{"uid":"cap_pAmAA3UjdPqzse6a890un","slug":"open-interest-by-exchange-oi-8709e4d3","name":"Open Interest by Exchange (OI)","description":"Perp funding rates, open interest, futures basis, implied volatility, liquidations, order book depth and a perp screener for crypto perpetual futures across 8 exchanges (Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX), paid per call over x402 with USDC on Base. No account, no API key.","url":"https://derivs.duoleads.com/v1/open-interest?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":["coin"],"properties":{"coin":{"type":"string","maxLength":32,"minLength":1,"description":"Coin symbol: BTC, ETH, SOL, PEPE ... (also BTCUSDT, BTC-PERP, XBT, 1000PEPE)."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"coin":"BTC","colo":null,"as_of":"2026-10-14T23:00:00Z","units":{"times":"ISO 8601 UTC","oi_usd":"USD (OI x mark price)","oi_coins":"coins (one side of the book), all perpetuals of the coin on the venue","share_pct":"percent of the total oi_usd","change_pct":"percent change of the venue's own OI series (unit in `unit`)"},"change":[{"unit":"coins","as_of":"2026-10-14T23:00:00Z","venue":"bybit","latest":30086.085,"symbol":"BTCUSDT","latest_time":"2026-10-14T22:00:00Z","change_1h_pct":0.645335,"change_4h_pct":1.4056,"change_24h_pct":7.46048},{"unit":"usd","as_of":"2026-10-14T23:00:00Z","venue":"gate","latest":4343972013,"symbol":"BTC_USDT","latest_time":"2026-10-14T22:00:00Z","change_1h_pct":-0.00334619,"change_4h_pct":-0.0314464,"change_24h_pct":1.28509}],"venues":[{"as_of":"2026-10-14T23:00:00Z","stale":false,"venue":"gate","oi_usd":4344915053,"symbols":["BTC_USDT"],"oi_coins":53224.3312,"share_pct":28.2208},{"as_of":"2026-10-14T23:00:00Z","stale":false,"venue":"hyperliquid","oi_usd":3279501531,"symbols":["BTC"],"oi_coins":40178.15264,"share_pct":21.3008},{"as_of":"2026-10-14T23:00:00Z","stale":false,"venue":"okx","oi_usd":3168502615,"symbols":["BTC-USD-SWAP","BTC-USDT-SWAP"],"oi_coins":38822.6842,"share_pct":20.5799}],"see_also":{"params":["coin","hours"],"reason":"Open interest falling? See the recent long and short liquidations per venue.","endpoint":"https://derivs.duoleads.com/v1/liquidations"},"disclaimer":"Data only, not investment advice, not a benchmark; not affiliated with any exchange","request_id":"01KEXAMPLE0000000000000000","total_oi_usd":15396127720,"total_oi_coins":188622.1742,"venues_missing":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_14Qap5Dc7oX9okudh0gxn","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns per-exchange open interest for a crypto perpetual futures coin, including USD and coin-denominated OI, market share percentages, and 1h/4h/24h change metrics across up to 8 exchanges.","exampleAgentPrompt":"What's the current open interest for BTC broken down by exchange — I want to see which venues like Bybit, Hyperliquid, and OKX have the most, and how it's changed over the last 24 hours.","exampleUseCases":[{"title":"Spot exchange dominance shift for BTC","prompt":"Show me how BTC open interest is distributed across exchanges right now — I want to know which venue holds the biggest share and whether that's shifted in the past 24 hours."},{"title":"Monitor SOL OI momentum before a trade","prompt":"What's the current open interest for SOL across all perp exchanges and has it been growing or shrinking over the last 4 hours?"},{"title":"ETH market structure check for a report","prompt":"Pull the total and per-exchange open interest for ETH perpetuals, including the USD value and percent of total for each venue like Gate, OKX, and Hyperliquid."}],"resultDescription":"Returns a JSON object containing: total OI in USD and coins across all venues, a per-venue breakdown with USD OI, coin OI, symbols traded, and market share percentage, plus a change array showing 1h/4h/24h percent changes per venue. Also includes metadata like staleness flags, data timestamp, and a see_also hint linking to liquidations if OI is falling.","failureModes":["Missing or invalid coin symbol returns an error — coin must be a non-empty string up to 32 characters","Unknown coin symbols not traded as perps on supported exchanges may return empty venue lists","Payment failure via x402/USDC on Base will block the request","Stale data from an exchange is flagged in the venues array but still returned","venues_missing array lists any exchanges that failed to return data for that call"],"whenToPreferThis":"Use this endpoint when you need a cross-exchange view of perpetual futures open interest for a specific coin, including market share and momentum (1h/4h/24h changes). Prefer this over single-exchange APIs when comparing how OI is distributed across Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, and OKX simultaneously. Requires no API key — pay per call with USDC on Base via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:33:16.221Z","isFirstParty":false,"canonicalSlug":"open-interest-by-exchange-oi-8709e4d3"}