chatbot_fastapi_langgraph

Chatbot using fastapi and langgraph

Setup

1. Install dependencies

pip install -r requirements.txt

2. Set up environment variables

cp example.env .env

paste your api keys in the .env file

2. Run the application

uvicorn main:app --reload

3. Access the application

http://localhost:8000

4. Chat with the chatbot

curl -X POST "http://127.0.0.1:8000/chat" \
     -H "Content-Type: application/json" \
     -d '{
           "messages": ["Hello, how are you?"],
           "thread_id": "example_thread"
         }'