# Carbon & Cashmere ETH Trend Signal

> Carbon & Cashmere ETH Trend Signal is a paid API for AI agents from api.carbon-cashmere.de, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Returns real-time Ethereum price, trend direction, ADX strength score, support/resistance levels, and momentum analytics for ETH.

## Facts

- Endpoint: GET https://api.carbon-cashmere.de/v1/trend/ETH
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/carbon-cashmere-eth-trend-signal-4e7ebb4d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_OUzOsu2bINxoGBva4wVnZ

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-eth-trend-signal-4e7ebb4d
```

Example prompt: What's the current ETH trend signal — is it bullish or bearish, how strong is the momentum, and how close is the price to its 30-day support and resistance levels?

## When to prefer this

Choose this endpoint when you need a pre-computed, structured trend signal for ETH including ADX strength, support/resistance proximity, and regime duration — rather than raw OHLCV data or order book data. Ideal for agents making quick trend-aware decisions without running their own TA calculations.

## Known failure modes

- Invalid or unsupported symbol in path returns an error response
- Payment not attached or insufficient USDC results in 402 Payment Required
- Upstream price feed unavailability may cause stale or missing current_price
- Network timeout returns no data for real-time fields

## How this service works

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

## Output

Returns a JSON object with ETH's current price, trend direction (up/down/sideways), ADX-14 strength classification (weak/moderate/strong/very_strong), 30-day support and resistance price levels, percentage above support, percentage below resistance, daily slope percentage, and number of days in the current trend regime.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "_meta": {
   "disclaimer": "Informational research data only — not investment advice."
  },
  "adx_14": 28.4,
  "symbol": "BTC",
  "strength": "moderate",
  "direction": "up",
  "support_30d": 62000,
  "current_price": 68500,
  "resistance_30d": 74000,
  "pct_above_support": 10.48,
  "slope_pct_per_day": 0.42,
  "pct_below_resistance": 7.43,
  "duration_days_in_regime": 8.5
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/carbon-cashmere-eth-trend-signal-4e7ebb4d/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)