7. IDE Support

VS Code Setup

# Install extensions:
# - Python (Microsoft)
# - Pylance
# - FastAPI Snippets (by Manas)

# Settings.json
{
  "python.linting.enabled": true,
  "python.linting.pylintEnabled": false,
  "python.linting.mypyEnabled": true,
  "python.formatting.provider": "black",
  "editor.formatOnSave": true
}

Pylance Features

• Type checking with type hints
• Auto-completion for FastAPI methods
• Parameter hints from Pydantic models
• Inline errors for type mismatches
• Go to Definition for dependencies

PyCharm Setup

PyCharm Professional has built-in FastAPI support including endpoint navigation, run configurations, and test generation.

Benefits

With type hints, your IDE can catch errors before you run the code — incorrect types, missing parameters, wrong return types. This is a major productivity boost.