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.

L&T EduTech
Skills you'll gain: Construction Engineering, Construction, Civil Engineering, Structural Engineering, Engineering Practices, Laboratory Testing, General Construction and Construction Labor, Structural Analysis, Analytical Testing, Planning
★ 4.7 (10) · Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Data-Driven Decision-Making, Microsoft Excel, Forecasting, Regression Analysis, Data Literacy, Excel Formulas, Statistical Analysis, Data Analysis Software, Time Series Analysis and Forecasting, Spreadsheet Software, Analytics, Data Visualization, Statistical Methods, Data Analysis, Statistics, Statistical Hypothesis Testing, Probability & Statistics, Statistical Modeling, Statistical Inference, Variance Analysis
★ 4.7 (34) · Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Prompt Patterns, Power Platform Architecture & Technical Design, Microsoft Power Platform, AI Workflows, Agentic Workflows, Generative AI Agents, Performance Tuning, Business Logic, AI Integrations, Agentic systems, Application Deployment, Generative AI, Performance Testing, Scalability, Data Integration, User Feedback
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Research Design, Science and Research, Laboratory Research, Research Methodologies, Sensory Systems Analysis, Statistical Analysis, Psychological Evaluations, Data Analysis, Data Collection, Neurology, Psychology, Physiology, Image Analysis, Medical Imaging, Statistical Hypothesis Testing, Statistical Inference
★ 4.6 (8) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Apache Airflow, MLOps (Machine Learning Operations), Fine-tuning, User Acceptance Testing (UAT), Prompt Patterns, LLM Application, AI Security, Extract, Transform, Load, Scripting, Technical Communication, SQL, Model Optimization, Data Pipelines, Data Presentation, Large Language Modeling, Python Programming, Performance Tuning, Root Cause Analysis, Statistical Analysis, Version Control
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microservices, Application Deployment, Cloud Deployment, Google App Engine, Cloud Infrastructure, API Design, Restful API, Cloud Engineering, Cloud Computing Architecture, Kubernetes, Google Cloud Platform, Cloud Security, CI/CD, Cloud Computing, Infrastructure Architecture, Service Level, Site Reliability Engineering, Application Programming Interface (API), Continuous Integration, Cloud Solutions
★ 4.7 (127) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Manipulation, Informatics, Clinical Informatics, Data Science, Health Informatics, Clinical Data Management, Classification Algorithms, Analytics, Model Evaluation, Data Validation, Performance Testing
★ 4.5 (40) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Application Deployment, API Gateway, Cloud-Native Computing, Containerization, Network Troubleshooting, Data Storage, Network Administration, Infrastructure Security, Role-Based Access Control (RBAC), Software-Defined Networking, Security Controls, Linux Administration, Data Storage Technologies, General Networking, Network Architecture, Problem Management, Network Security, Test Tools, Scenario Testing
★ 4.7 (15) · Intermediate · Specialization · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Product Lifecycle Management, Climate Change Mitigation, Energy and Utilities, Environmental Science, Sustainable Development, Mathematical Modeling, Sustainable Engineering, Sustainable Systems, Analysis, Microsoft Excel, Process Analysis, Data Literacy, Scenario Testing, Model Optimization, Open Source Technology
★ 4.4 (27) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Vulnerability Assessments, MITRE ATT&CK Framework, Security Testing, Threat Detection, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR), Cloud Computing
★ 4.8 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computational Thinking, Theoretical Computer Science, Mathematical Modeling, Dataflow, Mathematical Theory & Analysis, Performance Testing, Process Modeling, Embedded Systems, Model Optimization
★ 4.4 (44) · Mixed · Course · 1 - 3 Months

Edureka
Skills you'll gain: AI Security, Responsible AI, Incident Response, Computer Security Incident Management, Data Ethics, Generative AI, LLM Application, Large Language Modeling, Generative Model Architectures, Prompt Patterns, Threat Modeling, Security Testing, Cybersecurity, IT Security Architecture, Artificial Intelligence, Machine Learning, Security Management, MLOps (Machine Learning Operations), Agentic systems, Ethical Standards And Conduct
★ 3.5 (6) · Beginner · Specialization · 3 - 6 Months