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: Process Mapping, Root Cause Analysis, Lean Six Sigma, Lean Methodologies, Correlation Analysis, Process Improvement, Six Sigma Methodology, Risk Management, Regression Analysis, Statistical Process Controls, Continuous Improvement Process, Data Collection, Process Flow Diagrams, Descriptive Statistics, Statistical Hypothesis Testing, Process Optimization, Customer Analysis, Quality Improvement, User Feedback, Quality Management
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, Semiconductors, Electronics, Electronic Components, Performance Testing, Physics, Mathematical Modeling
Build toward a degree
Advanced · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Load Balancing, Scalability, Performance Tuning, Software Architecture, Microsoft Copilot, Application Design, Performance Testing, Systems Architecture, Application Performance Management, Distributed Computing, Database Management, Middleware, SQL
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: PHP (Scripting Language), Model View Controller, Restful API, Web Development, Object-Relational Mapping, Web Applications, Full-Stack Web Development, Development Environment, Software Testing, Back-End Web Development, Application Frameworks, Database Management, Application Security, Authentications, Authorization (Computing), Package and Software Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Data Loss Prevention, Mobile Security, DevSecOps, MLOps (Machine Learning Operations), Vulnerability Scanning, Incident Response, LLM Application, Hardening, Application Security, Anomaly Detection, Responsible AI, Security Controls, Data Security, CI/CD, Infrastructure Security, Continuous Monitoring, Penetration Testing, Process Optimization, Vulnerability Assessments
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: JavaScript Frameworks, React.js, Application Development, Application Frameworks, Application Deployment, Web Applications, Front-End Web Development, Development Environment, Cascading Style Sheets (CSS), Web Development, Routing Protocols, Responsive Web Design, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Scientific Methods, Systems Of Measurement, Experimentation, Statistical Analysis, Quantitative Research, Human Factors, Psychology, Research Methodologies, Neurology, Product Testing, Physiology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Vulnerability Scanning, Cybersecurity, Vulnerability Assessments, Network Analysis, Exploitation techniques, Linux, Virtual Machines, Operating Systems
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cryptographic Protocols, Cryptography, Exploit development, Amazon Web Services, Infrastructure Security, Cyber Security Strategy, Amazon Elastic Compute Cloud, Application Security, Cloud Computing, Email Security, Public Key Infrastructure, Containerization, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, Apple Xcode, Swift Programming, Mobile Development, Objective-C (Programming Language), User Interface (UI), Development Environment, Simulations, Storyboarding
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Computer Programming Tools, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Software Development Tools, Exploit development, Debugging, Interoperability, Unix, Embedded Systems, Vulnerability Assessments, Unix Commands, File I/O, Operating Systems, Data Security, Linux, Microsoft Windows
Intermediate · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Digital Signal Processing, Musical Composition, Music, Electronic Components, Electronics, Music Theory, Hardware Design, Embedded Systems, System Configuration, Algorithms, Instrumental Music, Performance Tuning, Data Import/Export, Programming Principles, Generative AI, Digital Communications, Creative Design, Interoperability, Other Programming Languages, Development Environment
Beginner · Specialization · 1 - 3 Months