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"btc_dominance_pct":54.2,"total_market_cap_usd":2400000000000,"active_cryptocurrencies":22501}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_gGwRRoSzCDaWOD_CbQuqG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a global cryptocurrency market snapshot including BTC dominance percentage, total market cap in USD, and count of active cryptocurrencies.","exampleAgentPrompt":"What's the current global crypto market cap, Bitcoin dominance percentage, and how many active cryptocurrencies are there right now?","exampleUseCases":[{"title":"Morning crypto market briefing","prompt":"Give me a quick global crypto market snapshot — what's the total market cap, BTC dominance, and how many active coins are there today?"},{"title":"Portfolio rebalancing market context","prompt":"Before I rebalance my crypto portfolio, can you pull the latest global market stats — especially Bitcoin's dominance percentage and the total market cap?"},{"title":"Crypto market trend monitoring","prompt":"Has Bitcoin's market dominance changed significantly? Pull the latest global crypto market overview so I can see where BTC stands relative to the whole market."}],"resultDescription":"A JSON object containing: btc_dominance_pct (Bitcoin's share of total crypto market cap as a percentage, e.g. 54.2), total_market_cap_usd (total crypto market capitalization in USD, e.g. 2.4 trillion), and active_cryptocurrencies (count of actively traded cryptocurrencies, e.g. 22501).","failureModes":["Payment failure if USDC balance insufficient on Base network","Upstream data provider unavailable — may return 503 or stale data","Rate limiting if too many calls in short succession","DuckDNS dynamic hostname may occasionally resolve incorrectly"],"whenToPreferThis":"Choose this endpoint when you need a fast, no-account, no-API-key global crypto market summary paid per-call in USDC via x402 on Base. Ideal for agents that need lightweight macro crypto context (BTC dominance, total market cap, active coin count) without subscribing to a full market data plan. Not suitable if you need per-coin prices, historical data, or granular altcoin breakdowns.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:49.738Z","isFirstParty":false,"canonicalSlug":"synapse-global-crypto-market-overview-5b82cfaa"}