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 Leeds
Skills you'll gain: Test Case, Software Testing, Software Quality Assurance, Quality Assurance, User Acceptance Testing (UAT), Test Planning, Verification And Validation, Acceptance Testing, System Testing, White-Box Testing, Unit Testing, Functional Testing, Integration Testing, Software Development Life Cycle, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Hunting, Cyber Threat Intelligence, Threat Modeling, Penetration Testing, Threat Detection, MITRE ATT&CK Framework, Cryptography, Security Testing, Application Security, Encryption, Cybersecurity, Vulnerability Scanning, AI Security, Vulnerability Assessments, Exploitation techniques, Test Planning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JSON, Restful API, HTML and CSS, Web Design, Cloud API, Hypertext Markup Language (HTML), Web Development, Cascading Style Sheets (CSS), Web Applications, Responsive Web Design, Real Time Data, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Anthropic
Skills you'll gain: Prompt Engineering, AI Workflows, Agentic Workflows, Model Context Protocol, Retrieval-Augmented Generation, Anthropic Claude, Application Programming Interface (API), API Design, Tool Calling, Embeddings, Vector Databases, Model Evaluation
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Planning, Test Tools, Software Testing, Configuration Management, Test Case, Integration Testing, System Testing, Test Automation, Software Development Life Cycle, Acceptance Testing, Software Technical Review, Code Review, Unit Testing, White-Box Testing, Regression Testing, Software Quality Assurance, Test Data, Risk Management, Risk Management Framework, Verification And Validation
Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: ChatGPT, OpenAI API, LLM Application, Large Language Modeling, Prompt Engineering, AI Workflows, Jupyter
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Bayesian Statistics, A/B Testing, Microsoft Excel, Statistical Machine Learning, Statistical Modeling, Predictive Analytics, Business Analytics, Data Analysis, Probability & Statistics, Decision Making, Health Informatics, Statistical Programming, Markov Model
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JUnit, Test Driven Development (TDD), Unit Testing, Test Case, Software Testing, Mockups, Eclipse (Software), Test Data, Development Testing, Test Automation, Test Execution Engine, Integrated Development Environments, Test Script Development, Testability, Java
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: A/B Testing, Google Analytics, Web Analytics, User Experience, Web Content, Target Audience, Marketing Effectiveness, Goal Setting, Marketing, Content Development and Management, Analytics
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: A/B Testing, Statistical Hypothesis Testing, Statistical Methods, Advanced Analytics, Statistical Analysis, Correlation Analysis, Data Analysis, Report Writing, Probability & Statistics, Analytical Skills, Data-Driven Decision-Making, Health Information Management and Medical Records, Business Process Automation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud API, Google Gemini, Google Cloud Platform, Cloud-Based Integration, Authentications, Application Programming Interface (API)
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Penetration Testing, Lightweight Directory Access Protocols, Active Directory, Windows PowerShell, Open Web Application Security Project (OWASP), Exploitation techniques, Security Testing, API Testing, Vulnerability Scanning, Cloud Security, Windows Servers, Cyber Security Assessment, Azure Active Directory, IT Automation, Scripting, Application Programming Interface (API), Microsoft Azure, Vulnerability Assessments, MySQL Workbench, Cloud Computing
Intermediate · Course · 3 - 6 Months