Build AI Chatbots in Hours, Not Months – ChatRAG AI Chatbot SaaS Course | DigiHub Courses

Build AI chatbots with ChatRAG. Learn RAG, Next.js, Supabase, WhatsApp integration, and launch your own AI chatbot SaaS business.

Are you a developer, entrepreneur, freelancer, or AI builder who wants to enter the booming AI chatbot market without spending months building everything from scratch?

Build AI Chatbots in Hours, Not Months – ChatRAG is a complete AI chatbot SaaS training and boilerplate system created by Carlos Marcial. It helps you build, launch, and monetize powerful RAG-based AI chatbots using modern tools like Next.js, LlamaCloud, Supabase, OpenRouter, WhatsApp integration, Stripe, and Polar.

Instead of wasting time building authentication, document upload, vector storage, chatbot UI, billing, and RAG infrastructure from zero, ChatRAG gives you a production-ready foundation to start faster.

This is ideal for anyone who wants to create AI customer support bots, internal company chatbots, documentation assistants, client chatbot services, or a full AI chatbot SaaS business.

Benefits & Outcomes

✅ Learn how to build AI chatbots using a production-ready Next.js boilerplate

✅ Master RAG chatbot development with document parsing and vector search

✅ Use LlamaCloud for PDF, Excel, and document processing

✅ Store and retrieve chatbot knowledge using Supabase vector database

✅ Access multiple AI models through OpenRouter

✅ Add WhatsApp chatbot functionality without needing a WhatsApp Business account

✅ Create image, video, and 3D asset generation features inside chats

✅ Launch single-tenant or multi-tenant chatbot SaaS products

✅ Add monetization with Stripe and Polar payments

✅ Build AI chatbot services for clients and keep 100% of your SaaS profits

✅ Save months of development time with a “pay once, own forever” system

Full Course Outline

Module 1: ChatRAG Foundation

Understand what ChatRAG is, how the system works, and how it helps you launch AI chatbot products faster.

You will learn:

• What RAG-powered chatbots are
• Why AI chatbot SaaS is a growing opportunity
• How ChatRAG combines Next.js, Supabase, LlamaCloud, and OpenRouter
• How to use ChatRAG as a business-in-a-box system
• How to avoid rebuilding the same chatbot infrastructure repeatedly

Module 2: Next.js Chatbot SaaS Setup

Set up the technical foundation for your AI chatbot application.

You will learn:

• How to work with the Next.js boilerplate
• How authentication and user accounts are handled
• How chatbot interfaces are structured
• How saved chat history works
• How to prepare your chatbot SaaS for real users

Module 3: RAG Pipeline & Document Embedding

Learn how ChatRAG turns documents into chatbot knowledge.

You will learn:

• How Retrieval-Augmented Generation works
• How to upload and process PDFs, Excel files, and documents
• How LlamaCloud handles document parsing
• How embeddings are created
• How Supabase stores vector data
• How chatbots retrieve accurate answers from uploaded knowledge

Module 4: AI Model Access with OpenRouter

Use powerful AI models inside your chatbot system.

You will learn:

• How OpenRouter connects your chatbot to multiple AI models
• How to configure model access
• How to choose models for different chatbot use cases
• How to improve chatbot responses with better prompts and retrieval
• How to support flexible AI model workflows

Module 5: WhatsApp Chatbot Integration

Connect your AI chatbot to WhatsApp for real-world business use.

You will learn:

• How WhatsApp chatbot integration works
• How to connect chatbots without a WhatsApp Business account
• How businesses can use WhatsApp AI assistants
• How to serve clients who want chatbots on messaging apps
• How to create chatbot solutions for local and online businesses

Module 6: Advanced AI Chat Features

Add powerful features beyond basic text chat.

You will learn:

• How to generate images inside chats
• How video and 3D asset generation can be used
• How web search can work with RAG
• How multilingual chatbot experiences can be created
• How advanced AI tools can make your chatbot product stand out

Module 7: SaaS Monetization & Payments

Turn your chatbot product into a revenue-generating business.

You will learn:

• How to add Stripe payments
• How to use Polar for subscriptions and one-time payments
• How to create paid chatbot access
• How to charge clients or users monthly
• How to build recurring revenue from chatbot products

Module 8: Single-Tenant & Multi-Tenant Deployment

Build chatbot systems for both individual clients and SaaS users.

You will learn:

• How single-tenant chatbot setups work
• How shared knowledge bases are used
• How multi-tenant workspaces work
• How to isolate user data and client knowledge bases
• How to structure chatbot SaaS products for agencies, teams, and companies

Module 9: Launching Your AI Chatbot Business

Use ChatRAG to create services, SaaS products, or client projects.

You will learn:

• How to sell AI chatbot services
• How to build custom chatbots for businesses
• How to package chatbot solutions for clients
• How to create a subscription-based SaaS model
• How to keep ownership of your infrastructure and profits