🗄️Developer Resource // JSON Endpoint

BL JSON Data API

Access 115 data points for BL spanning 10 years (2016–Apr 22, 2026). Optimized JSON format (16.8 KB).

Programmable Sovereign Interface — chart this JSON in the Terminal.
Local-first analysis. Stateless data. Your browser is the vault.

Download as CSV

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

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

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{
  "symbol": "BL",
  "timestamp": "2026-04-22T19:21:18.977Z",
  "price": 31.48,
  "change_24h": -0.25348542458808077,
  "history_sample": [
    {
      "date": "2016-11-01",
      "open": 22.35,
      "high": 28.77,
      "low": 21.66,
      "close": 26.94,
      "volume": 4458500
    },
    {
      "date": "2016-12-01",
      "open": 26.06,
      "high": 28.52,
      "low": 24.14,
      "close": 27.63,
      "volume": 4387600
    }
  ]
}
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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 BL
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Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync BL.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