{"uid":"cap_73p6lkmV-mabSsnMn_Ktk","slug":"carbon-cashmere-funding-rate-history-api-6bf007f6","name":"Carbon & Cashmere Funding Rate History API","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/history/funding/%7Bcoin%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"days":30,"stats":{"samples":90,"avg_rate":0.00008,"max_rate":0.0003,"min_rate":-0.0002,"current_rate":0.0001},"series":[{"ts":"2026-04-01T00:00:00Z","rate":0.0001,"annualized_pct":10.95}],"symbol":"BTCUSDT","interval":"8h"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0h3rx_ua52J7UYm5btSD4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns historical perpetual funding rate statistics and time-series data for a specified cryptocurrency, including average, max, min, and current rates over a configurable lookback window.","exampleAgentPrompt":"Pull the 30-day funding rate history for BTC from Carbon & Cashmere — I want to see the average, max, min, and current rates, plus the full 8-hour time series.","exampleUseCases":null,"resultDescription":"A JSON object containing the lookback window in days, aggregate stats (sample count, average rate, max rate, min rate, current rate), and a time-series array of 8-hour funding rate snapshots each with timestamp, raw rate, and annualized percentage — all for the requested coin symbol (e.g. BTCUSDT).","failureModes":["Unknown or unsupported coin symbol returns an error or empty series","Malformed coin path parameter causes a 400 or 404 response","Payment not sent or insufficient USDC causes a 402 payment required error","Coin has insufficient historical data resulting in fewer samples than expected","Temporary upstream data unavailability causes a 503 or empty response"],"whenToPreferThis":"Use this endpoint when you need historical perpetual funding rate data for a specific cryptocurrency, including aggregate statistics and a time-series breakdown. It is ideal for detecting funding rate anomalies, mean-reversion signals, carry trade analysis, or comparing current rates against historical baselines. Prefer this over general price endpoints when the specific focus is on derivative funding costs rather than spot price.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-08T18:30:01.617Z","isFirstParty":false}