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: Selenium (Software), Test Script Development, Test Automation, Test Case, Software Testing, Cascading Style Sheets (CSS), Application Frameworks, Browser Compatibility, Javascript and jQuery, Web Scraping, Automation, Python Programming, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Model View Controller, Debugging, Integrated Development Environments, Software Design, User Interface (UI), Responsive Web Design, HTML and CSS, Data Modeling, Database Design, Web Design and Development, Software Development Tools, NoSQL, Database Architecture and Administration, Application Programming Interface (API), UI Components, OpenAI, ChatGPT, Web Applications, Version Control, Programming Principles
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Metasploit, Open Web Application Security Project (OWASP), Penetration Testing, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Brute-force attacks, Web Applications, Cybersecurity, Firewall, Network Security, Wireless Networks, Network Analysis, SQL
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Civil Engineering, Hydrology, Engineering Analysis, Engineering, Environmental Engineering, Mechanics, Hydraulics, Materials science, Laboratory Testing, Construction, Mathematical Modeling
Beginner · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Data Migration, Data Integration, Enterprise Architecture, Data Management, Data Infrastructure, Data Pipelines, Data Integrity, Data Storage
Advanced · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Integration, Data Manipulation, Data Transformation, Relational Databases, Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hugging Face, Model Evaluation, LLM Application, Large Language Modeling, Model Deployment, Computer Programming, Generative Model Architectures
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Bayesian Statistics, Data Analysis, Statistical Inference, Regression Analysis, Statistical Analysis, Statistical Modeling, Statistical Programming, Sampling (Statistics), R Programming, Markov Model, Logistic Regression, Probability, Simulations, Model Evaluation, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, Application Deployment, Cloud Deployment, Web Applications, Javascript, Bootstrap (Front-End Framework), Development Environment, User Interface (UI), Cascading Style Sheets (CSS), Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Technical University of Denmark (DTU)
Skills you'll gain: Chemistry, Sustainable Engineering, Waste Minimization, Chemical Engineering, Thermal Management, Environmental Engineering, Analytical Chemistry, Materials science, Analytical Testing, Laboratory Testing, Engineering Calculations
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: User Interface and User Experience (UI/UX) Design, Figma (Design Software), User Interface (UI), Mockups, Adobe XD, Responsive Web Design, User Experience, User Centered Design, Wireframing, Microsoft Copilot, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Prototyping, Mobile Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Health Technology, Health Information Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Management, Health Care, Cloud Security, Personally Identifiable Information, Regulatory Compliance, Information Privacy, Information Management, Data Security, Interoperability, Electronic Medical Record, Records Management, Security Controls, Information Technology
Beginner · Course · 1 - 4 Weeks