{"uid":"cap__WDYN6Y3mA2Ps7mdsL_K0","slug":"coincap-total-crypto-market-cap-history-af1fac13","name":"CoinCap Total Crypto Market-Cap History","description":"Total crypto market-cap history (capped data points).","url":"https://rest.coincap.io/v3/agentFriendly/total_market_cap_history","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":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_3lZ9AcN4Vsg61msr0aAXF","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 capped historical data points for the total cryptocurrency market capitalization over time.","exampleAgentPrompt":"Pull the full historical total crypto market cap series from CoinCap so I can see how the aggregate size of the entire cryptocurrency market has changed over time.","exampleUseCases":[{"title":"Crypto market cycle research","prompt":"Can you get the historical total crypto market cap data from CoinCap? I want to see how the overall market has grown and contracted across different bull and bear cycles."},{"title":"Portfolio macro context dashboard","prompt":"Fetch the total cryptocurrency market cap history from CoinCap — I want to overlay it with my portfolio performance to see how I've tracked against the broader market."},{"title":"Automated market trend report","prompt":"Grab the total crypto market capitalization history from CoinCap for my weekly report so I can show how the aggregate market size has trended recently."}],"resultDescription":"A time series of capped historical data points representing the total cryptocurrency market capitalization, each with a timestamp and a corresponding total market cap value in USD. The number of returned data points is capped per the endpoint's design.","failureModes":["API key or payment not provided — returns 402 Payment Required","Rate limit exceeded — returns 429 Too Many Requests","Service unavailable — returns 503 with no data","Empty or truncated response if market data is temporarily unavailable","Data points are capped, so very granular or very long historical windows may not be fully represented"],"whenToPreferThis":"Use this endpoint when you need the aggregate total cryptocurrency market capitalization across all assets over time, rather than the market cap of a single asset. Prefer this over the per-asset historical market-cap endpoint when the goal is macro-level analysis of the entire crypto market. Ideal for charting overall market trends, identifying crypto market cycles, or providing broad context for portfolio or economic analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:33:42.315Z","isFirstParty":false}