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: Fine-tuning, Tensorflow, Keras (Neural Network Library), Model Training, Model Evaluation, Transfer Learning, Natural Language Processing, Data Preprocessing, Deep Learning, Data Pipelines
★ 4.6 (212) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Audit Planning, Service Level Agreement, Data Governance, Systems Development Life Cycle, Data Loss Prevention, Security Testing, Network Security, Software Development Life Cycle, IT Management, Systems Development, Incident Management, IT General Controls (ITGC), Problem Management, Control Objectives for Information and Related Technology (COBIT), Cryptography, Cloud Management, Generally Accepted Auditing Standards, Software Development Methodologies, Auditing, Internal Controls
★ 4.7 (67) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Unit Testing, Apple Xcode, Development Testing, Authorization (Computing), Test Case, Mobile Development, Software Testing, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Application Development, Functional Design
★ 4.7 (92) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Concision, Grant Writing, Sample Size Determination, Institutional Review Board (IRB), Grant Applications, Proposal Writing, Biostatistics, Proposal Development, Writing, Clinical Research Ethics, Editing, Statistical Analysis, Persuasive Communication, Data Analysis, Clinical Research, Statistical Methods, Medical Science and Research, Research Design, Science and Research, Statistical Hypothesis Testing
★ 4.9 (58) · Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Prompt Patterns, Generative AI, Prompt Engineering Tools, Prompt Engineering, AI literacy, Google Cloud Platform, Large Language Modeling, Cloud API, Cloud Computing
★ 4.3 (15) · Beginner · Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Lean Manufacturing, Lean Six Sigma, Process Mapping, Statistical Process Controls, Six Sigma Methodology, Failure Mode And Effects Analysis, Process Flow Diagrams, Process Analysis, Kaizen Methodology, Process Optimization, Quality Improvement, Operational Efficiency, Process Improvement, Performance Measurement, Manufacturing Operations, Quality Management, Operational Excellence, Business Process, Statistical Analysis, Kanban Principles
★ 4.4 (41) · Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Azure, NoSQL, Database Administration, Data Store, Database Systems, Cloud Storage, Database Theory, Data Storage, Cloud Services, Data Storage Technologies, Data Security, Data Management, Query Languages, Application Programming Interface (API)
★ 4.3 (104) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Object Oriented Design, Java Programming, Object Oriented Programming (OOP), Java, Unit Testing, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Application Development, Authentications, Code Reusability, Android Development, Application Design, Debugging, Performance Tuning
★ 4.6 (84) · Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Exploit development, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Security Testing, Cyber Security Assessment, Cyber Operations, Computer 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
★ 4.6 (18) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Statistical Visualization, Sampling (Statistics), Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Data Manipulation, Web Scraping, Data Science, R (Software), Data Analysis Software
★ 4.5 (110) · Beginner · Specialization · 3 - 6 Months

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Health Technology, Health Systems, Health Informatics, Health Care Administration, Health Care, Health Administration, Health Information Management, Telehealth, Clinical Informatics, Medical Records, Medical Devices, Electronic Medical Record, Computerized Physician Order Entry, Clinical Documentation, Electronic Medical Record System, Health Policy, Patient Communication, Interoperability, Patient-centered Care, Emerging Technologies
★ 4.6 (495) · Intermediate · Course · 3 - 6 Months

EDUCBA
Skills you'll gain: Technical Drawing, Engineering Drawings, Mechanical Drawings, Computer Aided Three-Dimensional Interactive Application (CATIA), Assembly Drawing, 3D Modeling, Mechanical Design, Drafting and Engineering Design, Computer-Aided Design, Visualization (Computer Graphics), Design Software, File Management, Engineering Design Process, Interoperability, User Interface (UI)
★ 4.7 (233) · Beginner · Course · 1 - 3 Months