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.

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
Beginner · Specialization · 1 - 3 Months

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

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

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

Skills you'll gain: Prompt Engineering, Large Language Modeling, LLM Application, Retrieval-Augmented Generation, ChatGPT, Natural Language Processing, Generative AI Agents, OpenAI API, Model Deployment, Embeddings, Transfer Learning, Generative Model Architectures, Multimodal Prompts, Generative AI, Cloud Deployment, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), AI Personalization, Cost Management, Machine Learning
Intermediate · Specialization · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Serverless Computing, Cloud Applications, Back-End Web Development, Cloud Development, Database Development, Cloud API, Data Store, Cloud Deployment, Google Cloud Platform, Data Management, User Accounts
Beginner · Project · Less Than 2 Hours

Microsoft
Skills you'll gain: C++ (Programming Language), API Design, Software Architecture, Software Design, Maintainability, Data Structures, Generative AI Agents, Data Validation, Performance Tuning, Algorithms, Debugging
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), Web Components, JavaScript Frameworks, UI Components, HTML and CSS, Routing Protocols, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Application Programming Interface (API), Web Design, Restful API, Javascript, Web Development
Intermediate · Specialization · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Interoperability, DevOps, Information Systems Security, Cybersecurity, Systems Integration, Application Programming Interface (API), Application Security, IT Security Architecture, Data Security, Web Services, Information Technology, Software As A Service, Microservices, Cloud Services, Cloud Computing
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: SQL, Relational Databases, Database Management, Databases, Database Design, Data Visualization, Object Oriented Programming (OOP), Data Processing, Data Modeling, Data Manipulation, Python Programming, Data Structures, Application Programming Interface (API)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Containerization, Docker (Software), Kubernetes, Cloud-Native Computing, Prometheus (Software), CI/CD, DevOps, Grafana, Microservices, Scalability, Application Programming Interface (API), Role-Based Access Control (RBAC)
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: jQuery, Javascript, Web Applications
Intermediate · Course · 1 - 4 Weeks