API testing courses can help you learn how to validate API functionality, performance, security, and reliability. You can build skills in writing test cases, automating tests, and analyzing API responses to ensure they meet specifications. Many courses introduce tools like Postman, SoapUI, and JMeter, that support executing tests and monitoring API behavior. You'll also explore methods for integrating testing into the development process, enhancing collaboration between teams, and ensuring seamless application performance.

Skills you'll gain: ASP.NET, .NET Framework, Software Design Patterns, Maintainability, Software Architecture, Object Oriented Design, C# (Programming Language), Microsoft Visual Studio, API Design, Restful API, Development Testing, User Interface (UI), Debugging, Unit Testing, Systems Architecture, Front-End Web Development, Integration Testing, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Design, Continuous Integration, Restful API, Docker (Software), Model View Controller, Front-End Web Development, Databases, User Story, CI/CD, Java, Java Programming, Database Application, Application Programming Interface (API), HTML and CSS, Full-Stack Web Development, Spring Boot, Microservices, Back-End Web Development, Software Design Documents, Software Architecture
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Microservices, Application Deployment, Kubernetes, Cloud Computing Architecture, Google App Engine, Site Reliability Engineering, Restful API, Google Cloud Platform, Cloud Services, Devops Tools, Continuous Deployment, Network Architecture, API Design, Cloud Storage, Cloud Security, Service Level, System Design and Implementation, Load Balancing, Scalability
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Management, Cloud Security, Digital Transformation, Real Time Data, Serverless Computing, Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Cloud Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Application Programming Interface (API), Cloud Computing, Cloud Services, Cloud Storage, Cost Management, Containerization, Cloud Applications, Business Transformation, Data Warehousing, Artificial Intelligence, Cybersecurity
Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Software Engineering, Object Oriented Design, Software Testing, Development Environment, Unified Modeling Language, Requirements Analysis, Test Case, Software Development Methodologies, Software Development Life Cycle, Functional Requirement, User Requirements Documents, Agile Methodology, Software Development, Systems Development, Software Quality Assurance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Process Mapping, Root Cause Analysis, Lean Six Sigma, Lean Methodologies, Correlation Analysis, Process Improvement, Six Sigma Methodology, Risk Management, Regression Analysis, Statistical Process Controls, Continuous Improvement Process, Data Collection, Process Flow Diagrams, Descriptive Statistics, Statistical Hypothesis Testing, Process Optimization, Customer Analysis, Quality Improvement, User Feedback, Quality Management
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, Semiconductors, Electronics, Electronic Components, Performance Testing, Physics, Mathematical Modeling
Build toward a degree
Advanced · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Load Balancing, Scalability, Performance Tuning, Software Architecture, Microsoft Copilot, Application Design, Performance Testing, Systems Architecture, Application Performance Management, Distributed Computing, Database Management, Middleware, SQL
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: PHP (Scripting Language), Model View Controller, Restful API, Web Development, Object-Relational Mapping, Web Applications, Full-Stack Web Development, Development Environment, Software Testing, Back-End Web Development, Application Frameworks, Database Management, Application Security, Authentications, Authorization (Computing), Package and Software Management
Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: A/B Testing, Design Thinking, Experience Design, Data Storytelling, Dashboard, User Feedback, Solution Design, Stakeholder Engagement, Customer Insights, Interviewing Skills, Empathy & Emotional Intelligence, Business Requirements, Problem Solving
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Apache Airflow, MLOps (Machine Learning Operations), User Acceptance Testing (UAT), Prompt Patterns, LLM Application, AI Security, Extract, Transform, Load, Scripting, Technical Communication, SQL, Data Pipelines, PyTorch (Machine Learning Library), Miro AI, Data Presentation, Large Language Modeling, Python Programming, Performance Tuning, Root Cause Analysis, Statistical Analysis, Version Control
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Vulnerability Scanning, Cybersecurity, Vulnerability Assessments, Network Analysis, Exploitation techniques, Linux, Virtual Machines, Operating Systems
Mixed · Course · 1 - 4 Weeks