Introduction: Why Rate Limiting Matters APIs are like highways—without traffic control, they can get clogged or even crash. One common source of "traffic jams" in APIs is anonymous users making too many requests. This could …

In many real-world applications, you may not always want to return all fields in a serializer. You might want to: Return a subset of fields based on user role. Return different fields based on context …

In Django REST Framework (DRF), serializers convert model instances into JSON-friendly Python data types. Normally, this is handled automatically. But sometimes, you need more control over the final output — for example, to: Add or …

In Django REST Framework, a ModelSerializer typically maps model fields to serializer fields automatically. But what if you want to include a computed or dynamic value that isn’t a direct field on your model? That’s …

In Django REST Framework (DRF), relationships between models are often represented by their primary keys. However, in many APIs, using human-readable identifiers (like a username, email, or a slug field) is more user-friendly and expressive. …

When working with relational data in Django REST Framework, you often need to represent relationships like ForeignKey, OneToOneField, or ManyToManyField. While nested serializers are great for displaying related data, sometimes all you need is to …

In Django REST Framework (DRF), relationships between models—such as ForeignKey, OneToOneField, and ManyToManyField—can be represented as nested structures using serializers. DRF provides a simple way to serialize related objects using the depth option in a …

Nested serializers allow you to represent relationships between models in a structured, human-readable way. While basic nesting is simple, advanced nested serialization—especially writable nested serializers—can be more complex. In this article, we’ll cover: ✅ Recap …

Filtering is a crucial feature for building dynamic and user-friendly APIs. While DjangoFilterBackend and django-filter handle basic filtering out of the box, sometimes you need more power. That’s where Custom Filters come in. In this …

Filtering is one of the most common and essential features in any API. Whether you're narrowing down a list of blog posts by author or fetching products under a certain price, filtering makes your APIs …

When building APIs, clients often want to control the order in which data is returned—such as sorting blog posts by date or products by price. Django Rest Framework provides a built-in tool for this: OrderingFilter. …

When building APIs, users often expect to search through data just like they would in a web app or database. Django Rest Framework provides a powerful and simple tool for this: the SearchFilter. In this …

Filtering is a core part of building powerful, dynamic, and user-friendly APIs. Django Rest Framework (DRF) makes this easy using filter_backends, which allow you to control how querysets are filtered based on request parameters. This …

Pagination helps keep API responses fast, small, and user-friendly. While DRF provides built-in classes like PageNumberPagination, LimitOffsetPagination, and CursorPagination, there are times when you need custom behavior—and that’s where Custom Pagination Classes come in. This …

As your datasets grow and users scroll endlessly through results, pagination becomes critical—not just for performance but for a seamless experience. CursorPagination is DRF’s most stable and secure pagination class, ideal for large or frequently …