API courses can help you learn how to design, build, and test application programming interfaces, as well as understand RESTful services and authentication methods. You can build skills in data exchange formats like JSON and XML, error handling, and API documentation practices. Many courses introduce tools such as Postman for testing APIs, Swagger for documentation, and various programming languages like Python or JavaScript to implement API calls, allowing you to effectively integrate and manage data across different systems.

Skills you'll gain: Jenkins, CI/CD, Continuous Integration, Test Automation, Continuous Delivery, API Testing, Software Development, Application Deployment, DevOps, Unit Testing, Agile Methodology, Software Development Methodologies, Performance Testing, GitHub
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Spring Boot, Hibernate (Java), Object-Relational Mapping, GitHub, Git (Version Control System), Java, Software Documentation, JUnit, Restful API, Application Performance Management, API Design, Model View Controller, Postman API Platform, User Accounts
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Administration, Network Security, Firewall, Ansible, System Monitoring, Network Protocols, Security Controls, Software-Defined Networking, Puppet (Configuration Management Tool), Chef (Configuration Management Tool), Network Switches, Real Time Data, Authentications, Scripting, JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Cloud Applications, Data Store, Cloud Development, Serverless Computing, Application Deployment, Google Cloud Platform, Cloud Deployment, Application Development, Application Performance Management, Application Design, Infrastructure as Code (IaC), Cloud API, API Gateway, Authentications, Application Programming Interface (API), Microservices, Cloud Storage, Cloud Computing, Debugging
Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: API Testing, Performance Testing, Test Script Development, Application Programming Interface (API), Test Tools, Software Testing, Test Planning, Simulations, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Cloud API, Natural Language Processing, Configuration Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Jest (JavaScript Testing Framework), Unit Testing, Test Case, React.js, API Testing, Test Driven Development (TDD), Software Testing, Mockups, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Performance Tuning, Software Testing, Unit Testing, Software Documentation, Application Programming Interface (API), Web Applications, Test Driven Development (TDD), Node.JS, Debugging, Maintainability, Javascript, Software Architecture, JSON, Real Time Data, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Full-Stack Web Development, JavaScript Frameworks, Restful API, Front-End Web Development, Back-End Web Development, Spring Boot, Web Applications, User Interface (UI), UI Components, Application Programming Interface (API), Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Agentic Workflows, AI Workflows, Multimodal Prompts, Tool Calling, Calendar Management, Machine Learning Methods, Scheduling, AI Security, Text Mining, Classification Algorithms, JSON
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Virtual Machines, Cloud API, Web Servers, Natural Language Processing, Live Streaming
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: API Design, Cloud Solutions, Network Troubleshooting, Server Side, Cloud Deployment, Back-End Web Development, Data Pipelines
Beginner · Course · 1 - 4 Weeks