Developed comprehensive integration documentation for the langchain-ai/langchain repository, focusing on the Langchain-Oxylabs connection. The work centered on creating clear setup instructions, example usage, and detailed API references to streamline adoption of Oxylabs’ web intelligence platform within Langchain. Leveraging Markdown and Python, the developer produced both written guides and Jupyter notebooks to illustrate integration workflows, aiming to reduce onboarding time for new users. The documentation update improved reference materials and enabled faster customer integration without introducing defects. This contribution established a solid foundation for future enhancements and supported teams in leveraging API usage and integration best practices effectively.