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.

Vanderbilt University
Skills you'll gain: Git (Version Control System), JUnit, Android Studio, Android Development, Unit Testing, Maintainability, Software Design Patterns, Test Automation, File I/O, Object Oriented Programming (OOP), Integration Testing, Test Driven Development (TDD), Mobile Development, Software Testing, Testability, Software Engineering, Java Programming, Java, Application Security, Development Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: JUnit, Java Programming, Unit Testing, Java, Software Testing, Quality Assurance, Test Case, Software Development, Application Development, Data Validation, Object Oriented Programming (OOP), Debugging, User Interface (UI), Command-Line Interface, Data Modeling, Requirements Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Gherkin (Scripting Language), Code Coverage, Behavior-Driven Development, Software Testing, Unit Testing, Test Automation, Test Tools, API Testing, Test Case, Test Data, User Story, Mockups, Restful API, Microservices
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Business Logic, User Interface (UI) Design, ASP.NET, Software Development Life Cycle, Back-End Web Development, Application Development, Application Deployment, .NET Framework, Application Design, Debugging, Web Applications, Full-Stack Web Development, Software Testing, Requirements Analysis, Front-End Web Development, Systems Analysis, Authentications, Data Validation, Database Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Selenium (Software), White-Box Testing, Scalability, Software Testing, Web Applications, Test Automation, Test Script Development, Automation, Scenario Testing, Maintainability, Hypertext Markup Language (HTML)
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Vector Databases, Embeddings, Semantic Web, Flask (Web Framework), Model Deployment, Restful API, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: File I/O, Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Java Programming, Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Debugging, Pivot Tables And Charts, Programming Principles, Python Programming, Computer Programming
Beginner · Specialization · 3 - 6 Months

University of Cape Town
Skills you'll gain: Biostatistics, Statistical Methods, Statistical Hypothesis Testing, Diagnostic Tests, Clinical Research, Statistical Analysis, Quantitative Research, Statistics, Descriptive Statistics, Statistical Inference, Data Collection, Probability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardening, Incident Response, Vulnerability Assessments, Security Strategy, Security Controls, Computer Security Incident Management, Infrastructure Security, Security Testing, Control Systems, Information Systems Security, Continuous Monitoring, Penetration Testing, Cyber Security Strategy, Cyber Attacks, Risk Analysis, Operational Risk, Data Security, Risk Management Framework, Risk Management, Operational Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java, Java Programming, Object Oriented Design, Object Oriented Programming (OOP), User Interface (UI) Design, Unit Testing, JUnit, Data Validation, Software Development, Application Design, Development Testing, Application Development, Test Automation, Test Case, Data Modeling, System Design and Implementation, Databases, Software Documentation, Development Environment, Software Testing
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Performance Metric, Performance Measurement, Failure Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Unity Engine, 3D Modeling, Video Game Development, Debugging, User Interface (UI) Design, Game Design, User Interface and User Experience (UI/UX) Design, Computer Graphic Techniques, Program Development, Computer Graphics, Interaction Design, Integration Testing, Animation and Game Design, Scripting, C# (Programming Language), Technical Design, Graphics Software, Object Oriented Programming (OOP), Data Mapping
Intermediate · Specialization · 3 - 6 Months