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: Regression Analysis, Exploratory Data Analysis, Model Evaluation, Scikit Learn (Machine Learning Library), Supervised Learning, Applied Machine Learning, Machine Learning, Data Preprocessing, Deep Learning, Statistical Analysis, Data Analysis, Artificial Neural Networks, Data Import/Export, Matplotlib, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Samsung
Skills you'll gain: Hardware Troubleshooting, Display Devices, Electrical Safety, Technical Support, System Support, Test Equipment, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Prompt Engineering, LLM Application, Large Language Modeling, Responsible AI, AI Security, Code Review, Computer Programming Tools
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Retrieval-Augmented Generation, OpenAI API, AI Workflows, Generative Model Architectures, Model Deployment, Hugging Face, Programming Principles, Computer Programming, Transfer Learning, Application Deployment, Context Management, Embeddings, User Interface (UI), Model Evaluation, Vector Databases, Debugging, Software Installation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Brute-force attacks, Scripting, Authentications, Vulnerability Assessments, Python Programming, Data Access, System Monitoring, Systems Analysis, Automation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), AWS CloudFormation, CI/CD, Git (Version Control System), Jenkins, Ansible, Devops Tools, Version Control, Terraform, Docker (Software), Kubernetes, DevOps, Prometheus (Software), Cloud-Native Computing, Continuous Deployment, Containerization, Continuous Integration, Amazon Web Services, Software Development Tools, Configuration Management
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Computer Security, Network Monitoring, Application Security, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, AI Workflows, Hugging Face, Unstructured Data, SQL, Web Services, Prompt Engineering, AI Enablement, Database Management, Restful API, Data Processing
Intermediate · Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: NumPy, Debugging, Pandas (Python Package), Statistics, Data Analysis, Statistical Programming, Descriptive Statistics, Exploratory Data Analysis, Data Preprocessing, Data-oriented programming, Program Development, Numerical Analysis, Critical Thinking
Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Ajax, Web Content Accessibility Guidelines, Javascript, Web Design, Semantic Web, Usability, Web Applications, Web Development, Web Content, Usability Testing, Interactive Design, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Build toward a degree
Beginner · Specialization · 1 - 3 Months
Codio
Skills you'll gain: Matplotlib, Text Mining, GitHub, Large Language Modeling, Django (Web Framework), Git (Version Control System), Package and Software Management, Platform As A Service (PaaS), Plot (Graphics), Application Deployment, Natural Language Processing, Data Visualization Software, Unit Testing, Cloud Deployment, Jupyter, Database Development, Data Processing, Virtual Environment, Dependency Analysis, Python Programming
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: UI/UX Research, User Interface (UI) Design, Design Research, Prototyping, Usability, Figma (Design Software), Web Content Accessibility Guidelines, User Experience Design, Interactive Design, User Centered Design, Mockups, Usability Testing
Beginner · Course · 1 - 4 Weeks