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.

Board Infinity
Skills you'll gain: JUnit, Unit Testing, Software Testing, Development Testing, Java, Test Case, Integration Testing, Test Automation, Test Driven Development (TDD)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, OAuth, Back-End Web Development, Event-Driven Programming, Database Management, Databases, Authorization (Computing), Redis, Secure Coding, Application Programming Interface (API), Restful API, Email Automation, Data Migration
Intermediate · Course · 3 - 6 Months
Skills you'll gain: LLM Application, Middleware, OpenAI API, UI/UX Research, Frontend Integration
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Metasploit, Penetration Testing, Exploitation techniques, Vulnerability Assessments, Vulnerability Scanning, Cyber Security Assessment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Node.JS, User Interface (UI), Restful API, Swift Programming, JavaScript Frameworks, Mobile Development, Application Programming Interface (API), Database Software, Web Development, Back-End Web Development, Development Environment, MongoDB, Javascript, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Database Management Systems, Python Programming, Analysis, Data Import/Export
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Persistence, Object Oriented Programming (OOP), Javascript, Web Applications, Application Programming Interface (API), Programming Principles, JSON, User Interface (UI), Interactive Design, Front-End Web Development, Event-Driven Programming, Responsive Web Design, Debugging
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Relational Databases, Databases, Data Visualization Software, Web Scraping, Data Science, Scatter Plots, Data Manipulation, SQL, Data Processing, JSON, Application Programming Interface (API), Data Import/Export, Python Programming, Extensible Markup Language (XML), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: User Feedback, Functional Testing, Root Cause Analysis, UI/UX Research, Experience Design, User Experience, Problem Management, User Interface (UI) Design, Integration Testing, Application Development, Network Troubleshooting, Investigation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Development, Web Servers, Restful API, System Programming, Debugging
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Kubernetes, API Gateway, Network Administration, Software-Defined Networking, Cloud-Native Computing, General Networking, Network Architecture, Network Security, Application Deployment, Containerization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Gemini, Model Deployment, Generative AI, Google Gemini, Generative AI Agents, LLM Application, AI Workflows, Tool Calling, Multimodal Prompts, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Google Cloud Platform, Artificial Intelligence, AI Personalization, Performance Tuning, Python Programming, Software Development Tools, Cloud Platforms
Beginner · Course · 1 - 3 Months