#4 Path Parameters & Query Parameters in FastAPI | FastAPI Tutorial

Learn Path Parameters and Query Parameters in FastAPI! In this tutorial, you’ll understand how to handle dynamic URLs and pass data to your API endpoints.

📚 WHAT YOU’LL LEARN:

✅ Path Parameters:
• What are path parameters and why use them ?
• How to define path parameters in FastAPI ?
• Dynamic URL routing with path parameters.
• Data type validation for path parameters
• Real examples: /users/{user_id}, /products/{product_id}

✅ Query Parameters:
• What are query parameters and their use cases
• How to add query parameters to endpoints
• Optional vs Required query parameters
• Default values for query parameters
• Real examples: /search?q=python&limit=10

✅ Path vs Query Parameters:
• Key differences explained
• When to use path parameters
• When to use query parameters
• Best practices for API design

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