# Carbon Cashmere AI Chart Vision Analysis

> Carbon Cashmere AI Chart Vision Analysis is a paid API for AI agents from api.carbon-cashmere.de, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).

Uses Claude Vision AI to analyze 4-hour candlestick charts for a given cryptocurrency and extract 7 structured technical features including trend strength, support/resistance, chart patterns, volume profile, and directional bias.

## Facts

- Endpoint: GET https://api.carbon-cashmere.de/v1/chart/:var1
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-carbon-cashmere-de-30ca71fa
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_oiH72l-8WtEWikpPKX3_t

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-30ca71fa
```

Example prompt: Can you run an AI chart vision analysis on BTC — I want the full breakdown of trend strength, support and resistance distance, chart pattern, volume profile, momentum bias, and overall directional bias from the 4-hour candlestick chart?

## When to prefer this

Choose this endpoint when you need AI-powered visual interpretation of candlestick charts rather than raw indicator values — it uses Claude Vision to read chart images and produce structured technical features, making it ideal for agents that need human-like chart pattern recognition (e.g. head and shoulders, flags, wedges) combined with quantified metrics like trend strength and momentum bias for any of 34 major cryptocurrencies on the 4-hour timeframe.

## Known failure modes

- Unsupported coin ticker returns 400 or validation error — only 34 enumerated coins are supported
- Payment not provided or invalid results in 402 Payment Required
- Chart data unavailable for the requested coin at the time of call
- Claude Vision API downstream failure causing 500 error
- Rate limiting or timeout if called too frequently

## How this service works

Get AI chart vision analysis — Claude Vision reads 4h candlestick charts and extracts 7 structured technical features: trend strength, support/resistance distance, chart pattern recognition, volume profile, momentum bias, and overall directional bias. AI agent API for technical analysis automation, chart pattern detection, and visual market intelligence.

## Output

Returns a structured JSON object for the requested coin containing 7 technical features extracted by Claude Vision from the 4h candlestick chart: trend strength score, support/resistance distance, recognized chart pattern, volume profile assessment, momentum bias, overall directional bias, and the coin symbol and timeframe metadata.

## 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"
    },
    "pathParams": {
     "type": "object",
     "required": [
      "coin"
     ],
     "properties": {
      "coin": {
       "enum": [
        "AAVE",
        "ADA",
        "APT",
        "ARB",
        "ATOM",
        "AVAX",
        "BCH",
        "BNB",
        "BTC",
        "DOGE",
        "DOT",
        "ETC",
        "ETH",
        "HBAR",
        "HYPE",
        "ICP",
        "KAS",
        "LINK",
        "LTC",
        "MATIC",
        "NEAR",
        "ONDO",
        "OP",
        "SKY",
        "SOL",
        "SUI",
        "TAO",
        "TON",
        "TRX",
        "UNI",
        "XLM",
        "XMR",
        "XRP",
        "ZEC"
       ],
       "type": "string",
       "examples": [
        "AAVE",
        "ADA",
        "APT",
        "ARB",
        "ATOM",
        "AVAX",
        "BCH",
        "BNB",
        "BTC",
        "DOGE"
       ],
       "description": "Cryptocurrency ticker symbol (uppercase). 34 supported coins."
      }
     },
     "additionalProperties": false
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "coin": {
       "type": "string"
      },
      "features": {
       "type": "object"
      },
      "timeframe": {
       "type": "string"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-carbon-cashmere-de-30ca71fa/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)