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🗄️Developer Resource // JSON Endpoint

ESGF JSON Data API

Access 314 data points for ESGF spanning 6 years (2020–Jan 19, 2026). Optimized JSON format (46.0 KB).

GET /api/tickers/ESGF/json● 200 OK (Live)
{
  "symbol": "ESGF",
  "timestamp": "2026-01-21T21:29:12.845Z",
  "price": 30.81,
  "change_24h": 0.6533812479581813,
  "history_sample": [
    {
      "date": "2020-01-20",
      "open": 30.67,
      "high": 30.79,
      "low": 30.67,
      "close": 30.79,
      "volume": 14028
    },
    {
      "date": "2020-01-27",
      "open": 30.79,
      "high": 30.98,
      "low": 30.79,
      "close": 30.98,
      "volume": 23838
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import ESGF
🛡️

Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync ESGF.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)