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OKX Perpetual Futures Open Interest
x402
OKX Perpetual Futures Open Interest is a paid API for AI agents from api.x402node.dev, paid per call via x402, $0.006/call, status unknown (last checked 2026-09-13).
Returns real-time total open interest (outstanding contracts) for any crypto perpetual futures symbol from OKX.
Price / call$0.006
Success—
StatusUnknown
How this service works
Live perpetual futures open interest for any crypto symbol from OKX - total outstanding contracts, a real-time positioning signal absent from LLM training data. open interest, futures oi, perpetual open interest, oi data, derivatives positioning
Output
Returns the total number of outstanding perpetual futures contracts (open interest) for the requested crypto symbol from OKX, providing a real-time snapshot of derivatives market positioning.
Example use cases
Example prompt
“What's the current open interest for BTC-USDT-SWAP perpetual futures on OKX right now? I want to see how the market is positioned.”
Technical details
Endpoint
GEThttps://api.x402node.dev/market/open-interestWhen to prefer
Use this endpoint when you need real-time perpetual futures open interest data sourced directly from OKX, especially for crypto market analysis, trading signal generation, or derivatives positioning research that requires up-to-date data not available in LLM training data.
Side effects
- Invalid or unsupported symbol returns an error or empty result
- Network timeout if OKX exchange feed is temporarily unavailable
- Symbol format mismatch (e.g. using BTC instead of BTC-USDT-SWAP) may return no data
- Payment failure (insufficient USDC balance) blocks the request at the x402 paywall
Input
{
"symbol": "BTC-USDT-SWAP"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"note": "Open interest = total outstanding perpetual contracts. Rising OI + rising price = strong trend.",
"_hint": "x402 paid endpoints for AI agents — x402node.dev (utilities) · cn402.com (Chinese culture)",
"instId": "BTC-USDT-SWAP",
"source": "okx",
"symbol": "BTC",
"timestamp": "2026-06-20T05:27:40.978Z",
"openInterest": 3028919.7000000156,
"openInterestCcy": 30289.197000000153
}Tags
x402
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