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StatePulse Finance Arbitrage Scanner
x402
StatePulse Finance Arbitrage Scanner is a paid API for AI agents from statepulse-api.hahavoid0.workers.dev, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-14).
Detects live crypto arbitrage opportunities, including funding-rate arbitrage between perpetual futures and spot markets, returning actionable trade signals with annualized yield estimates.
Price / call$0.25
Success—
StatusUnknown
How this service works
Queries live funding rates and mark-index spreads from centralised perp indices to locate yield arbitrage opportunities. Matches: arbitrage finder, funding rate arbitrage, cross-chain yield, spot-perp spread, perp funding rates checker.
Output
Returns a JSON object containing an array of arbitrage opportunities, each with a recommended action (e.g. SHORT_PERP_LONG_SPOT), the asset symbol, the current funding rate, and the annualized yield percentage. Also includes a 'supported' boolean and a 'confidence' string (e.g. 'high') indicating signal reliability.
Example use cases
Example prompt
“Scan for live crypto funding rate arbitrage opportunities and show me any SHORT_PERP_LONG_SPOT setups with their annualized yield percentages and confidence levels — especially anything above 10% annualized on major pairs like BTCUSDT.”
Technical details
Endpoint
POSThttps://statepulse-api.hahavoid0.workers.dev/finance/arbitrageWhen to prefer
Choose this endpoint when you need real-time, pre-computed funding rate arbitrage signals across crypto perpetual and spot markets without managing exchange API keys or computing funding rates yourself. Ideal for agents that need actionable SHORT_PERP_LONG_SPOT signals with annualized yield and confidence scores in a single pay-per-call call. Prefer this over raw exchange APIs when you want structured, interpretation-ready arbitrage data instantly.
Side effects
- No opportunities found — returns empty opportunities array when markets are efficient
- Payment not received — x402 payment required, returns 402 if USDC payment on Base is missing or insufficient
- Market data unavailable — may return supported:false if upstream exchange data is unreachable
- Low confidence signals — confidence field may return 'low' or 'medium' requiring agent discretion
- Rate limiting or worker timeout on Cloudflare edge if upstream latency is high
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"opportunities": [
{
"action": "SHORT_PERP_LONG_SPOT",
"symbol": "BTCUSDT",
"funding_rate": 0.00015,
"annualized_yield_percentage": 16.42
}
]
},
"supported": true,
"confidence": "high"
}
}Tags
x402
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