{"uid":"cap_j27mN4FxiaxSVtpynLDcD","slug":"synthora-crypto-price-history-time-series-coingecko-432c993e","name":"SYNTHORA Crypto Price History Time-Series (CoinGecko)","description":"Historical daily price, market-cap and volume time-series for a coin in any fiat currency from CoinGecko's keyless market_chart endpoint (JSON). Serves autonomous crypto-vs-fiat trend agents, backtesting bots, and agent-to-agent analytics needing multi-day price series without a key. Pay-per-call via x402 on Base. No charge on upstream failure.","url":"https://coingecko-crypto-price-history.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","description":"Historical daily price, market-cap and volume time-series for a coin in any fiat currency from CoinGecko's keyless market_chart endpoint (JSON). Serves autonomous crypto-vs-fiat trend agents, backtest"}}},"responseSchema":{"type":"json","example":{"ok":true,"niche":"coingecko_crypto_price_history","result":{},"receipt":{"alg":"ed25519"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ho1u44H1KDDkIcOgOU8P1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches historical daily price, market-cap, and volume time-series data for any cryptocurrency in a specified fiat currency via CoinGecko's market_chart endpoint.","exampleAgentPrompt":"Pull the daily price and market cap history for Bitcoin in USD over the last 90 days from CoinGecko — I need a full time-series with daily interval for my backtesting bot.","exampleUseCases":[{"title":"Crypto trend analysis for trading bot","prompt":"Get me the daily price time-series for Ethereum in USD over the last 365 days so I can backtest my moving average crossover strategy."},{"title":"Multi-coin fiat comparison dashboard","prompt":"Fetch 30-day historical price and volume data for Solana in EUR with a daily interval — I'm building a dashboard comparing crypto performance against the euro."},{"title":"Autonomous agent market monitoring","prompt":"Retrieve the last 60 days of daily market cap and price history for Chainlink priced in GBP so my analytics agent can detect trend reversals."}],"resultDescription":"Returns a JSON object with ok:true and a result containing time-stamped arrays for price, market cap, and trading volume corresponding to the requested coin, currency, and time range — structured as a CoinGecko market_chart response.","failureModes":["Invalid coin ID returns an error or empty result","Unsupported vs_currency value may cause a CoinGecko API error","Very large day ranges may result in rate limiting or timeout","Missing required fields (id, days, vs_currency) may cause a 400 or empty response","CoinGecko API downtime propagates as an error upstream"],"whenToPreferThis":"Choose this endpoint when you need historical daily price, market cap, and volume time-series data for a cryptocurrency without requiring a CoinGecko API key, especially for backtesting, trend analysis, or agent-driven crypto analytics. Prefer this over direct CoinGecko API calls when you want a keyless, pay-per-call micro-payment model compatible with x402 agent payment flows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:37:55.035Z","isFirstParty":false}