# The Stall — Unusual Options Flow Data

> The Stall — Unusual Options Flow Data is a paid API for AI agents from the-stall.intuitek.ai, paid per call via x402, $0.025/call, status unknown (last checked 2026-09-14).

Returns unusual or notable options flow activity for equity or derivatives markets, highlighting large or atypical trades that may signal smart-money positioning.

## Facts

- Endpoint: GET https://the-stall.intuitek.ai/cap/options-flow-unusual
- Price: $0.025/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/the-stall-unusual-options-flow-data-e053a393
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_n3FtdQOK3T4fZYAZJMXhq

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 the-stall-unusual-options-flow-data-e053a393
```

Example prompt: Pull the latest unusual options flow from The Stall right now — I want to see any big or sweeping trades that stand out as potential smart-money activity.

## When to prefer this

Choose this endpoint when you need real-time or near-real-time unusual options flow intelligence without requiring a brokerage account or traditional API key setup. Ideal for AI agents needing to detect smart-money positioning signals, sweep orders, or abnormally large options trades via a pay-per-call USDC micropayment model on Base mainnet. Best suited for trading research, market monitoring, and signal generation workflows.

## Known failure modes

- Missing or malformed input parameters return a 400 error
- Payment not received or USDC balance insufficient returns a 402 Payment Required
- Market data unavailable during off-hours or data feed outage returns 503
- No unusual flow detected for the requested criteria returns an empty result set
- Rate limiting or repeated unpaid calls may result in request rejection

## How this service works

Domain-agnostic x402 capability chassis by IntuiTek¹. 300 AI-callable data services — pay USDC on Base mainnet. No accounts or API keys required.

## Output

Returns a list of flagged options trade records identified as unusual, typically including ticker symbol, option type (call/put), strike price, expiration date, premium paid, volume, open interest comparison, and trade classification (e.g. sweep, block). Data reflects recent market activity sourced from options tape surveillance.

## Request schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/the-stall-unusual-options-flow-data-e053a393/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from the-stall.intuitek.ai](https://www.zero.xyz/host/the-stall.intuitek.ai/llms.txt)