{"uid":"cap_zVb3UT3nawaH9QbX5MHzf","slug":"saylor-innovations-crypto-price-history-ada11962","name":"Saylor Innovations Crypto Price History","description":"Crypto price on a past date - USD price of up to 5 coins on any day since 2013 with change and multiple versus today","url":"https://saylorinnovations.com/api/crypto/price-history?utm_source=zero.xyz","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"],"type":"string"},"queryParams":{"type":"object","required":["coins","date"],"properties":{"date":{"type":"string","description":"past date as YYYY-MM-DD"},"coins":{"type":"string","description":"comma list of up to 5 CoinGecko ids (bitcoin, ethereum, solana) or chain:address"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["date","coins"],"properties":{"date":{"type":"string","description":"Date (YYYY-MM-DD)"},"coins":{"type":"array","items":{"type":"object","properties":{"coin":{"type":"string","description":"Coin symbol"},"symbol":{"type":["string","null"],"description":"Ticker or asset symbol"},"multiple":{"type":["number","null"]},"change_pct":{"type":["number","null"],"description":"Change as a percentage"},"confidence":{},"price_now_usd":{"type":["number","null"],"description":"Price now, in US dollars"},"price_then_at":{"description":"Price then at (UTC unless a time zone is given)"},"price_then_usd":{"type":"number","description":"Price then, in US dollars"}}},"description":"Coins"},"source":{"type":["string","null"],"description":"Data source the values come from"},"days_ago":{"type":"number","description":"Days ago"},"not_found":{"type":"array","items":{"type":"string"},"description":"Inputs that matched nothing"},"checked_at":{"type":["string","null"],"description":"Time the check was run (UTC)"}}}}}}},"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__AUrJF1yQWwDBwAGfVsrA","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 USD price of up to 5 cryptocurrencies on any past date since 2013, along with percentage change and multiplier versus today's price","exampleAgentPrompt":"What were the USD prices of bitcoin, ethereum, and solana on March 15, 2020, and how much have they each changed since then?","exampleUseCases":[{"title":"Portfolio cost-basis research","prompt":"What was the price of bitcoin and ethereum on November 3, 2021? I want to know how much they've gone up or down since then."},{"title":"Crypto investment return calculator","prompt":"If I had bought solana, cardano, and chainlink on January 1, 2022, what would each be worth now compared to then? Give me the prices on that date and the change percentages."},{"title":"Historical market event analysis","prompt":"Pull the USD prices of bitcoin, ethereum, bnb, ripple, and dogecoin on May 19, 2021 — that was a big crash day — and show me how each has performed versus today."}],"resultDescription":"A JSON object containing the queried date, how many days ago that was, and an array of coin objects each with the historical USD price, current USD price, percentage change, price multiple versus today, the coin symbol, and a confidence indicator. Also includes the data source used, the time the check was run, and any coin identifiers that could not be resolved.","failureModes":["Coin ID not found in CoinGecko — returned in not_found array","Date before 2013 or in the future — may return error or empty data","More than 5 coins requested — schema requires up to 5","Invalid date format (not YYYY-MM-DD) — request rejected","Chain:address format not supported for all tokens — may fall back to not_found","Network or upstream CoinGecko outage — may return stale or error response"],"whenToPreferThis":"Choose this endpoint when you need historical USD prices for specific cryptocurrencies on a specific past date, especially when you also want the comparison to today's price (change % and multiple) in a single call. It supports up to 5 coins per request using standard CoinGecko IDs or on-chain addresses, making it ideal for portfolio analysis, investment return calculations, or research into past market events. Prefer this over generic market data APIs when you need the historical-vs-now delta computed for you automatically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:43:03.767Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-crypto-price-history-ada11962"}