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: JUnit, Unit Testing, IntelliJ IDEA, Apache Maven, Software Testing, Test Case, Testability, Test Tools, Java, Mockups
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Spring Boot, Restful API, Data Persistence, Software Testing, Java, Back-End Web Development, Front-End Web Development, Authentications, Data Modeling, Business Logic
Mixed · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Vibe coding, Programming Principles, Prompt Engineering, OpenAI API, LangChain, Generative AI Agents, AI Enablement, Artificial Intelligence, Generative AI, Responsible AI, Computer Programming, Application Development, AI Product Strategy, Artificial Intelligence and Machine Learning (AI/ML), No-Code Development, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Containerization, Node.JS, CI/CD, Kubernetes, MongoDB, Full-Stack Web Development, Back-End Web Development, Restful API, Application Deployment, Server Side, Microservices, NoSQL, Frontend Integration, Software Technical Review, Application Programming Interface (API), Database Management, Secure Coding, IBM Cloud, Authentications
Advanced · Course · 1 - 3 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Generative Model Architectures, Large Language Modeling, ChatGPT, OpenAI API, Open Source Technology, Responsible AI, Embeddings, Artificial Intelligence, Data Ethics, Natural Language Processing, Information Privacy
Mixed · Course · 1 - 4 Weeks

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

Microsoft
Skills you'll gain: ASP.NET, Data Migration, Configuration Management, Data Validation, Database Application, Middleware, Debugging, Back-End Web Development, Database Management, Data Modeling, Restful API, Maintainability, Dependency Analysis, Performance Tuning, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: LLM Application, Large Language Modeling, Prompt Engineering Tools, OpenAI API, Microsoft Copilot, AI Enablement, Generative AI, Software Development Tools, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Responsive Web Design, JSON, jQuery, Restful API, HTML and CSS, Bootstrap (Front-End Framework), API Design, GitHub, Git (Version Control System), Postman API Platform, Web Design, Hypertext Markup Language (HTML), MongoDB, Back-End Web Development, Full-Stack Web Development, Cascading Style Sheets (CSS), Web Design and Development, Scripting, Browser Compatibility
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, OpenAI API, Microsoft Copilot, AI Workflows, Application Development, Code Review, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Scraping, Extensible Markup Language (XML), Data Processing, Cascading Style Sheets (CSS), JSON, Data Capture, Application Programming Interface (API), MongoDB, Data Storage, Hypertext Markup Language (HTML)
Beginner · Course · 3 - 6 Months

Skills you'll gain: MySQL, MongoDB, NoSQL, Object-Relational Mapping, Database Design, Relational Databases, SQL, Node.JS, Restful API, Databases, Data Persistence, Data Modeling, Data Integrity, Unstructured Data
Intermediate · Course · 1 - 4 Weeks