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.

University of Colorado System
Skills you'll gain: Database Design, Software Design, Usability Testing, User Interface and User Experience (UI/UX) Design, Software Architecture, Software Design Patterns, Database Management, Systems Design, Application Security, Design Strategies, Operating Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Adobe XD, Prototyping, User Experience Design, Usability Testing, UI/UX Research, Figma (Design Software), Presentations, Responsive Web Design, Information Architecture, User Story, Storyboarding, User Research, Design, User Interface and User Experience (UI/UX) Design, Web Design, Persona (User Experience), User Centered Design, Data Ethics, Design Reviews, Usability
Beginner · Professional Certificate · 3 - 6 Months

Amazon
Skills you'll gain: Git (Version Control System), Software Development Methodologies, Requirements Analysis, Version Control, Application Development, Software Development Life Cycle, Systems Development, Functional Requirement, Software Engineering, User Requirements Documents, Agile Software Development, Application Design, Unified Modeling Language, Software Testing, JUnit, Agile Methodology, Spring Framework, Debugging, Java, Technical Design
Beginner · Course · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: Product Roadmaps, Product Management, Customer Retention, Financial Analysis, Product Development, Product Lifecycle Management, Product Strategy, Innovation, Revenue Management, Financial Statements, Agile Methodology, Customer experience strategy (CX), Key Performance Indicators (KPIs), Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: DevOps, CI/CD, Cloud Deployment, User Story, Microservices, OpenShift, Application Deployment, Continuous Integration, Kubernetes, Test Driven Development (TDD), Scrum (Software Development), Agile Methodology, Containerization, Restful API, Flask (Web Framework), Kanban Principles, Agile Project Management, Secure Coding, Cloud Computing, GitHub
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Research, Internet Of Things, Usability Testing, Prototyping, Design Thinking, Ideation, Automation, Advanced Analytics, User Experience Design, Big Data, User Centered Design, IT Security Architecture, Interaction Design, Data-Driven Decision-Making, Human Centered Design, Data Management, Robotics, Control Systems, Hardware Architecture, Manufacturing Processes
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Google Analytics, Email Marketing, Google Ads, WordPress, LinkedIn, Content Creation, Content Marketing, Social Media, Facebook, Social Media Marketing, Search Engine Marketing, Social Media Content, Web Analytics and SEO, Advertising Campaigns, Email Automation, Social Media Campaigns, Analytics, Keyword Research, ChatGPT, Bidding
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Security Assessment, Cybersecurity, Security Testing, Computer Security Incident Management, Incident Response, Security Controls, Network Security, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, Configuration Management, API Gateway, JUnit, Java Programming, Java, Application Design, Unit Testing, Middleware, Service Oriented Architecture, Software Design Patterns, Authentications
Advanced · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Restful API, SQL, React Native, Databases, Data Persistence, Mobile Development, Data Storage Technologies, JSON, Data Management, Network Model, Application Development, Authentications
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Emerging Technologies, Forecasting, Critical Thinking, Augmented and Virtual Reality (AR/VR), Strategic Thinking, Technology Strategies, Strategic Leadership, AI Enablement, Business Transformation, Data-Driven Decision-Making, Systems Thinking, Innovation, Storytelling, Thought Leadership, Scenario Testing, Decision Making, Artificial Intelligence, Virtual Reality, Probability & Statistics
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Restful API, Database Design, Database Application, Databases, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Authentications, Server Side, Middleware, Scalability, Application Deployment, Web Applications, Web Development, Debugging, Javascript
Intermediate · Course · 1 - 3 Months