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.

University of Michigan
Skills you'll gain: Unified Modeling Language, Software Design, Software Design Documents, Diagram Design, Image Analysis, Python Programming, Jupyter, Software Engineering, Application Programming Interface (API), Program Development, Computer Vision, Computer Programming
Intermediate · Course · 1 - 4 Weeks

The University of Chicago
Skills you'll gain: Software-Defined Networking, Virtual Networking, Software-Defined Data Center (SDDC), Computer Networking, Virtualization, Network Architecture, Network Administration, Network Switches, Network Routing, Network Security, Network Protocols, Hardware Architecture, Application Programming Interface (API), Verification And Validation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Angular, Development Environment, Software Development Tools, Back-End Web Development, Computer Programming Tools, JavaScript Frameworks, Authentications, Web Development Tools, Application Development, Integrated Development Environments, Application Frameworks, Web Applications, User Accounts, UI Components, Application Programming Interface (API), TypeScript, Data Persistence, Data Store, Maintainability, User Interface (UI)
Intermediate · Course · 1 - 3 Months

JetBrains
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, LLM Application, Embeddings, OpenAI API, AI Integrations, Large Language Modeling, API Design, Agentic Workflows, Generative AI Agents, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Agentic systems, Python Programming, Machine Learning Methods, Docker (Software), Integrated Development Environments, Machine Learning Algorithms, Data Science
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components, Web Development
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Application Frameworks, Spring Boot, Software Architecture, API Gateway, Web Services, Cloud-Native Computing, Object-Relational Mapping, Transaction Processing, Data Persistence, Frontend Integration, Service Oriented Architecture, JSON, Database Management, Unit Testing, Java Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Test Automation, Object Oriented Programming (OOP), CI/CD, Test Script Development, File I/O, Unit Testing, Devops Tools, Continuous Integration, Jupyter, Data Import/Export, DevOps, IT Automation, Application Programming Interface (API), Program Development, Software Testing, Maintainability, Scripting, Integrated Development Environments, Python Programming, Development Environment
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Angular, TypeScript, JavaScript Frameworks, UI Components, Frontend Performance, React Native, Web Applications, Front-End Web Development, React.js, Javascript, Web Development, Frontend Integration, Restful API, Unit Testing, User Interface (UI)
Intermediate · Course · 3 - 6 Months

Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Model Context Protocol, AI Orchestration, Agentic Workflows, Generative AI Agents, Software Testing, Email Automation, AI Integrations, Model Deployment, Prompt Engineering, Retrieval-Augmented Generation, Customer Support, Artificial Intelligence, Agentic systems, Large Language Modeling, OpenAI API, Tool Calling, Automation, Vector Databases
Beginner · Course · 1 - 4 Weeks
Amazon Web Services
Skills you'll gain: Serverless Computing, AWS Identity and Access Management (IAM), Event-Driven Programming, Solution Architecture, Cloud Computing Architecture, Cloud Solutions, User Accounts, Identity and Access Management, Amazon Web Services, Software Architecture, IT Security Architecture, Back-End Web Development, API Gateway, Hybrid Cloud Computing, Cloud Engineering, Systems Architecture, Enterprise Architecture, Cloud Management, Data Analysis, Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, UI Components, JavaScript Frameworks, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Javascript, Application Programming Interface (API), Code Reusability, Data Sharing
Beginner · Course · 1 - 3 Months