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API archive entry · source-reported

KeepRule

Investment principles and quotes from Buffett, Munger & more

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Free, open-source API serving curated investment wisdom from the world's greatest investors — Warren Buffett, Charlie Munger, Benjamin Graham, Peter Lynch, Howard Marks, Ray Dalio, and more. Powered by KeepRule — Your guide to timeless investment principles. All endpoints are static JSON files hosted on GitHub Pages. No authentication required. Base URL: https://henu-wang.github.io/keeprule-api Risk Management, Value Investing, Market Psychology, Long-term Thinking, Mental Models, Decision Making, Circle of Competence, Portfolio Management, Business Quality, Self-improvement, Contrarian Thinking, Research, Compounding KeepRule is…

henu-wang/keeprule-api on GitHub A short preview, not the full document.

Read the full README ↗ · Preview checked 2026-09-20T18:33:13.875Z

Inside the original README — Document outline
  1. KeepRule Investment Principles API
  2. API Endpoints
  3. Data Format
  4. Principles
  5. Authors
  6. Categories
  7. Usage Examples
  8. cURL
  9. JavaScript
  10. Python
  11. Featured Investors
  12. Categories

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Record checkpoints

  1. First observed: Sep 20, 2026
  2. Last directory-field change: Sep 20, 2026
  3. Current source observation: Sep 20, 2026

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