0Pricing
Elixir & Phoenix: Scalable Backend Development · Lesson

Pagination, Filtering & API Versioning

Make Phoenix APIs scalable and maintainable with query pagination, flexible filtering, and clean versioning strategies.

Why Pagination Matters

Returning every record in one response is slow and memory-heavy. Pagination sends data in manageable pages.

Offset-Based Pagination

The classic approach uses limit and offset driven by query params like ?page=2&per_page=20.

from(p in Post, limit: ^per_page, offset: ^((page - 1) * per_page))

All lessons in this course

  1. API Design Principles and Best Practices
  2. Implementing API Endpoints and Serialization
  3. Authentication and Authorization Strategies
  4. Pagination, Filtering & API Versioning
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