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Carbon & Cashmere Signal API – Coin Features
x402
Carbon & Cashmere Signal API – Coin Features 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 real-time crypto market intelligence features for a specific coin, including fear/greed index, volatility, price return, and up to 34 quantitative signals.
Price / call$0.02
Success—
StatusDown
How this service works
Professional crypto market intelligence. Real-time prices, signals, and market scoring.
Output
A JSON object containing the coin ticker, a features object with quantitative metrics including fear_greed index (integer), 7-day volatility (decimal), 24-hour price return (decimal), and a feature_count integer indicating total number of signals available (up to 34).
Example use cases
Example prompt
“Pull the Carbon & Cashmere market intelligence features for ETH right now — I want to see the fear/greed score, 7-day volatility, and 24-hour price return.”
Technical details
Endpoint
GEThttps://api.carbon-cashmere.de/v1/features/ETHWhen to prefer
Use this endpoint when you need structured, quantitative market intelligence for a single cryptocurrency — especially when you want normalized signals like fear/greed, volatility, and momentum in one call rather than assembling raw OHLCV data yourself. Prefer this over raw exchange APIs when you need pre-computed features ready for downstream ML or decision logic.
Side effects
- Unsupported or misspelled coin symbol returns 404 or empty features
- Payment not processed causes 402 Payment Required response
- Rate limiting or quota exceeded returns 429
- Network timeout if upstream price feed is delayed
- Stale data if market feed has an outage
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"coin": "BTC",
"features": {
"fear_greed": 28,
"volatility_7d": 0.032,
"price_return_24h": -0.012
},
"feature_count": 34
}
}Tags
x402
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