Home>Courses>Building your own API with Rails

Building your own API with Rails

Delve into creating, optimizing, and securing a Rails API from scratch. Gain insights into building a full-fledged, efficient Rails API, ready for immediate use.

Beginner

77 Lessons

14h 45min

Certificate of Completion

Delve into creating, optimizing, and securing a Rails API from scratch. Gain insights into building a full-fledged, efficient Rails API, ready for immediate use.

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

92 Playgrounds

8 Quizzes

Course Overview

What You'll Learn

Course Content

Course Overview

This course is a comprehensive tutorial that will teach you the best way to build your next API with Rails. You’ll learn to create a Rails API from scratch and to optimize and secure a Rails API. By the end of this course, you’ll have a full-fledged Rails API ready to be used.

What You'll Learn

Learn how to create an application using Rails

Learn about the MVC (Model View Controller) architecture and how it is used in Rails

Learn how to create and expose endpoints of a Rails API

Learn securing the endpoints of a Rails API using user authorization

Learn to optimize a Rails application

Learn how to create an application using Rails

Course Content

Getting Started

3 Lessons

Get familiar with building a RESTful API using Rails, focusing on a marketplace app.

Introduction to the Course

The Marketplace Application

Initializing the App

The API

4 Lessons

Walk through API structure, routes configuration, and versioning for designing a scalable Rails API.

API Structure

Routes Constraints and Namespaces

Versioning the API

Quiz Yourself: The API

User Model

12 Lessons

Master the steps to create, manage, and test a robust user model in Rails API.

Generating the User Model

Migration File

Validating the User Model

Test Our Resources with curl

Quiz Yourself: User Model

Authenticating the Users

8 Lessons

Break down the steps to set up user authentication with JWT tokens in Rails APIs.

Stateless Session

JWT Presentation

Setting Up the Authentication Token

Token’s Controller

Create Tokens

Logged User

Authentication with the Token

Quiz Yourself: Authenticating the Users

User's Products

12 Lessons

Take a closer look at creating, validating, and testing a User's Products in Rails API.

Generating the Product Model

Migration File

Validating the Product Model

Quiz Yourself: Product Model

Building JSON

11 Lessons

Focus on optimizing API output, creating efficient serializers, handling associations, and implementing search functionalities.

API Output

Presentation of JSON:API

Serialize User

Serialize Product

Serialize Associations

Theory of the Injection of Relationships

Application of the Injection of Relationships

Retrieve User’s Products

Search for Products

Search Engine

Quiz Yourself: Building JSON

Placing Orders

9 Lessons

Learn how to improve managing orders, validating models, building endpoints, and sending confirmations.

The Order Model

Validating the Order Model

Send an Order Confirmation Email

Quiz Yourself: Order and Placement Model

Improving Orders

6 Lessons

Step through improving order management by handling product quantities, stock validation, and accurate total calculations.

Decrementing Product Quantity

Add quantity to the Placement Model

Extending the Placement Model

Validate Quantity of Products

Updating the Total

Quiz Yourself: Improve Order Placement

Optimizations

9 Lessons

Get started with pagination, API caching, solving N+1 queries, and enabling CORS for better optimization.

Pagination

Paginate Products List

Paginate Orders List

Refactoring Pagination

API Caching

N+1 Queries

Prevention of N + 1 Requests

Activation of CORS

Quiz Yourself: Optimization Techniques

10.

Wrap up

2 Lessons

Master the steps to test your Rails API and reflect on your learning journey.

Test the Application

Conclusion

11.

Appendix

1 Lessons

Find out about setting up a development environment for Rails API development.

Setting Up a Development Environment

Course Author

Alexandre Rousseau

Trusted by 2.5 million developers working at companies

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

Carlos Matias La Borde

Software Developer

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

Front-end Developer

"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."

Vinay Krishnaiah

Software Developer

"I've tried probably 5-7 different sites and Educative is easily the best. It perfectly blends explanation with interactivity"

Eric Downs

Musician/Entrepeneur

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Free Resources

FOR TEAMS

Interested in this course for your business or team?

Unlock this course (and 1,000+ more) for your entire org with DevPath