🗄️Developer Resource // JSON Endpoint

FAIL JSON Data API

Access 107 data points for FAIL spanning 9 years (2016–Jan 1, 2025). Optimized JSON format (15.7 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 FAIL historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

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

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{
  "symbol": "FAIL",
  "timestamp": "2026-04-22T17:54:01.046Z",
  "price": 16.0987,
  "change_24h": -0.19776077765241382,
  "history_sample": [
    {
      "date": "2016-03-01",
      "open": 25.51,
      "high": 27.53,
      "low": 25.51,
      "close": 26.83,
      "volume": 142728
    },
    {
      "date": "2016-04-01",
      "open": 26.76,
      "high": 27.54,
      "low": 26.39,
      "close": 27.22,
      "volume": 28767
    }
  ]
}
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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 FAIL
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Need to archive this data?

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