# TwelveX ATR (Average True Range) Indicator

> TwelveX ATR (Average True Range) Indicator is a paid API for AI agents from twelv1x402.vercel.app, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-13).

Returns the Average True Range (ATR) technical indicator for a given financial symbol, measuring market volatility.

## Facts

- Endpoint: GET https://twelv1x402.vercel.app/api/atr/%7Bsymbol%7D
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/twelvex-atr-average-true-range-indicator-05505a26
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hWa6BgxOV2flNqOT_4xiw

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 twelvex-atr-average-true-range-indicator-05505a26
```

Example prompt: What's the 14-period ATR for AAPL on a daily interval? I want to gauge how volatile the stock has been lately.

## When to prefer this

Use this endpoint when you need to quantify market volatility for a specific asset using the Average True Range technical indicator, especially for stop-loss placement, position sizing, or breakout strategies. Prefer this over raw price data endpoints when volatility measurement is the goal.

## Known failure modes

- Invalid or unsupported ticker symbol returns an error
- Unsupported interval value causes a bad request
- Payment not provided triggers a 402 Payment Required response
- Twelve Data upstream outage causes service unavailability
- Rate limiting if too many requests are made in a short window

## How this service works

Premium financial data API — 25 endpoints for stocks, forex, crypto, and technical analysis. Powered by Twelve Data.

## Output

Returns ATR (Average True Range) values for the specified symbol, showing market volatility over the given time period and interval. Typically includes a time series of ATR readings calculated from high, low, and close prices.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "interval": {
   "type": "string"
  },
  "time_period": {
   "type": "string",
   "description": "Default: 14"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/twelvex-atr-average-true-range-indicator-05505a26/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from twelv1x402.vercel.app](https://www.zero.xyz/host/twelv1x402.vercel.app/llms.txt)