{"uid":"cap_SoCPEZqIV9PUs7w1T_M6Y","slug":"carbon-cashmere-funding-rate-history-eth-e004a2be","name":"Carbon & Cashmere Funding Rate History – ETH","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/history/funding/ETH","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_vhUz6PeCauQsg5Cx5KzUz","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 funding rate data for Ethereum (ETH), including statistical summaries and time-series samples over a configurable lookback window.","exampleAgentPrompt":"Pull the last 30 days of ETH funding rate history for me — I want to see the average, max, min, and current rate, plus the full 8-hour interval time series so I can gauge whether longs have been paying shorts recently.","exampleUseCases":[{"title":"Spot ETH funding rate trend","prompt":"Can you grab the ETH funding rate data for the past two weeks and tell me whether it's been trending positive or negative? I want to know if the market has been persistently long-biased lately."},{"title":"Compare average vs current rate","prompt":"Pull the last 30 days of ETH perpetual funding rate history and compare the average rate to what's happening right now — I'm trying to figure out if current conditions are unusually expensive for longs."},{"title":"Identify ETH funding rate extremes","prompt":"I need you to look at ETH funding rate data over the past 60 days and flag the highest and lowest rates recorded — I want to understand how extreme the swings have been and whether there were any notable spikes."}],"resultDescription":"A JSON object containing a summary stats block (sample count, average rate, max rate, min rate, current rate) and a time-series array of funding rate observations with timestamps, raw rates, and annualized percentages for each 8-hour interval over the requested lookback window.","failureModes":["Invalid or unsupported symbol returns an error response","Insufficient lookback period or missing days parameter returns default or error","Payment not included or insufficient USDC balance results in 402 Payment Required","Rate limiting if too many calls in quick succession","Stale data if upstream exchange feed is delayed"],"whenToPreferThis":"Use this endpoint when you need detailed historical funding rate data specifically for ETH perpetual futures, including statistical aggregates and a granular time series. Prefer this over generic market data APIs when you need funding rate analytics (not just price), and when you need annualized rate context alongside raw 8-hour interval data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:48:43.134Z","isFirstParty":false}