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SYNTHORA Open Interest Oracle
x402
SYNTHORA Open Interest Oracle is a paid API for AI agents from openinterest.hergertsynthora.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-29).
Returns live perpetual futures open interest, funding rates, mark price, premium, and crowded long/short signals for 230+ assets via Hyperliquid
Price / call$0.05
Success—
StatusUnknown
How this service works
Live perpetual-futures open interest, funding rates, mark price, premium and crowded long/short signal for 230+ assets, sourced from Hyperliquid. Ed25519-signed. Pay-per-use via x402 USDC on Base.
Output
Returns Ed25519-signed JSON containing open interest, funding rate, mark price, premium, and a crowded long/short signal for the requested asset (or top-10 assets by open interest if no asset is specified), sourced from Hyperliquid perpetuals data.
Example use cases
Example prompt
“What's the current open interest, funding rate, mark price, and crowded long/short signal for ETH on Hyperliquid perps right now?”
Technical details
Endpoint
POSThttps://openinterest.hergertsynthora.com/service?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time perpetual futures market microstructure data — specifically open interest, funding rates, and crowding signals — sourced from Hyperliquid for 230+ assets. Prefer over generic market data APIs when you need Ed25519-signed trustworthy data and Hyperliquid-specific perp metrics like premium and crowded long/short signals.
Side effects
- Unknown asset symbol returns error or empty result
- Hyperliquid data feed unavailable causes service error
- Invalid asset format (e.g. lowercase or unsupported token) may return no data
- Network timeout on Hyperliquid upstream
- Payment failure via x402 protocol results in 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| asset | string | Perp symbol e.g. BTC, ETH, SOL. Omit for top-10 by OI |
Output
Schema · Response
{
"type": "json",
"schema": {
"type": "object",
"required": [
"ok",
"niche"
],
"properties": {
"ok": {
"type": "boolean"
},
"error": {
"type": "string"
},
"niche": {
"type": "string"
},
"result": {
"type": "object",
"properties": {
"note": {
"type": "string"
},
"asset": {
"type": "string"
},
"signed": {
"type": "boolean"
},
"source": {
"type": "string"
},
"total_perps": {
"type": "number"
},
"top_by_open_interest": {
"type": "array"
}
}
},
"receipt": {
"type": "object"
}
}
},
"example": {
"ok": true,
"niche": "open_interest",
"result": {
"asset": "BTC",
"signal": "neutral",
"signed": "ed25519",
"mark_price": 97500,
"funding_rate": 0.0000125,
"open_interest_usd": 2260000000
}
}
}Tags
x402
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