# Hyperliquid DEX Perpetual Futures Funding Rates & Open Interest API

> Hyperliquid DEX Perpetual Futures Funding Rates & Open Interest API is a paid API for AI agents from nonvisceral-eloisa-mousily.ngrok-free.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Returns real-time BTC and ETH perpetual futures funding rates and open interest data sourced from Hyperliquid DEX

## Facts

- Endpoint: GET https://nonvisceral-eloisa-mousily.ngrok-free.dev/api/funding
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nonvisceral-eloisa-mousily-ngrok-free-dev-9506f6e4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_3i2DGYLbmjQPL4-saAp-p

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 nonvisceral-eloisa-mousily-ngrok-free-dev-9506f6e4
```

Example prompt: What are the current BTC and ETH perpetual futures funding rates and open interest on Hyperliquid DEX right now? I want to check if funding is positive or negative to help with my trading signal.

## When to prefer this

Choose this endpoint when you specifically need Hyperliquid DEX funding rate and open interest data for BTC and ETH perpetual futures in real time. Prefer this over the cross-venue aggregated endpoint when you want Hyperliquid-specific exposure rather than a blended multi-exchange signal. Best for DEX-focused trading strategies, arbitrage analysis between CEX and DEX funding rates, or monitoring Hyperliquid market conditions specifically.

## Known failure modes

- Hyperliquid DEX API unavailable — upstream data source outage
- ngrok tunnel down — service unreachable (503/504)
- Payment not processed — 402 Payment Required if x402 micropayment not sent
- Stale data — updated_at may lag if upstream feed is delayed
- Rate limiting — too many requests in short period

## How this service works

Cryptocurrency perpetual futures funding rates and open interest API: real-time BTC Bitcoin and ETH Ethereum funding rate data from Hyperliquid DEX. Open interest volume for crypto market analysis and trading signals.

## Output

Returns a JSON object containing real-time funding rates for BTC and ETH perpetual futures sourced from Hyperliquid DEX, including open interest volume data and an updated_at timestamp indicating data freshness. Useful for assessing market sentiment, carry costs, and potential squeeze conditions.

## 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"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "updated_at": {
       "type": "string"
      },
      "funding_rates": {
       "type": "object"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nonvisceral-eloisa-mousily-ngrok-free-dev-9506f6e4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from nonvisceral-eloisa-mousily.ngrok-free.dev](https://www.zero.xyz/host/nonvisceral-eloisa-mousily.ngrok-free.dev/llms.txt)