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: Software Testing, Software Quality Assurance, Acceptance Testing, System Testing, Functional Testing, Software Quality (SQA/SQC), Quality Assurance, Behavior-Driven Development, Unit Testing, Verification And Validation, Test Tools, Test Planning, Integration Testing, User Acceptance Testing (UAT), Test Case, Software Development Life Cycle, Systems Development Life Cycle, User Story, Development Environment, Quality Control
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, Cloud Infrastructure, Cloud Deployment, CI/CD, Cloud Security, Microservices, Service Level, Google Cloud Platform, Cloud Management, Network Architecture, API Design, Site Reliability Engineering, Cloud Computing Architecture, Kubernetes, Restful API, Infrastructure Architecture, Cloud Storage, Service Management, Cloud Computing, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Restful API, Server Side, Back-End Web Development, Full-Stack Web Development, JavaScript Frameworks, JSON, Web Servers, Authentications, Web Applications, API Design, Web Development, Postman API Platform, Package and Software Management, Model View Controller, Application Programming Interface (API), Web Services, Authorization (Computing), Javascript, Computer Science
Intermediate · Course · 1 - 4 Weeks

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), JSON, Generative AI, Database Design, UI Components, Web Development, Full-Stack Web Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: C# (Programming Language), ASP.NET, Maintainability, Object Oriented Design, .NET Framework, JSON, Development Environment, Web Development, Application Frameworks, Restful API, Code Reusability, Microsoft Development Tools, Microsoft Visual Studio, File I/O, Web Applications, UI Components, Object Oriented Programming (OOP), Back-End Web Development, Functional Design, Application Deployment
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: Prompt Engineering, Anthropic Claude, Vibe coding, Prompt Patterns, Model Context Protocol, LLM Application, Context Management, OpenAI, Debugging, ChatGPT, Generative AI, Large Language Modeling, Multimodal Prompts, Cloud API, Token Optimization, Context Engineering, Code Review, Artificial Intelligence, Software Development, Web Development Tools
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Node.JS, Server Side, Event-Driven Programming, Javascript, Software Architecture, Web Applications, API Design, Microservices, Software Design Patterns, Dependency Analysis, Maintainability, Interoperability, Package and Software Management, Software Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Performance Tuning, CI/CD, DevOps, Microservices, GraphQL, Secure Coding, Application Deployment, Databases, PostgreSQL, Cloud Deployment, Back-End Web Development, Containerization, Performance Testing, Restful API, NoSQL, Application Security, TypeScript, Application Development, Javascript
Advanced · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Platform, Microsoft Copilot, Power Platform Architecture & Technical Design, AI Enablement, OpenAI API, Generative AI Agents, OpenAI, ChatGPT, Microsoft Azure, Artificial Intelligence, Generative AI, Registration, Prompt Engineering, AI Integrations, AI Workflows, Image Analysis, Power BI, Automation, Computer Vision, Data Analysis
Intermediate · Course · 3 - 6 Months

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

Skills you'll gain: Model Context Protocol, Claude Code, GitHub Copilot, Vibe coding, Anthropic Claude, AI Workflows, AI Integrations, Hypertext Markup Language (HTML), Web Applications, Generative AI Agents, Tool Calling, Web Design and Development, GitHub, Context Management, OpenAI API, Agentic Workflows, Prompt Engineering, Web Development, Generative AI, Software Engineering
Beginner · Specialization · 3 - 6 Months