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 California, Irvine
Skills you'll gain: Peer Review, Instructional Design, Education Software and Technology, Parent Communication, Instructional Strategies, Student Engagement, Learning Management Systems, Student Support and Services, Course Development, Collaborative Software, Curriculum Development, Blended Learning, Digital pedagogy, Educational Materials, Community Development, Classroom Management, Teaching, Performance Testing, Collaboration, Planning
Beginner · Specialization · 3 - 6 Months

University of Virginia
Skills you'll gain: Customer Analysis, Analytics, Business Analytics, Demand Planning, Usability Testing, Product Management, Customer Insights, A/B Testing, Agile Methodology, User Experience, Data-Driven Decision-Making, Predictive Analytics, Data Science, Product Testing, Agile Software Development, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Development Environment, Data Security, Software Development Life Cycle
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Application Deployment, Web Development, Full-Stack Web Development, Cloud API, Application Development, Software Documentation, Data Validation
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Front-End Web Development, Web Development, Javascript, Model View Controller, Software Architecture, Hypertext Markup Language (HTML), UI Components, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Product Quality (QA/QC), Quality Control, Quality Assurance, Safety Standards, Good Manufacturing Practices, Commercialization, Customer Insights, Safety Assurance, Statistical Process Controls, Laboratory Experience, Product Improvement, Analytical Testing, Laboratory Procedures, Product Lifecycle Management, Feasibility Studies, Verification And Validation, Chemistry, Healthcare Ethics, Biology, Materials science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Laboratory Experience, Analytical Testing, Laboratory Procedures, Verification And Validation, Safety Standards, Chemistry, Experimentation, Product Testing, Scientific Methods, Product Design, Personal protective equipment, Materials science, Product Development, Record Keeping, Personal Care, Systems Of Measurement, Innovation
Beginner · Course · 1 - 4 Weeks
University of California San Diego
Skills you'll gain: Design Research, User Experience Design, User Research, Prototyping, User Centered Design, Persona (User Experience), Interaction Design, Usability Testing, Research Methodologies, Innovation, Creativity, Storyboarding, Interviewing Skills
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Django (Web Framework), Frontend Integration, React.js, API Testing, Authentications, Performance Tuning, Scalability, Full-Stack Web Development, Frontend Performance, Unit Testing, Development Testing, Software Testing, Restful API, Javascript, Python Programming
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, Generative AI Agents, Agentic systems, AI Workflows, OpenAI API, LLM Application, Artificial Intelligence, User Interface (UI), Prompt Engineering, Natural Language Processing, Python Programming, Context Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Computer Security Incident Management, Network Security, Cryptography, AWS Identity and Access Management (IAM), Encryption, User Provisioning, Security Management, Penetration Testing, Vulnerability Scanning, ISO/IEC 27001, Information Systems Security, Network Architecture, Computer Networking, DevSecOps, Risk Management, OAuth, Data Management, Software Development Methodologies, Cybersecurity
Beginner · Specialization · 3 - 6 Months