# I Built an AI Chatbot SaaS Using Next.js, TypeScript & OpenAI > Source: > Published: 2026-06-25 16:10:41+00:00 Over the last few days, I've been working on a production-ready AI Chatbot SaaS application to strengthen my Full Stack Development skills and gain hands-on experience with modern AI-powered applications. What I Built A complete AI Chatbot SaaS platform that provides a ChatGPT-style experience with user authentication, conversation management, and AI-powered responses. Key Features ✅ User Authentication ✅ Secure Login & Registration ✅ OpenAI Integration ✅ ChatGPT-Style Interface ✅ Conversation History ✅ Create, Rename & Delete Chats ✅ Markdown & Code Block Support ✅ Dark & Light Mode ✅ Responsive Dashboard ✅ PostgreSQL Database Integration ✅ Modern SaaS UI Tech Stack Frontend Next.js 15 TypeScript Tailwind CSS Shadcn UI Backend Next.js API Routes Server Actions Database PostgreSQL Prisma ORM Authentication NextAuth.js AI OpenAI API Why I Built This Project As a Full Stack Developer, I wanted to move beyond simple CRUD applications and start building real-world SaaS products that combine: Modern Frontend Development Backend Architecture Database Design Authentication Systems AI Integration This project helped me understand how production AI applications are structured and how conversational AI can be integrated into modern SaaS platforms. Project Screenshots 📸 Screenshot 1 (Add Here) 📸 Screenshot 2 (Add Here) 📸 Screenshot 3 (Add Here) 📸 Screenshot 4 (Add Here) GitHub Repository GitHub: [https://github.com/foxilittlethin29-arch](https://github.com/foxilittlethin29-arch) Feel free to explore my repositories, provide feedback, or connect with me. What's Next? I'm currently building more AI-powered SaaS applications, including: Social Media AI Automation SaaS AI Resume Reviewer GitHub Profile Analyzer AI Workflow Automation Tools My goal is to keep learning by building and sharing real-world projects publicly. Thanks for reading! 🚀