Building the API: Retrieval, Search, and Filter with FastAPI

Overview

Build essential API endpoints to make your app interactive and data-driven. Retrieve single, random, or popular recipes, browse with pagination, and filter by ingredients. Add serialization, error handling, and keep responses typed with Pydantic models.

Syllabus

Unit 1: Recipe Retrieval Endpoints

Creating the Schemas for our Routes
Creating FastAPI Route for Individual Recipe Retrieval by ID
Implement Recipe Retrieval Endpoint
Add Average Rating to Recipe API Endpoint
Create Recipe Serialization Utility Function
Refactor Recipe Endpoint with Response Models
Setting Up Paginated Recipes Endpoint
Implement Recipe API Pagination Logic

Unit 2: Advanced Recipe Search

Creating the missing Response Models
Create Recipe Steps Array Endpoint Structure
Implement Recipe Steps Array Processing
Implement Recipe Search Endpoint with Ingredient-Based Filtering and Input Validation
Implement Ingredient Lookup for Recipe Search
Building Complex Database Queries with Subqueries and Aggregate Functions
Complete Recipe Ingredient Search Query