# Market Intelligence API – SEC Fails-to-Deliver (Hard-to-Borrow / Short Squeeze Screener)

> Market Intelligence API – SEC Fails-to-Deliver (Hard-to-Borrow / Short Squeeze Screener) is a paid API for AI agents from api.marketintelligenceapi.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).

Returns the US securities with the largest fails-to-deliver by value from the latest SEC NSCC CNS settlement data, including share count, price, and total value, to identify hard-to-borrow stocks and potential short squeeze candidates.

## Facts

- Endpoint: GET https://api.marketintelligenceapi.com/api/v1/sec/fails-to-deliver?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/market-intelligence-api-sec-fails-to-deliver-hard-to-borrow-short-b2f84ad0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_gzSlpofq4Ie4cuSbrsHbs

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 market-intelligence-api-sec-fails-to-deliver-hard-to-borrow-short-b2f84ad0
```

Example prompt: Pull up the latest SEC fails-to-deliver data and show me which US stocks have the largest FTD values right now — I'm looking for hard-to-borrow names and potential short squeeze candidates.

## When to prefer this

Use this endpoint when you need to screen for hard-to-borrow securities or short squeeze candidates using authoritative SEC NSCC CNS fails-to-deliver data ranked by dollar value. Prefer this over generic stock screeners when you specifically need settlement failure data as a signal, rather than short interest ratios or borrow rates from prime brokers.

## Known failure modes

- SEC data not yet updated for the current settlement date — returns the most recent available data which may be lagged
- No FTD data available for a particular date (e.g. market holiday) — endpoint may return empty or prior date results
- Payment failure (x402 micropayment not processed) — request blocked
- Rate limiting or API downtime — HTTP 429 or 503 response

## How this service works

Fails to deliver and short squeeze candidates ($0.01): US securities with the largest fails-to-deliver by value on the latest settlement date in SEC data (NSCC CNS), with shares, price and value. Use to spot hard-to-borrow stocks.

## Output

A ranked list of US securities with the highest fails-to-deliver by value on the most recent settlement date, including each stock's ticker symbol, number of shares failed to deliver, current price, and total FTD value in dollars, sourced from SEC NSCC CNS data.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input",
  "output"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "limit": {
       "type": "integer",
       "default": 25,
       "maximum": 100,
       "minimum": 1,
       "description": "Maximum number of results to return"
      },
      "includeFunds": {
       "type": "boolean",
       "default": false,
       "description": "Also list ETFs and funds (their units fail routinely in creation and redemption)"
      }
     },
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "description": "Example JSON response returned by this endpoint"
    }
   },
   "additionalProperties": true
  }
 },
 "additionalProperties": false
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/market-intelligence-api-sec-fails-to-deliver-hard-to-borrow-short-b2f84ad0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.marketintelligenceapi.com](https://www.zero.xyz/host/api.marketintelligenceapi.com/llms.txt)