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: Test Driven Development (TDD), Unit Testing, Test Planning, Debugging, Browser Compatibility, Performance Testing, Security Testing, Software Testing, System Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Integration Testing, Development Testing, Test Case, Test Automation, Test Engineering, Continuous Delivery, Software Development Tools
Intermediate · Specialization · 1 - 3 Months

Google DeepMind
Skills you'll gain: Google Gemini, Gemini, Cloud API, Application Programming Interface (API), Real Time Data, Prompt Engineering, Large Language Modeling, Token Optimization, Tool Calling, LLM Application, AI Workflows, JSON, Generative AI, Data Integration, Development Environment, Python Programming, Key Management, Debugging
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Unit Testing, Test Case, Debugging, Software Testing, Test Script Development, Development Testing, Test Automation, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Software Quality Assurance, Quality Assurance, Software Testing, Test Tools, Jira (Software), Development Testing, Regression Testing, Functional Testing, Software Quality (SQA/SQC), Test Planning, Test Case, Technical Communication, Issue Tracking, Agile Methodology, Software Development, Agile Project Management, Risk Management, User Interface and User Experience (UI/UX) Design, Data Analysis, Problem Solving
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Test Planning, Software Testing, Test Tools, Software Quality Assurance, Test Case, Software Quality (SQA/SQC), Quality Assurance, Technical Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Development Testing, Software Testing, Test Automation, Test Tools, Test Planning, Test Case, Maintainability, Software Quality (SQA/SQC), Software Quality Assurance, API Design, Application Programming Interface (API), Event-Driven Programming, Mockups, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, React.js, Frontend Performance, Full-Stack Web Development, Unit Testing, Performance Tuning, JavaScript Frameworks, Frontend Integration, Code Reusability, Software Testing, Server Side, Software Design Patterns, UI Components, Data Validation, User Interface (UI)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Test Tools, Browser Compatibility, Java, Cascading Style Sheets (CSS), Data Import/Export, Debugging, Maintainability
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Product Development, New Product Development, Wireframing, Product Design, User Experience Design, Prototyping, Persona (User Experience), Design Thinking, Experience Design, Conceptual Design, Agile Product Development, Product Testing, Project Management, Product Lifecycle Management, Product Management, Functional Design, Service Design, Agile Methodology
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Kubernetes, Docker (Software), Application Deployment, Cloud Deployment, Cloud-Native Computing, Google App Engine, Google Cloud Platform, Distributed Computing, Test Tools, API Testing, Performance Stress Testing, Performance Testing, DevOps, Public Cloud, Restful API, Web Development
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Scalability, Role-Based Access Control (RBAC), Load Balancing, Authentications, Secure Coding, Microsoft Copilot, ASP.NET, Data Security, Performance Tuning, Endpoint Security, Back-End Web Development, .NET Framework, API Design, Restful API, Application Security, Application Development, C# (Programming Language), Multi-Factor Authentication, Process Optimization, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Query Languages, Business Logic, Model View Controller, Software Architecture
Intermediate · Course · 1 - 4 Weeks