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.

Board Infinity
Skills you'll gain: Unit Testing, Angular, Software Testing, Frontend Performance, Software Architecture, Application Programming Interface (API), Frontend Integration, Performance Tuning, Authentications, Authorization (Computing), Scalability, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Unit Testing, Node.JS, Hardening, Application Performance Management, Authentications, Software Testing, System Monitoring, Secure Coding, Performance Tuning, Back-End Web Development, Postman API Platform, Application Programming Interface (API), Application Deployment, Debugging, Security Testing, Web Development Tools, JSON, MongoDB, GitHub
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Programming Interface (API), Java Programming, JSON, Data Validation, Test Automation, Test Case, Test Tools, Development Environment, Verification And Validation, Back-End Web Development
★ 5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, API Testing, Restful API, Software Quality (SQA/SQC), Application Programming Interface (API), Test Automation, Java, Development Testing, Test Data, IT Automation, Automation, Database Application, Development Environment, Data Validation, Application Development
★ 4.6 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, Application Deployment, Application Programming Interface (API), Authentications, API Testing, Cloud Deployment, User Accounts, Test Script Development, Debugging, Back-End Web Development, Software Testing, Continuous Integration, Database Management
★ 4.3 (24) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, Test Automation, Performance Testing, Java Programming
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: API Gateway, Authentications, Application Programming Interface (API), OAuth, API Design, Authorization (Computing), Restful API, Application Security, Data Security, Encryption, Security Controls, Application Performance Management, System Monitoring, Prometheus (Software), Role-Based Access Control (RBAC), Flask (Web Framework), Grafana, Dashboard Creation, Python Programming
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Context Protocol, Containerization, Docker (Software), Model Deployment, Restful API, API Design, Application Programming Interface (API), AI Integrations, Authentications, Tool Calling, Scalability, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Continuous Integration, CI/CD, Selenium (Software), Test Script Development, OAuth, Software Testing, Development Environment, Application Programming Interface (API), Test Case, Test Tools, Git (Version Control System), Software Installation
Intermediate · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud API, JSON, Restful API, Application Programming Interface (API), Google Cloud Platform, Web Services, Authentications, Network Protocols
★ 3.2 (29) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: ASP.NET, C# (Programming Language), Application Programming Interface (API), Restful API, Microsoft Azure, Web Applications, Application Development, Development Environment, Middleware
★ 2.6 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, Test Automation, Functional Testing, Java, Automation, Verification And Validation, Environment
★ 5 (11) · Beginner · Course · 1 - 4 Weeks