# Script Master Labs FTD ETF Basket API

> Script Master Labs FTD ETF Basket API is a paid API for AI agents from mcp-x402.onrender.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).

Returns U.S. federal Failure-to-Deliver (FTD) data aggregated into a basket for a specified ETF ticker, paid per-call via x402/USDC.

## Facts

- Endpoint: GET https://mcp-x402.onrender.com/x402/ftd-etf-basket
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/script-master-labs-ftd-etf-basket-api-d2baf3d4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_P1uvHv_e1-2cQOAz8T_L4

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 script-master-labs-ftd-etf-basket-api-d2baf3d4
```

Example prompt: Pull the failure-to-deliver basket data for XRT from the federal dataset — I want to see which ETF constituents have FTD activity.

## When to prefer this

Use this endpoint when you need U.S. federal Failure-to-Deliver data specifically aggregated for one of the four supported ETF baskets (XRT, IWM, IJR, KRE) and want pay-per-call micropayment access without a subscription. Prefer this over broader financial data APIs when FTD basket-level granularity is needed for regulatory research or short-selling analysis.

## Known failure modes

- Invalid ETF ticker provided (not one of XRT, IWM, IJR, KRE) — likely returns 400 or empty result
- Payment not settled via x402 — returns HTTP 402 Payment Required
- Render cold-start latency may cause timeout on first call
- Federal data source unavailable or stale — may return outdated or empty FTD records

## How this service works

Pay-per-call crypto, RWA, federal, SEC, Section 8/HUD housing, and compliance APIs via x402. Primary: USDC on Base (eip155:8453). Also accepts Global Dollar (USDG) on Robinhood Chain (eip155:4663) via sovereign X-PAYMENT-TX. Hyphen routes only (e.g. /x402/gas-tracker, /x402/pha-lookup, /x402/sec-8k). MARKETPLACE REVIEW: use free /x402/playground/* (no key, no payment). Production /x402/* returns 402 unless paid via x402 or X-Api-Market-Key / X-API-Key from seller dashboard.

## Output

Returns aggregated U.S. federal Failure-to-Deliver (FTD) data for the requested ETF ticker (XRT, IWM, IJR, or KRE), including constituent-level FTD records sourced from official federal filings. Payment of $0.05 USDC is settled on Base via x402 before the response is delivered.

## 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": {
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "etf"
     ],
     "properties": {
      "etf": {
       "type": "string",
       "description": "ETF ticker (XRT, IWM, IJR, KRE)."
      }
     }
    }
   }
  },
  "output": {
   "properties": {
    "example": {}
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "example": {}
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/script-master-labs-ftd-etf-basket-api-d2baf3d4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from mcp-x402.onrender.com](https://www.zero.xyz/host/mcp-x402.onrender.com/llms.txt)