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: UI Components, Web Components, Responsive Web Design, Application Deployment, Database Management, Databases, Web Design and Development, JavaScript Frameworks, Web Development Tools, Authentications, Application Development, Email Automation, Restful API, Web Design, Front-End Web Development, OpenAI API, TypeScript, Payment Systems, Cascading Style Sheets (CSS), User Interface (UI)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Business Process Modeling, Systems Analysis, Workflow Management, Stakeholder Communications, Generative AI, Process Flow Diagrams, LLM Application, Systems Architecture, Solution Architecture, Software Architecture, Stakeholder Analysis, Systems Thinking, Project Documentation, Business Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, API Design, Google App Engine, Restful API, Cloud Computing Architecture, Service Level Agreement, Kubernetes, CI/CD, Google Cloud Platform, Application Design, Application Deployment, Site Reliability Engineering, Cloud Security, DevOps, Hybrid Cloud Computing, Network Architecture, Cloud Storage, Key Performance Indicators (KPIs), Service Design, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Endpoint Detection and Response, Cloud Security, Network Administration, Infrastructure Security, Encryption, Cloud Computing, Authorization (Computing), Network Architecture, Dynamic Host Configuration Protocol (DHCP), Identity and Access Management, Email Security, Application Security, Human Factors (Security), Network Infrastructure, Network Protocols, Local Area Networks, Data Security, Authentications, Malware Protection, Mobile Security
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsive Web Design, Cloud Deployment, Web Design, Database Systems, Front-End Web Development, Application Programming Interface (API), Full-Stack Web Development, Amazon Web Services, Cloud Computing, Authentications, Development Environment, Web Applications, Frontend Performance, Continuous Deployment, Continuous Integration, JavaScript Frameworks, Web Development, Web Servers, Usability, Mobile Development
Advanced · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Event-Driven Programming, Cloud API, Cloud Services
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Blockchain, Application Deployment, Integrated Development Environments, Development Testing, Application Development, Web Applications, Javascript
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Test Automation, JUnit, Object Oriented Programming (OOP), Integration Testing, Browser Compatibility
Intermediate · Course · 3 - 6 Months

JetBrains
Skills you'll gain: Application Development, Generative AI Agents, Large Language Modeling, Software Development Tools, AI Enablement, IntelliJ IDEA, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Software Development, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Skills you'll gain: Digital Forensics, Risk Management, Incident Response, Threat Management, Risk Analysis, Business Risk Management, Cyber Security Policies, Secure Coding, Cybersecurity, Computer Security Incident Management, Cyber Security Assessment, Application Security, ISO/IEC 27001, Data Security, Malware Protection, Penetration Testing, Security Controls, Threat Detection, Compliance Management, Governance
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Hypothesis Testing, Statistical Analysis, Probability & Statistics, Statistical Methods, Probability Distribution, Data Analysis, Markov Model, Data Science, Statistics, Statistical Inference, Probability, R Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Programming Principles
Intermediate · Course · 1 - 4 Weeks