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: Docker (Software), Containerization, Restful API, User Interface (UI), HTML and CSS, Node.JS, MongoDB, Database Management, Databases, JavaScript Frameworks, Web Applications, Web Development, Web Development Tools, Back-End Web Development, Full-Stack Web Development, Application Development, Javascript, GitHub
Intermediate · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Prompt Engineering, Microsoft Copilot, AI Workflows, GitHub, Programming Principles, Computer Programming, Integrated Development Environments, Software Installation
Intermediate · Course · 1 - 4 Weeks

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: Respiration, Human Musculoskeletal System, Cardiology, Respiratory Care, Pulmonology, Hemodynamics, Clinical Practices, Cell Biology, Physiology, Oxygen Therapy, Anatomy, Endocrinology, Diagnostic Tests, Patient Evaluation, Nephrology, Orthopedics, Pulmonary Function Testing, Cardiac Dysrhythmia, Kinesiology, Interactive Learning
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: User Research, Prototyping, Wireframing, Human Centered Design, Miro AI, User Flows, Design, User Interface (UI), Design Specifications, Interactive Design, Persona Development, Design Software, User Interface (UI) Design, UI Components, Ideation, Animations
Intermediate · Professional Certificate · 3 - 6 Months

Edureka
Skills you'll gain: Prompt Patterns, Generative AI Agents, AI Orchestration, AI Workflows, Business Process Automation, Make.com, Large Language Modeling, Automation, ChatGPT, Generative Model Architectures, Microsoft Power Automate/Flow, LLM Application, LangChain, Agentic Workflows, Responsible AI, Workflow Management, OpenAI, Process Optimization, Application Programming Interface (API), Decision Support Systems
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Kubernetes, Cloud Infrastructure, Application Deployment, Microservices, Google Cloud Platform, Identity and Access Management, Google App Engine, Cloud Applications, API Design, Generative AI, Cloud Storage, Containerization, Infrastructure As A Service (IaaS), Data Storage Technologies, Prompt Engineering, Cloud Computing Architecture, CI/CD, Cloud Computing, Infrastructure Architecture, Terraform
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), User Centered Design, User Experience Design, Data Presentation, Usability, Human Centered Design, User Research, Usability Testing, Quantitative Research, Design Elements And Principles
Build toward a degree
Intermediate · Course · 1 - 4 Weeks
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Scalability, Cloud Applications, Web Services, Cloud Services, Cloud Computing, JSON, Java Platform Enterprise Edition (J2EE), Data Security, Restful API, Object Oriented Design, Database Design, Systems Architecture, Software Design, Dependency Analysis, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Statistical Process Controls, Six Sigma Methodology, Lean Methodologies, Statistical Hypothesis Testing, Process Capability, Statistical Analysis, Data Analysis, Continuous Improvement Process, Project Management, Project Planning, Statistics, Work Breakdown Structure, Lean Six Sigma, Operational Excellence, Data Collection, Process Improvement, Stakeholder Management, Quality Improvement, Quality Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Databricks, CI/CD, Microsoft Azure, Data Architecture, Integration Testing, Data Pipelines, Data Integration, Data Security, Automation, Data Storage, Development Testing
Intermediate · Course · 1 - 4 Weeks