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: Unreal Engine, User Interface (UI), Data Persistence, Game Design, Video Game Development, Performance Tuning, Interactive Design, User Interface (UI) Design, Human Machine Interfaces, Animation and Game Design, Scripting, Performance Testing, System Testing, Programming Principles, No-Code Development, Virtual Environment, Development Testing, Artificial Intelligence, Object Oriented Design, Animations
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Object Oriented Programming (OOP), Behavior-Driven Development, Jenkins, Test Tools, Test Automation, Java Programming, CI/CD, Application Frameworks, Test Script Development, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, LangChain, LLM Application, Generative AI Agents, Model Evaluation, Application Programming Interface (API), Text Mining
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Red Hat Enterprise Linux, IT Automation, Devops Tools, Infrastructure as Code (IaC), YAML, Linux, Linux Administration, Linux Servers, Scenario Testing, Verification And Validation, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Distributed Computing, Scalability, Performance Tuning, C++ (Programming Language), System Programming, Computer Architecture, Cross Platform Development, Hardware Architecture, Application Development, Algorithms, C (Programming Language), Development Environment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Cloud Computing Architecture, Cloud Security, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Attacks, Zero Trust Network Access, Cybersecurity, Network Security, Cloud Deployment, Infrastructure Security, Mobile Security, Security Controls, Disaster Recovery
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Web Applications, Penetration Testing, Application Security, Security Controls, Vulnerability Assessments, Application Programming Interface (API), Exploitation techniques, Web Servers, Cloud Security, SQL
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Cloud-Native Computing, Prometheus (Software), Grafana, Software Architecture, CI/CD
Beginner · Course · 1 - 3 Months

Skills you'll gain: Frontend Performance, Restful API
Intermediate · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Statistical Methods, Quantitative Research, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistics, Data Analysis, Regression Analysis, Research Design, Research, Psychology
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Vibe coding, Generative AI Agents, AI Workflows, Agentic systems, Email Automation, AI Orchestration, Search Engine Optimization, Inside Sales, Web Analytics, Prompt Engineering, Development Environment, Application Deployment, Front-End Web Development, Debugging
Mixed · Course · 1 - 3 Months

SAE Institute México
Skills you'll gain: Exploitation techniques, Vulnerability Scanning, Penetration Testing, Vulnerability Assessments, Cyber Operations, Cybersecurity, Information Systems Security, Network Security, Computer Networking, Network Protocols
Beginner · Course · 1 - 4 Weeks