Do I need to complete the first course before this one?

Yes, we recommend completing "Introduction to GraphQL" to understand queries and schema basics before starting this course.

What tools will I learn in this course?

You’ll work with Apollo Server, Pub/Sub systems, authentication libraries, and deployment tools like Railway or Render.

Will I build real-world projects in this course?

Yes! You’ll build secure, modular GraphQL APIs and deploy them to the cloud, simulating real project workflows.

Is this course hands-on or theoretical?

Very hands-on. You’ll write mutations, set up resolvers, and deploy a functioning GraphQL server using real tools.

What if I get stuck during implementation?

You’ll have access to a learner community, discussion forums, and walkthroughs to support you throughout the course.

Will I learn authentication and access control?

Yes. You’ll implement token-based auth and control query/mutation access using user roles.

Does this course include real-time data?

Yes. Module 2 includes GraphQL subscriptions using a pub/sub model for real-time updates.

What kind of databases are covered?

You’ll connect both SQL and NoSQL databases using resolvers and data loaders.

Can I use this course to prepare for job roles?

Definitely. This course teaches production-level GraphQL practices used in industry.

Do I need to know deployment platforms beforehand?

No prior deployment experience is needed. You’ll learn step-by-step how to host your GraphQL server.

When will I have access to the lectures and assignments?

To access the course materials, assignments and to earn a Certificate, you will need to purchase the Certificate experience when you enroll in a course. You can try a Free Trial instead, or apply for Financial Aid. The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.

What will I get if I subscribe to this Specialization?

When you enroll in the course, you get access to all of the courses in the Specialization, and you earn a certificate when you complete the work. Your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile.

Is financial aid available?

Yes. In select learning programs, you can apply for financial aid or a scholarship if you can’t afford the enrollment fee. If fin aid or scholarship is available for your learning program selection, you’ll find a link to apply on the description page.

GraphQL API Development: Schema Design,Security & Deployment

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GraphQL API Development: Schema Design,Security & Deployment

This course is part of GraphQL Mastery: From Fundamentals to Production Specialization

Instructors: Board Infinity

Included with

Learn more

3 modules

Gain insight into a topic and learn the fundamentals.

Intermediate level

Recommended experience

1 week to complete

at 10 hours a week

Flexible schedule

Learn at your own pace

3 modules

Gain insight into a topic and learn the fundamentals.

Intermediate level

Recommended experience

1 week to complete

at 10 hours a week

Flexible schedule

Learn at your own pace

What you'll learn

Design advanced GraphQL schemas using enums, unions, and interfaces to create modular, scalable, and maintainable APIs
Implement secure and validated mutations with structured input types, custom scalars, and robust access control mechanisms
Add real-time updates to applications using GraphQL subscriptions and Pub/Sub systems to deliver live and responsive user experiences
Deploy production-ready GraphQL APIs to cloud platforms like Render and Railway using environment configs and best practices

Skills you'll gain

Tools you'll learn

Web Applications

Details to know

Shareable certificate

Add to your LinkedIn profile

Assessments

12 assignments

Taught in English

91%

of learners achieved a positive career outcome

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Build your subject-matter expertise

This course is part of the GraphQL Mastery: From Fundamentals to Production Specialization

When you enroll in this course, you'll also be enrolled in this Specialization.

Learn new concepts from industry experts
Gain a foundational understanding of a subject or tool
Develop job-relevant skills with hands-on projects
Earn a shareable career certificate

There are 3 modules in this course

Build GraphQL APIs that go beyond basic queries—secure, real-time, and cloud-ready. In this course, you’ll master advanced schema design, secure data flow, real-time subscriptions, and scalable deployment. Use Apollo Server, Pub/Sub systems, and platforms like Render and Railway to build robust apps that perform in production.

