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Crypto Funding Rate & Open Interest Batch Lookup
x402
Crypto Funding Rate & Open Interest Batch Lookup is a paid API for AI agents from crypto-asistent.com, paid per call via x402, $0.04/call, status unknown (last checked 2026-10-13).
Returns perpetual funding rates (per 8h and annualized) and open interest for up to 10 coins in a single call, filtered to liquid venues across Binance, Bybit, OKX, and Hyperliquid.
Price / call$0.04
Success—
StatusUnknown
How this service works
Perpetual funding rate and open interest for up to 10 coins in a single call, across Binance, Bybit, OKX and Hyperliquid. Answers 'where is the leverage right now?' for a whole watchlist at once. Thin venues are excluded: averaging every venue that publishes a rate overstates BTC funding by ~30x, because a near-empty book printing 9% per 8h counts the same as a deep one. Funding comes per 8h and annualized, so 0.0067% reads as 7.3% a year.
Output
Returns per-coin funding rate data (8h rate and annualized percentage) and open interest figures, sourced only from liquid venues on Binance, Bybit, OKX, and Hyperliquid. Thin, near-empty books are excluded to avoid distorting aggregates. Results cover up to 10 coins per call, giving a snapshot of where leverage is concentrated across a watchlist.
Example use cases
Pre-trade leverage check for watchlist
“Before I put on any positions, can you check the funding rates and open interest for BTC, ETH, SOL, and MATIC across all the major perp venues — I want to know if the market is already overcrowded long or short.”
Daily derivatives market brief
“Give me my morning crypto derivatives summary — pull funding rates annualized and open interest for BTC, ETH, XRP, DOGE, SOL, LINK, AVAX, ADA, BNB, and OP across Binance, Bybit, OKX, and Hyperliquid.”
Funding arbitrage opportunity scan
“Check funding rates and open interest for ETH, SOL, ARB, OP, and MATIC right now — I'm looking for coins where funding is unusually elevated or negative so I can spot potential cash-and-carry or reverse carry trades.”
Technical details
Endpoint
POSThttps://crypto-asistent.com/api/x402/data/funding-oi?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to check funding rates and open interest across an entire watchlist in one call rather than querying coin-by-coin. It is ideal for daily market briefs, pre-trade leverage checks, or monitoring multiple positions simultaneously. Prefer the single-coin venue-breakdown endpoint when you need granular per-exchange detail for one asset; use this batch endpoint when breadth across a watchlist matters more than depth on a single coin. The venue-filtering logic makes this more reliable than naive multi-venue averages that overstate funding due to thin books.
Side effects
- Unsupported coin symbols return no data or an error for that coin
- More than 10 coins in a single request may be rejected or truncated
- Venue API outages may result in missing data for specific exchanges
- Coins with no active perp markets on the supported venues return empty results
- Malformed request body causes a 400 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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