🗄️Developer Resource // JSON Endpoint

ECLN JSON Data API

Access 349 data points for ECLN spanning 7 years (2019–Apr 20, 2026). Optimized JSON format (51.1 KB).

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Download as CSV

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

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

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{
  "symbol": "ECLN",
  "timestamp": "2026-04-22T19:27:44.518Z",
  "price": 32.3149,
  "change_24h": -0.641993377137277,
  "history_sample": [
    {
      "date": "2019-08-19",
      "open": 20.06,
      "high": 20.26,
      "low": 19.98,
      "close": 19.98,
      "volume": 4735
    },
    {
      "date": "2019-08-26",
      "open": 20.11,
      "high": 20.49,
      "low": 20.11,
      "close": 20.49,
      "volume": 11036
    }
  ]
}
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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 ECLN
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Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync ECLN.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)
> system_ready. Initialize Sovereign reasoning for this asset?[Y]— open Terminal