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.

Simplilearn
Skills you'll gain: Email Automation, Marketing Automation, OpenAI API, Business Process Automation, AI Workflows, ChatGPT, Automation, Performance Tuning, Workflow Management, Generative AI, Scalability, Process Optimization, Operational Efficiency, Real Time Data, Social Media Content, Application Programming Interface (API), Content Creation
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Jenkins, Infrastructure as Code (IaC), CI/CD, Ansible, SonarQube, Continuous Integration, DevOps, Apache Tomcat, Apache Maven, Docker (Software), Continuous Deployment, Continuous Delivery, Build Tools, Configuration Management, Code Coverage, Application Lifecycle Management, Shell Script, Software Configuration Management, Application Deployment, Continuous Monitoring
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Integrated Development Environments, Microsoft Visual Studio, AI Enablement, Test Driven Development (TDD), Software Development Tools, GitHub, Debugging, HTML and CSS, User Interface (UI), Cascading Style Sheets (CSS), Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Prompt Engineering, Large Language Modeling, Retrieval-Augmented Generation, Vector Databases, Tool Calling, Embeddings, OpenAI API, ChatGPT, Google Gemini, Agentic Workflows
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, DevOps, Data Integration, z/OS, IBM Cloud, Hybrid Cloud Computing, CI/CD, Mainframe Technologies, Mainframe Computing, Cloud Development, Cloud Applications, Enterprise Application Management, Application Deployment, Middleware, Data Access, Application Design, Containerization, Cloud API, Application Programming Interface (API), Computer Programming
Beginner · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Software Design Patterns, Unit Testing, Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Agentic systems, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Debugging
Beginner · Course · 1 - 3 Months

Minnesota State University, Mankato
Skills you'll gain: Research, Usability Testing, Usability, Research Methodologies, User Research, Writing and Editing, User Feedback, Report Writing, Web Content Accessibility Guidelines, User Experience Design, AI Enablement, Persona (User Experience), User Experience, Analysis
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Prototyping, Mockups, Industrial Design, Product Development, Development Testing, Product Design, 3D Modeling, Usability Testing, Computer-Aided Design, User Feedback
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Cloud Development, Cloud Computing Architecture, Cloud Computing, Amazon Web Services, Cloud Infrastructure, Cloud Services, Internet Of Things, Amazon Elastic Compute Cloud, Linux Administration, Software Installation, Embedded Systems, Machine Learning, Command-Line Interface, Restful API
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Responsive Web Design, OpenAI API, Web Design, HTML and CSS, Cascading Style Sheets (CSS), Javascript, Application Development, User Interface (UI) Design, Application Programming Interface (API), Figma (Design Software)
Intermediate · Guided Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Application Design, Mobile Development, Application Development, Software Design, Program Development, Prototyping, Mockups, User Acceptance Testing (UAT), User Interface (UI) Design, Development Testing, Extensible Markup Language (XML), Problem Management
Mixed · Course · 1 - 3 Months