--- title: Best YouTube posts — September 2025 | daily.dev description: The most upvoted YouTube posts from September 2025, curated by the daily.dev community. canonical: https://daily.dev/sources/youtube/best-of/2025/09 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/youtube/best-of/2025/09 og:type: website og:site_name: daily.dev og:title: Best YouTube posts — September 2025 | daily.dev og:description: The most upvoted YouTube posts from September 2025, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of YouTube — September 2025 1. 1 [](https://daily.dev/posts/how-to-design-apis-like-a-senior-engineer-rest-graphql-auth-security--dzaxczeqa "How to Design APIs Like a Senior Engineer (REST, GraphQL, Auth, Security)") Video YouTube · 51w How to Design APIs Like a Senior Engineer (REST, GraphQL, Auth, Security) A comprehensive guide covering advanced API design principles that distinguish senior engineers from junior developers. Explores REST, GraphQL, and gRPC architectures, application protocols (HTTP, WebSockets, AMQP), transport layer protocols (TCP/UDP), and authentication methods including OAuth2 and JWT tokens. Covers practical aspects like resource modeling, status codes, error handling, filtering, pagination, and security best practices for building scalable, maintainable APIs. 82 1 2. 2 [](https://daily.dev/posts/bytebot-os-first-ever-ai-operating-system-is-insane-opensource--8tax27ijd "ByteBot OS: First-Ever AI Operating System IS INSANE! (Opensource)") Video YouTube · 51w ByteBot OS: First-Ever AI Operating System IS INSANE! (Opensource) ByteBot OS is an open-source AI operating system that automates desktop tasks across Linux, Windows, and macOS through natural language prompts. Unlike browser-only automation tools, it runs in a containerized virtual desktop environment where AI agents can interact with desktop applications, manage files, and complete multi-step workflows. The system can be self-hosted using Docker Compose and supports various AI models including local ones through Ollama integration. 25 1 3. 3 [](https://daily.dev/posts/ai-ml-full-course-2025-complete-artificial-intelligence-and-machine-learning-tutorial-edureka-hq0jusqja "AI & ML Full Course 2025 | Complete Artificial Intelligence and Machine Learning Tutorial | Edureka") Video YouTube · 52w AI & ML Full Course 2025 | Complete Artificial Intelligence and Machine Learning Tutorial | Edureka A comprehensive beginner-friendly course covering artificial intelligence and machine learning fundamentals. Explores AI history from the Turing test to modern applications, explains the differences between AI, ML, and deep learning, and discusses various AI types from narrow to super intelligence. Covers Python's role in AI development, essential libraries like TensorFlow and scikit-learn, and practical applications in cybersecurity and entertainment. Includes hands-on examples and prepares learners for building intelligent systems that can make predictions and solve real-world problems. 23 4. 4 [](https://daily.dev/posts/api-design-and-architecture---backend-engineering-intro-1-hour--prwkj9nel "API Design and Architecture - Backend Engineering Intro (1 Hour)") Video YouTube · 50w API Design and Architecture - Backend Engineering Intro (1 Hour) A comprehensive introduction to API concepts, design, and architecture focusing primarily on REST APIs. Covers fundamental concepts like HTTP methods (GET, POST, PUT, DELETE, PATCH), JSON data format, endpoint structure, and URL design patterns. Explains different API types including REST, SOAP, GraphQL, gRPC, and WebSockets. Discusses practical aspects like passing data through paths, query parameters, and request bodies, along with proper security considerations. Introduces status codes and touches on advanced topics like pagination, authentication, and API documentation. 19 5. 5 [](https://daily.dev/posts/cloudflare-just-killed-all-vibe-coding-tools--kwddf5zxy "Cloudflare Just Killed ALL Vibe Coding Tools!") Video YouTube · 49w Cloudflare Just Killed ALL Vibe Coding Tools! Cloudflare launched a one-click deployment tool for creating AI-powered coding platforms, competing with services like Replit and Bolt. The demonstration shows building a complete vibe coding platform in minutes, featuring customizable AI models, automatic deployment, and integration with various development tools. Additionally covers Chrome DevTools MCP for AI agents to analyze and optimize websites, and highlights Zapier's recent bundling of tables, interfaces, and automation tools into their free plan. 14 2 6. 6 [](https://daily.dev/posts/how-to-get-ahead-of-99-of-people-with-ai--wezpccagy "How to Get Ahead of 99% of People (with AI)") Video YouTube · 1y How to Get Ahead of 99% of People (with AI) A comprehensive guide to advanced ChatGPT techniques including creating master prompts (personal context documents), system prompts (behavior definitions), project folders for organized context, canvas feature for iterative editing, custom instructions for consistent formatting, and custom GPTs for reusable workflows. The approach focuses on providing AI with detailed context about your role, preferences, and goals to generate more accurate and personalized outputs. 10 [See all YouTube archives](/sources/youtube/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/sources/youtube/best-of/2025/09#page","url":"https://daily.dev/sources/youtube/best-of/2025/09","name":"Best YouTube Posts — September 2025","description":"The most upvoted YouTube posts from September 2025, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/youtube/best-of/2025/09#items","numberOfItems":6,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/how-to-design-apis-like-a-senior-engineer-rest-graphql-auth-security--dzaxczeqa","name":"How to Design APIs Like a Senior Engineer (REST, GraphQL, Auth, Security)"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/bytebot-os-first-ever-ai-operating-system-is-insane-opensource--8tax27ijd","name":"ByteBot OS: First-Ever AI Operating System IS INSANE! 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