Mingjun Lim enhanced the tradeparadex/paradex-docs repository by delivering a comprehensive documentation update focused on API authentication and key management. He consolidated guidance on credentials, including main private keys, subkeys, and readonly tokens, and clarified their permissions, use cases, and lifecycle processes. Using Markdown and YAML, Mingjun reorganized the documentation under a new API Authentication section, refining instructions for JWT tokens and private key handling. His technical writing and API integration skills improved onboarding and security practices for client developers. The work demonstrated depth through detailed process descriptions and clear, actionable steps, resulting in more reliable and accessible integration documentation.