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.

Georgia Institute of Technology
Skills you'll gain: Music, Multimedia, Design, Web Content Accessibility Guidelines, Usability Testing, Design Thinking, User Experience Design
Intermediate · Course · 1 - 3 Months
Xi'an Jiaotong University
Skills you'll gain: Microsoft SQL Servers, SQL, C# (Programming Language), ASP.NET, Object Oriented Programming (OOP), Relational Databases, Operating Systems, .NET Framework, Database Design, Database Management, System Testing, Computer Systems, Debugging, User Interface (UI) Design, Databases, Database Development, Web Development, Programming Principles, UI Components, Computer Programming
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Usability, Usability Testing, Problem Solving, Human Factors, User Experience Design, Human Centered Design, Critical Thinking and Problem Solving, Human Factors Engineering, Creativity, User Research, Decision Making, Human Computer Interaction, Human Learning, User Interface (UI), Data Collection, Human Machine Interfaces, Research Design, Computer Displays, Accident Prevention, Control Systems
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Statistical Process Controls, Statistical Hypothesis Testing, Lean Methodologies, Team Motivation, Process Improvement, Six Sigma Methodology, Kaizen Methodology, Lean Six Sigma, Process Capability, Lean Manufacturing, Risk Analysis, Team Leadership, Quality Improvement, Team Management, Benchmarking, Motivational Skills, Performance Measurement, Change Management, Root Cause Analysis, Regression Analysis
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Apache Spark, PySpark, Applied Machine Learning, Big Data, Machine Learning Methods, Data Storage Technologies, Data Preprocessing, Data Storage, Machine Learning Algorithms, Machine Learning, Distributed Computing, Data Processing, Data Science, Statistical Methods, Model Evaluation, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Research, Internet Of Things, Usability Testing, Prototyping, Design Thinking, Ideation, Automation, Advanced Analytics, User Experience Design, Big Data, User Centered Design, IT Security Architecture, Interaction Design, Data-Driven Decision-Making, Human Centered Design, Data Management, Robotics, Control Systems, Hardware Architecture, Manufacturing Processes
Beginner · Specialization · 1 - 3 Months

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, OpenAI API, Generative AI Agents, Agentic systems, AI Workflows, Large Language Modeling, Hugging Face, OpenAI, ChatGPT, Embeddings, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Application Development, Program Development, Retrieval-Augmented Generation, Artificial Intelligence, Data Processing
Intermediate · Specialization · 3 - 6 Months

American Psychological Association
Skills you'll gain: Data Visualization, Descriptive Statistics, Plot (Graphics), Data Literacy, Graphing, Statistical Hypothesis Testing, Probability & Statistics, Statistical Inference, Quantitative Research, Statistics, Statistical Analysis, Sample Size Determination, Data Analysis, Sampling (Statistics), Exploratory Data Analysis, Scatter Plots, Correlation Analysis, Psychology, Research Design, Scientific Methods
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Prototyping, Usability Testing, Wireframing, Interaction Design, User Experience Design, Figma (Design Software), Usability, User Interface (UI) Design, Mockups, UI/UX Research, Design Thinking, User Research, Style Guides
Mixed · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Matplotlib, Software Testing, Docker (Software), Development Environment, Unit Testing, Test Automation, Continuous Integration, Data Manipulation, Pandas (Python Package), Scripting, Data Modeling, DevOps, Programming Principles, Python Programming, Data Structures, Computer Programming
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Extract, Transform, Load, Data Analysis, Data Preprocessing, Jupyter, Data Visualization, Unsupervised Learning, Statistical Analysis, Model Evaluation, Exploratory Data Analysis, Data Migration, Machine Learning, Business Analytics, Classification Algorithms, Analytical Skills, Data Manipulation, Data Storytelling, Stakeholder Engagement, Project Scoping, Business Priorities, Business Analysis
Intermediate · Professional Certificate · 3 - 6 Months

Microsoft
Skills you'll gain: Web Development, Flask (Web Framework), Restful API, Cloud Deployment, Selenium (Software), Front-End Web Development, Web Applications, Full-Stack Web Development, Object-Relational Mapping, JavaScript Frameworks, Application Security, HTML and CSS, Back-End Web Development, Databases, Application Programming Interface (API), Python Programming, Vue.JS, Relational Databases, SQL, Collaboration
Beginner · Course · 1 - 3 Months