Building Scalable Django REST APIs

Introduction

Building scalable APIs is crucial for any modern web application. In this article, I'll share my experience and best practices for creating production-ready Django REST APIs.

Key Principles

1. Proper Authentication

Always implement proper authentication. Django REST Framework provides several authentication schemes:

2. Pagination

Never return unbounded querysets. Always implement pagination:

from rest_framework.pagination import PageNumberPagination

class StandardResultsSetPagination(PageNumberPagination):

page_size = 20

page_size_query_param = 'page_size'

max_page_size = 100

3. Error Handling

Implement consistent error responses across your API.

Conclusion

Building scalable APIs requires careful planning and adherence to best practices. These principles have helped me build APIs that handle millions of requests.

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