Designing and Building Web APIs with GraphQL — PickAClass
4.2 (5) ⏱ 2h 54m 📚 29 lessons

Designing and Building Web APIs with GraphQL

Learn to design, query, and secure modern APIs using GraphQL to build flexible, high-performance web applications.

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About this course

In modern web development, traditional REST APIs often lead to over-fetching or under-fetching data, slowing down application performance. GraphQL solves this by allowing clients to request exactly the data they need and nothing more. This text-based course guides you through the process of designing, building, and securing your own GraphQL APIs from the ground up. By completing this material, you will gain the practical skills needed to implement flexible API architectures that improve application speed and developer workflow. What you'll learn: - Understand the architectural differences between GraphQL and traditional REST APIs. - Design robust schemas using object types, queries, mutations, and real-time subscriptions. - Configure reliable error handling and validation mechanisms for your API endpoints. - Apply modern security practices, including query depth limiting to prevent server overload. - Implement type-safe development workflows using modern schema generation tools. The course starts with fundamental API concepts and core GraphQL syntax before guiding you through hands-on server development, schema design, and production-ready security strategies. This course is ideal for beginner developers, software engineers, and system architects who want to learn modern API design, with no prior GraphQL experience required. Start reading today to build faster, more flexible web APIs.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 54m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Designing and Building Web APIs with GraphQL
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
Designing and Building Web APIs with GraphQL
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (5)

خالد بن محمد بن عبدالله آل ثاني QA
★ 4 · July 26, 2026

Fantastic course! The material was presented in a very digestible way, and the real-world applications made it super valuable. Highly recommend this one.

يوسف خالد JO
★ 4 · June 27, 2026

Really enjoyed this. The structure flowed perfectly, and the practical applications are immediately useful. Great job!

Trần Thị Thanh VN
★ 4 · June 18, 2026

Fantastic resource. I learned so much, and the examples used were super helpful in understanding the concepts. Highly recommend.

Jonas Kazlauskas LT Verified learner
★ 4 · June 12, 2026

Really enjoyed the flow of this. The practical applications discussed were spot on. Great course!

Priyanka Fernando LK Verified learner
★ 5 · June 7, 2026

Solid content here. While a couple of the modules could have been more detailed, the overall value and applicability are high. Good job!

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What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

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By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

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Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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