# Carbon & Cashmere Signal API – ETH OHLCV & Funding History

> Carbon & Cashmere Signal API – ETH OHLCV & Funding History is a paid API for AI agents from api.carbon-cashmere.de, paid per call via x402, $0.02/call, status down (last checked 2026-09-13).

Returns historical OHLCV candlestick data and funding rates for Ethereum (ETH) at a specified interval

## Facts

- Endpoint: GET https://api.carbon-cashmere.de/v1/intel/history/ETH
- Price: $0.02/call
- Payment: x402
- Status: down
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/carbon-cashmere-signal-api-eth-ohlcv-funding-history-b702af7f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_qx94EuYEMYsJ7EBwXClrY

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 carbon-cashmere-signal-api-eth-ohlcv-funding-history-b702af7f
```

Example prompt: Pull the historical 4-hour OHLCV candles and funding rates for ETH from Carbon & Cashmere so I can see price action and carry cost over the last few days.

## When to prefer this

Use this endpoint when you need structured historical price candle data (OHLCV) and funding rates specifically for ETH, and you want data from a professional crypto intelligence provider that bundles both price history and derivatives carry data in one call. Prefer over generic public APIs when you need reliable, consistent formatting with funding rate context included.

## Known failure modes

- Unsupported coin symbol returns 404 or empty dataset
- Invalid interval parameter returns 400 bad request
- No historical data available for requested range returns empty arrays
- Authentication or payment failure (x402) returns 402 Payment Required
- Rate limiting exceeded returns 429 Too Many Requests

## How this service works

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

## Output

A JSON object containing the coin ticker (ETH), an array of OHLCV bars each with open, high, low, close, volume, and timestamp, an array of funding rate entries with timestamp and rate, and the interval label (e.g. '4h').

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "coin": "BTC",
  "ohlcv": [
   {
    "c": 84800,
    "h": 85200,
    "l": 84100,
    "o": 84500,
    "v": 12500,
    "ts": "2026-04-13T00:00:00"
   }
  ],
  "funding": [
   {
    "ts": "2026-04-13T00:00:00",
    "rate": 0.0001
   }
  ],
  "interval": "4h"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/carbon-cashmere-signal-api-eth-ohlcv-funding-history-b702af7f/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)