( Image generated by Gemini-pro )

GPCS (General Purpose Chat System) API is an AI powered chat system that allows users to interact with a chatbot. The chatbot is capable of answering questions, providing information, and making recommendations. The chatbot is powered by Google's Generative AI model ( Gemini-pro )

This API is built with cloud driven approach in mind, it uses AWS S3 for storing files, AWS Polly for text-to-speech, GCP Vertex AI ( Multimodal text, image, audio, video, PDF, code, and chat ) for chatbot, GCP Speech API for speech-to-text, Stripe and Razorpay for payment processing and websockets for real-time chat communication ( Between users and chatbot only )

• User authentication
• AI powered chatbot
• Voice interaction with the chatbot
• Hybrid payment system (Stripe and Razorpay)
• Real-time chat through websockets

• NodeJS ( v20.6.x or above )
• MongoDB ( No longer required )
• Azure OpenAI
• AWS S3
• AWS RDS
• AWS Polly
• AWS Keyspaces
• GCP Vertax API
• GCP Speech API
• Stripe API
• Razorpay API
• Docker ( Optional but recommended )

1. Clone the repository

git clone https://github.com/vinitparekh17/gpcs

2. Install dependencies

yarn install

3. Create a .env file in the root directory as per the .env.example file

4. Start the server

yarn server-dev # For development

yarn build && yarn start # For production