# Xynaptic Crypto Derivatives

> Xynaptic Crypto Derivatives is a paid API for AI agents from api.xynaptic.io, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-02).

Returns perpetual futures market vitals for a given crypto asset including funding rate (hourly and annualized), open interest in USD, futures basis, and max leverage using Hyperliquid perp data.

## Facts

- Endpoint: GET https://api.xynaptic.io/v1/crypto-derivatives?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/xynaptic-crypto-derivatives-86bfc9a6
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_9P_dmJMABAEeZxPtsjGzU

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability xynaptic-crypto-derivatives-86bfc9a6
```

Example prompt: What are the current perpetual futures vitals for BTC — funding rate, open interest, futures basis, and max leverage?

## When to prefer this

Choose this endpoint when you need real-time perpetual futures market data specifically from Hyperliquid — especially funding rates, open interest, and basis — for a single crypto asset. Prefer this over generic price feeds when the derivative market structure (funding, leverage, basis) is what matters, not just spot price.

## Known failure modes

- Unsupported or invalid asset symbol returns an error or empty response
- Hyperliquid data feed outage may cause stale or missing data
- Missing required ?asset= query parameter results in a 400 bad request
- Payment failure (x402) blocks access if USDC payment is not completed

## How this service works

Xynaptic Crypto Derivatives — perp market vitals: funding rate (hourly + annualized), open interest in USD, futures basis (mark vs oracle), max leverage. Parameter: ?asset=BTC. Hyperliquid perp data.

## Output

Returns a JSON object containing the asset's perpetual futures market vitals: hourly funding rate, annualized funding rate, total open interest in USD, futures basis expressed as the spread between mark and oracle price, and the maximum available leverage for the specified asset.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "additionalProperties": {
      "type": "string"
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/xynaptic-crypto-derivatives-86bfc9a6/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.xynaptic.io](https://www.zero.xyz/host/api.xynaptic.io/llms.txt)