# finance.toonhaus.dev Options Chain

> finance.toonhaus.dev Options Chain is a paid API for AI agents from finance.toonhaus.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-10, last successful call 2026-06-10).

Returns an options chain with implied volatility (IV), volume, and open interest (OI) for a given stock symbol

## Facts

- Endpoint: GET https://finance.toonhaus.dev/api/stock/options?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Last successful call: 2026-06-10
- Success rate: 100% of calls made through Zero
- Rating: 4.0 / 5 from 1 review
- Activations on Zero: 1
- Tags: x402
- Canonical page: https://www.zero.xyz/c/finance-toonhaus-dev-9cdfc125
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_kaZDgHWayviI21XJfWJEw

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 finance-toonhaus-dev-9cdfc125
```

Example prompt: Pull up the full options chain for TSLA — I want to see the calls and puts across all expirations with their implied volatility, volume, and open interest.

## When to prefer this

Use this endpoint when you need options market data including implied volatility, volume, and open interest for a specific stock. Ideal for options strategy research, IV analysis, screening for unusual options activity, or building derivatives pricing tools. Prefer this over a generic stock quote endpoint when derivatives data (IV, OI, strike/expiry structure) is the primary need.

## Known failure modes

- Invalid or unrecognized ticker symbol returns an error or empty result
- Options data unavailable for tickers without listed options (e.g. OTC stocks)
- Payment failure or missing x402 payment header returns 402 status
- Stale or delayed data if market is closed or data feed is lagged
- Rate limiting or quota exceeded returns 429 error

## How this service works

Options chain with IV, volume, OI

## Output

Returns a structured options chain for the requested stock, including all available expiration dates and strike prices, with per-contract data: implied volatility (IV), trading volume, open interest (OI), and bid/ask prices for both calls and puts.

## Example request

```json
{
 "input": {
  "type": "http",
  "method": "GET",
  "queryParams": {
   "ticker": "AAPL"
  }
 }
}
```

## 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"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/finance-toonhaus-dev-9cdfc125/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from finance.toonhaus.dev](https://www.zero.xyz/host/finance.toonhaus.dev/llms.txt)