Web APIs from the Command Line: cURL & json-server — PickAClass
⏱ 2h 42m 📚 27 lessons

Web APIs from the Command Line: cURL & json-server

Gain foundational skills in making requests, parsing JSON, and simulating API behavior using cURL and json-server for efficient command-line interaction.

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About this course

In today's interconnected world, interacting with web APIs is a fundamental skill for anyone working with data or developing applications. Understanding how to communicate with these services directly from your terminal offers unparalleled control and efficiency. By completing this course, you will be able to confidently use command-line tools to send requests to web APIs, interpret their responses, and even set up local development environments. This practical knowledge will empower you to debug API integrations, test endpoints, and prototype applications with greater speed and precision. What you'll learn: * Understand the core concepts of Web APIs, including RESTful principles and HTTP methods. * Learn to construct and send various HTTP requests (GET, POST, PUT, DELETE) using cURL. * Practice parsing, filtering, and manipulating JSON data directly within the command line. * Build and manage a local mock API using json-server for efficient testing and development. * Apply basic API authentication methods and handle request headers with cURL. * Explore common API response codes and implement effective error handling strategies. This course begins by establishing a strong theoretical foundation in API principles and HTTP basics, then progressively introduces hands-on techniques for interacting with APIs using cURL and setting up local mock servers with json-server. You will read and practice through practical examples and exercises. This course is designed for beginners with no prior experience in API interaction or advanced command-line usage. There are no prerequisites. Start mastering command-line API interaction to enhance your development and testing workflows.

What you'll get

  • 📜 Certificate of completion
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 42m 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Web APIs from the Command Line: cURL & json-server
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
Web APIs from the Command Line: cURL & json-server
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.

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What do I need to take this course? +

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

How do I pay? +

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.

How long will I have access? +

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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