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Cross-Venue Perp Funding Arbitrage Scanner
x402
Cross-Venue Perp Funding Arbitrage Scanner is a paid API for AI agents from klane402.deanhiki.workers.dev, paid per call via x402, $0.008/call, status unknown (last checked 2026-10-31).
Scans multiple crypto perpetual exchanges to find coins where the funding rate spread between the best long venue and best short venue exceeds a minimum APR threshold, ranked by arbitrage opportunity size.
Price / call$0.008
Success—
StatusUnknown
How this service works
Cross-venue funding arbitrage scanner: for each coin listed on 2+ of Hyperliquid/Bybit/Pacifica/Extended/Lighter, the best long venue (lowest funding) vs short venue (highest), spread in APR %, both sides' open interest. Sorted by spread. Query: min_apr (default 10), min_oi_usd (default 0), limit (default 30). $0.008 per call.
Output
Returns a ranked list of arbitrage opportunities, each containing the coin ticker, the recommended long venue (lowest funding rate), the recommended short venue (highest funding rate), the spread expressed in annualized percentage rate (APR), and both sides' open interest in USD. Results are sorted by spread descending.
Example use cases
Daily funding arb opportunity scan
“Pull me today's best funding arbitrage opportunities across all perp venues — I want coins with at least a 20% APR spread between the cheapest long venue and most expensive short venue, sorted by spread size.”
High-liquidity arb filter for large positions
“Find me funding arb trades where the open interest on both sides is at least $500,000 USD and the APR spread is 10% or more — I need enough liquidity to size into a real position.”
Quick arb screen before trade execution
“What are the top 10 funding rate arb opportunities right now with at least a 25% APR spread? I want to see which coin, which exchange to go long on, which to short, and what the spread is.”
Technical details
Endpoint
GEThttps://klane402.deanhiki.workers.dev/api/funding/arb?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a ready-made cross-venue funding arbitrage scanner that aggregates Hyperliquid, Bybit, Pacifica, Extended, and Lighter in a single call, rather than querying each exchange separately and computing spreads yourself. Prefer this over raw funding rate endpoints when you want pre-ranked, filtered arbitrage pairs with open interest data included.
Side effects
- Payment not included or insufficient — 402 response with payment required
- min_apr or min_oi_usd set too high — returns empty opportunities array
- One or more underlying venues temporarily unavailable — partial data or degraded results
- limit out of range — may return fewer results than requested
- Network timeout if any upstream exchange API is slow
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"opportunities": [
{
"coin": "ETH",
"longVenue": "hyperliquid",
"spreadApr": 25.3,
"shortVenue": "bybit"
}
]
}
}Tags
x402
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