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: JavaScript Frameworks, Web Development Tools, Test Automation, API Testing, Test Tools, Software Testing, Network Performance Management, Web Servers
Advanced · Guided Project · Less Than 2 Hours

Tencent Cloud
Skills you'll gain: Cloud Development, Cloud-Native Computing, Cloud Applications, Serverless Computing, Cloud Computing, Cloud Infrastructure, Application Development, Cloud API, Microservices, Distributed Computing, Mobile Development Tools, Data Migration, AI Enablement
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: ASP.NET, Restful API, Full-Stack Web Development, Cloud Deployment, Performance Tuning, Frontend Integration, .NET Framework, Application Programming Interface (API), Data Modeling, Development Environment, Cloud Applications, Object-Relational Mapping, Web Development, Software Development, Cloud Infrastructure, Web Applications, UI Components, Authentications, Application Development, Application Design
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Agentic systems, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Debugging
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, JSON, Software Architecture, Web Design and Development, Web Applications, Front-End Web Development, Web Development, Server Side
Beginner · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Node.JS, Full-Stack Web Development, Authentications, Server Side, Back-End Web Development, Restful API, Middleware, Database Application, Data Validation, TypeScript, Application Programming Interface (API), Object-Relational Mapping, MongoDB, Databases, MySQL
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Spring Framework, Spring Boot
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: TypeScript, Javascript, Object Oriented Programming (OOP), Software Design Patterns, API Design, Programming Principles, Web Development Tools, Data Structures, Development Environment, Maintainability, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Large Language Modeling, LLM Application, OpenAI API, Trend Analysis, Real Time Data, Analytics, Business Marketing, Program Development, Prompt Engineering, Business Strategy, Generative AI, ChatGPT, Technology Roadmaps, Market Trend, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Content Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Performance, Restful API
Intermediate · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, ChatGPT, Unified Modeling Language, LLM Application, Prompt Engineering, Software Visualization, Technical Communication, Application Programming Interface (API), Development Environment, Software Development, File Management
Intermediate · Guided Project · Less Than 2 Hours

Macquarie University
Skills you'll gain: DevSecOps, Secure Coding, Software Architecture, Security Engineering, Software Design, Microsoft Azure, Cybersecurity, DevOps, Kubernetes, Infrastructure as Code (IaC), Web Applications, Azure DevOps, Containerization, API Design, Software Engineering, Role-Based Access Control (RBAC), Dependency Analysis, Git (Version Control System)
Beginner · Course · 1 - 3 Months