Launch AppUtility
🗄️Developer Resource // JSON Endpoint

HOWL JSON Data API

Access 254 data points for HOWL spanning 5 years (2021–Mar 2, 2026). Optimized JSON format (37.2 KB).

Download as CSV

Prefer CSV format? Download HOWL historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

GET /api/tickers/HOWL/json● 200 OK (Live)

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{
  "symbol": "HOWL",
  "timestamp": "2026-03-09T08:55:01.206Z",
  "price": 0.6319,
  "change_24h": 1.7060935647131075,
  "history_sample": [
    {
      "date": "2021-04-26",
      "open": 18.21,
      "high": 23.99,
      "low": 15.59,
      "close": 16.1,
      "volume": 3452500
    },
    {
      "date": "2021-05-03",
      "open": 16.49,
      "high": 17,
      "low": 13.03,
      "close": 14.25,
      "volume": 1263600
    }
  ]
}
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Import via CLI

Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.

npx pocket-portfolio --import HOWL
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Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync HOWL.json updates to your private Google Drive for backtesting and compliance.

Enable Sovereign Sync

Includes unlimited API calls & historical CSV exports.

Dataset Specifications

  • Format: Standardized JSON (OHLCV)
  • Frequency: End-of-Day (EOD) + Real-time delay
  • Adjustments: Split-adjusted, Dividend-adjusted
  • Source: Multi-provider aggregation (AlphaVantage, Yahoo fallback)