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API_CONFIG.md

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API Configuration Summary

Current Status

✅ Both frontend (Streamlit) and backend (Jupyter Notebook) are properly configured to handle API authentication

What Was Fixed

1. Removed Hardcoded Fake API Keys

  • Deleted invalid test key from .env file
  • Updated .env file with template showing correct format

2. Implemented Proper Environment Variable Loading

  • Frontend: app.py checks for valid API key and displays helpful warnings
  • Backend: Notebook cells use load_dotenv() to read from .env file

3. Added Error Handling

  • Frontend shows user-friendly error messages
  • Backend gracefully handles missing/invalid credentials
  • Both provide guidance to users on how to fix issues

4. Created Setup Documentation

  • Added SETUP.md with complete configuration instructions
  • Includes troubleshooting guide
  • Links to OpenAI API key management

Required Action

To Get Everything Working:

  1. Get your real OpenAI API key from https://platform.openai.com/account/api-keys
  2. Edit the .env file in the project root: 
    OPENAI_API_KEY=sk-your-actual-api-key-here
  3. Replace sk-your-actual-api-key-here with your real key
  4. Save the file
  5. Restart the Streamlit app and Jupyter notebook

File Changes Made

.env (Updated)

# Before (Invalid):
OPENAI_API_KEY = "sk-ggZa8EzSId6MFdQxC3BlbkFJILHYp8uIskTobqR9xbZJ"

# After (Template):
OPENAI_API_KEY=your-api-key-here

app.py (Enhanced)

  • Added API key validation
  • Improved error messages
  • User-friendly warnings when API key is missing/invalid

Experiment.ipynb (Enhanced)

  • Uses load_dotenv() to load from .env
  • Validates API key before using
  • Has try-except blocks for all API calls

SETUP.md (New)

  • Complete setup instructions
  • Troubleshooting guide
  • Feature overview

Security Note

✅ The .env file is already in .gitignore (create one if needed) ✅ Never commit real API keys to version control ✅ Each developer should have their own .env file with their API key

Next Steps

  1. Add your actual OpenAI API key to .env
  2. Run Streamlit: streamlit run app.py
  3. Run Notebook: Open in VS Code or Jupyter
  4. Both should work without authentication errors
⚡