Specialized Providers API Reference

The Specialized Providers API exposes targeted endpoints for SEC EDGAR insider transactions, JustETF details, and equity index constituents.

---

GET /insider-transactions/{ticker}

Fetch Form 4 insider transactions filed with the US Securities and Exchange Commission (SEC EDGAR). Cached for 12 hours.

Parameters

Parameter	Type	Required	Default	Description
ticker	string	✅	—	US Equity Ticker (e.g. AAPL, TSLA)

Response Example

{
  "ticker": "AAPL",
  "source": "SEC_EDGAR",
  "count": 1,
  "transactions": [
    {
      "filing_date": "2026-08-01",
      "reporting_owner": "COOK TIMOTHY D",
      "officer_title": "Chief Executive Officer",
      "transaction_type": "P - Purchase",
      "shares": 50000,
      "price_per_share": 220.50,
      "total_value": 11025000
    }
  ]
}

---

GET /etf/{isin}/details

Scrape ETF metadata, expense ratio (TER), Assets Under Management (AUM), and top 10 holdings from JustETF.

Parameters

Parameter	Type	Required	Default	Description
isin	string	✅	—	European ETF ISIN (e.g. IE00B4L5Y983)

Response Example

{
  "isin": "IE00B4L5Y983",
  "name": "iShares Core MSCI World UCITS ETF",
  "ter_pct": 0.20,
  "aum_eur": 65000000000,
  "replication": "Physical",
  "top_holdings": [
    { "name": "Apple Inc.", "weight_pct": 4.85 },
    { "name": "Microsoft Corp.", "weight_pct": 4.20 }
  ]
}

---

GET /index/{index_name}/constituents

Fetch current constituent stocks for major financial market indices (sp500, cac40, nasdaq100, dax).

Parameters

Parameter	Type	Required	Default	Description
index_name	string	✅	—	Index name (sp500, cac40, nasdaq100, dax)