Module 1 dives into enums, interfaces, and unions to create flexible, type-safe APIs with clean mutation logic. Module 2 unlocks advanced features—custom scalars, validation, authentication, and live updates via subscriptions. Module 3 shows how to wire up databases, manage config, and push to the cloud confidently. By the end, you will... -Design advanced GraphQL schemas with modular, maintainable types -Build secure mutations with validation and input handling -Add real-time capabilities with Pub/Sub and GraphQL subscriptions -Deploy your GraphQL APIs to modern cloud platforms with confidence Disclaimer: This course is an independent educational resource developed by Board Infinity and is not affiliated with, endorsed by, sponsored by, or officially associated with GraphQL Foundation or any of its subsidiaries or affiliates. This course is not an official preparation material of GraphQL Foundation. All trademarks, service marks, and company names mentioned are the property of their respective owners and are used for identification purposes only.

Module details

This module focuses on expanding your GraphQL schema design skills. You’ll learn to create mutations that enable data manipulation, define enums, interfaces, and unions for scalable type systems, and organize large schemas using modular architecture. By the end, you’ll be equipped to model complex domains and build structured GraphQL APIs that are both readable and maintainable.

What's included

13 videos2 readings4 assignments1 discussion prompt1 plugin

13 videosTotal 66 minutes

Course Introduction2 minutes
Syntax and Structure of Mutations6 minutes
Mutation Variables and Input Types5 minutes
Mutation Use Cases in CRUD Operations6 minutes
Enums and How to Use Them in Schema6 minutes
Interfaces and Type Inheritance - Part 17 minutes
Interfaces and Type Inheritance - Part 24 minutes
Using Union Types Effectively5 minutes
Organizing Schema in Multiple Files - Part 15 minutes
Organizing Schema in Multiple Files - Part 25 minutes
Schema Stitching and Modular Architecture - Part 15 minutes
Schema Stitching and Modular Architecture - Part 25 minutes
Maintaining Large-Scale GraphQL Projects6 minutes

2 readingsTotal 40 minutes

Course Syllabus10 minutes
Read More About GraphQL Fundamentals30 minutes

4 assignmentsTotal 105 minutes

Graded Quiz: Mutations and Schema Design60 minutes
Practice Quiz: Writing Mutations15 minutes
Practice Quiz: Working with Enums, Interfaces, and Unions15 minutes
Practice Quiz: Schema Modularity and Reusability15 minutes

1 discussion promptTotal 10 minutes

Meet & Greet10 minutes

1 pluginTotal 5 minutes

Quick Course Check-In5 minutes

Building upon the fundamentals, this module focuses on the GraphQL Schema Definition Language (SDL). Learners will explore how to define custom types and fields, differentiate between query and mutation types, and implement resolvers to fetch data. The module also covers handling nested relationships, using aliases and fragments, and strategies to avoid over-fetching, ensuring efficient data retrieval.

What's included

10 videos1 reading4 assignments

10 videosTotal 48 minutes

Custom Scalars and How to Create Them7 minutes
Input Validation and Sanitization5 minutes
Error Handling in Resolvers4 minutes
Introduction to Subscriptions4 minutes
Setting Up a Pub/Sub System5 minutes
Implementing Real-Time Features6 minutes
Token-Based Authentication - Part 14 minutes
Token-Based Authentication - Part 24 minutes
Role-Based Access Control in Resolvers5 minutes
Protecting Queries and Mutations4 minutes

1 readingTotal 30 minutes

Read More About GraphQL Schema Language30 minutes

4 assignmentsTotal 105 minutes

Graded Quiz: Subscriptions and Authorization60 minutes
Practice Quiz: Validations and Constraints15 minutes
Practice Quiz: Real-Time Data with Subscriptions15 minutes
Practice Quiz: Authentication and Authorization15 minutes

This module emphasizes making GraphQL queries dynamic and efficient. Students will learn to use arguments and variables to create flexible queries, apply best practices in query construction, and integrate GraphQL with frontend frameworks using tools like Apollo Client. The module concludes with a course wrap-up, summarizing key takeaways and preparing learners for advanced topics in the specialization.