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I Built an AI Chatbot SaaS Using Next.js, TypeScript & OpenAI

A developer built a production-ready AI Chatbot SaaS platform using Next.js, TypeScript, and OpenAI. The application features user authentication, conversation management, and a ChatGPT-style interface with PostgreSQL database integration. The project aims to demonstrate full-stack development skills and real-world AI integration in modern SaaS products.

read1 min views1 publishedJun 25, 2026

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 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! 🚀

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