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: Rust (Programming Language), ChatGPT, Authentications, Generative AI Agents, Back-End Web Development, Web Servers, OpenAI API, Databases, Web Applications, Secure Coding, Command-Line Interface, Generative AI, AI Enablement, Agentic systems, API Testing, Key Management, Restful API, Development Environment, Unit Testing, Maintainability
Intermediate · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Human Computer Interaction, Web Content Accessibility Guidelines, Human Factors, Usability, Interaction Design, Prototyping, User Interface and User Experience (UI/UX) Design, User Experience Design, User Centered Design, User Interface (UI) Design, Responsive Web Design, Design Thinking, Usability Testing, Augmented and Virtual Reality (AR/VR), User Research, Wireframing, Information Architecture
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: ASP.NET, Restful API, Full-Stack Web Development, Cloud Deployment, Performance Tuning, Frontend Integration, .NET Framework, Application Programming Interface (API), Data Modeling, Development Environment, Cloud Applications, Object-Relational Mapping, Web Development, Software Development, Cloud Infrastructure, Web Applications, UI Components, Authentications, Application Development, Application Design
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Spring Framework, Software Architecture, Microservices, Spring Boot, Cloud Applications, Event-Driven Programming, Java Programming, Restful API, Performance Tuning, MongoDB, Web Applications, Scalability, Real Time Data, Resilience, Integration Testing, Performance Management, Debugging
Intermediate · Course · 1 - 4 Weeks

University of Cambridge
Skills you'll gain: User Experience Design, Storytelling, Design, User Centered Design, Design Thinking, Human Centered Design, Public Speaking, Design Research, Usability Testing, Empathy, Creativity, Collaboration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Java Platform Enterprise Edition (J2EE), Data Validation, Web Applications, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Visualization (Computer Graphics), Interoperability, Java, Cascading Style Sheets (CSS), Mobile Development
Beginner · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Augmented and Virtual Reality (AR/VR), Prototyping, Virtual Reality, Usability Testing, Augmented Reality, Unity Engine, Virtual Environment, UI/UX Research, Cross Platform Development, 3D Assets, User Interface (UI), Animation and Game Design, Unreal Engine, Interaction Design, User Experience, C# (Programming Language), Development Environment, Display Devices, Event-Driven Programming, Development Testing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Generative AI, LLM Application
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Statistical Analysis, Sampling (Statistics), Statistical Methods, Microsoft Excel, Probability & Statistics, Data Analysis, Regression Analysis, Statistical Inference, Probability Distribution, Statistical Modeling
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Information Architecture, User Experience Design, Persona (User Experience), Usability Testing, Interviewing Skills, Wireframing, Content Creation, Storytelling
Intermediate · Course · 1 - 3 Months

HubSpot Academy
Skills you'll gain: Data Visualization, HubSpot CRM, Dashboard, Business Reporting, Customer Relationship Management (CRM) Software, Performance Reporting, Forecasting, Sales Pipelines, Business Metrics, Sales Enablement, Performance Metric, Sales, Data-Driven Decision-Making, Customer Service, Key Performance Indicators (KPIs), Customer Data Management, Customer Success Management, Goal Setting
Beginner · Course · 1 - 4 Weeks

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