🗄️Developer Resource // JSON Endpoint

BLR JSON Data API

Access 222 data points for BLR spanning 20 years (1999–Mar 1, 2019). Optimized JSON format (32.5 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 BLR historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

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

Tired of exporting to Excel? Track BLR and analyze your portfolio locally with Pocket Portfolio.

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{
  "symbol": "BLR",
  "timestamp": "2026-04-22T17:56:09.949Z",
  "price": null,
  "change_24h": null,
  "history_sample": [
    {
      "date": "1999-09-01",
      "open": 0.3,
      "high": 0.3,
      "low": 0.3,
      "close": 0.3,
      "volume": 7000
    },
    {
      "date": "1999-10-01",
      "open": 0.3,
      "high": 0.36,
      "low": 0.21,
      "close": 0.24,
      "volume": 36934
    }
  ]
}
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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 BLR
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Need to archive this data?

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