# Carbon Cashmere 4H Candlestick Chart API

> Carbon Cashmere 4H Candlestick Chart API is a paid API for AI agents from api.carbon-cashmere.de, paid per call via x402, $0.05/call, status down (last checked 2026-08-24).

Returns a 4-hour candlestick chart as a base64-encoded PNG image plus structured metadata (candle count, timeframe) for a specified cryptocurrency.

## Facts

- Endpoint: GET https://api.carbon-cashmere.de/v1/chart/:coin
- Price: $0.05/call
- Payment: x402
- Status: down
- Last checked: 2026-08-24
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-carbon-cashmere-de-6e834f75
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_XBo2j8Y1PBZvPJfZAiZ6f

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-6e834f75
```

Example prompt: Can you pull the 4-hour candlestick chart image for Ethereum (ETH) from Carbon Cashmere so I can include it in my market report?

## When to prefer this

Use this endpoint when you need a visual candlestick chart image for a cryptocurrency — particularly for embedding in reports, dashboards, or AI agent responses that require chart-backed analysis. Prefer this over raw OHLCV data endpoints when the output must be a renderable image rather than numeric values.

## Known failure modes

- Unsupported or unknown coin symbol returns an error or empty result
- Network timeout if chart rendering takes too long
- Invalid coin path parameter returns a 400 or 404 error
- Base64 image may be large for coins with many candles

## How this service works

Get 4h candlestick chart as base64 PNG plus structured technical features. Delivers chart image + candles count + timeframe metadata for any coin. AI agent API for visual market intelligence, chart-based technical analysis, and image-backed reporting.

## Output

A JSON response containing a base64-encoded PNG of the 4-hour candlestick chart for the requested coin, along with the number of candles rendered and timeframe metadata.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-carbon-cashmere-de-6e834f75/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)