# Carbon Cashmere Perpetual Futures Funding Rates

> Carbon Cashmere Perpetual Futures Funding Rates is a paid API for AI agents from api.carbon-cashmere.de, paid per call via x402, $0.005/call, status down (last checked 2026-09-14).

Returns live perpetual futures funding rates for 34 Binance pairs including current rate, predicted next rate, open interest, and annualized yield, updated every 5 minutes.

## Facts

- Endpoint: GET https://api.carbon-cashmere.de/v1/funding
- Price: $0.005/call
- Payment: x402
- Status: down
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-carbon-cashmere-de-37f584ce
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Z1IUfDUF_dn91LIT06GEu

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 api-carbon-cashmere-de-37f584ce
```

Example prompt: Pull the latest Binance perpetual futures funding rates for all 34 pairs — I want to see the current rate, predicted next rate, open interest, and annualized yield so I can spot carry trade opportunities.

## When to prefer this

Use this endpoint when you need live, frequently-updated (5-min) perpetual futures funding rates across a broad set of 34 Binance pairs, especially when you also want predicted next-period rates and annualized yield for carry trade or arbitrage signal generation. Prefer over generic market data APIs when funding rate forecasting and open interest context are required together.

## Known failure modes

- Binance data feed unavailable — may return stale or empty rates array
- Payment not processed (x402) — returns 402 Payment Required
- Rate limit exceeded — returns 429 Too Many Requests
- Invalid query parameters — returns 400 Bad Request
- Service downtime — returns 503 or timeout

## How this service works

Professional crypto market intelligence. Real-time prices, signals, and market scoring.

## Output

A list of up to 34 Binance perpetual futures pairs with their current funding rate, predicted next funding rate, open interest, and annualized yield. Data is refreshed every 5 minutes.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "count": 20,
  "rates": [
   {
    "rate": 0.0001,
    "symbol": "BTCUSDT",
    "open_interest": 5200000000,
    "annualized_rate": 10.95
   }
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-carbon-cashmere-de-37f584ce/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.carbon-cashmere.de](https://www.zero.xyz/host/api.carbon-cashmere.de/llms.txt)