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.

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), Azure DevOps, Load Balancing, Object Oriented Design, Continuous Integration, Role-Based Access Control (RBAC), Continuous Delivery, Scalability, Authentications, SQL, Microsoft Copilot, .NET Framework, Relational Databases, ASP.NET, Database Management, Graph Theory, Back-End Web Development, Program Development, Data Structures
Beginner · Professional Certificate · 3 - 6 Months

LearnKartS
Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Debugging, Bioinformatics, Java, Algorithms, Java Programming, Program Development, Programming Principles, Statistical Analysis, Software Design, Computer Programming, Integrated Development Environments, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), Data Analysis, Web Scraping, Software Testing, Problem Solving
Beginner · Course · 1 - 3 Months

Total Seminars
Skills you'll gain: Exploitation techniques, Penetration Testing, Cybersecurity, Cloud Security, Vulnerability Assessments, Security Testing, Web Applications, Cloud Platforms, Human Factors (Security), Cloud Infrastructure, Security Strategy, Application Programming Interface (API), Mobile Security, Virtualization, AWS Identity and Access Management (IAM), Databases, Mobile Development Tools, Scripting Languages, SQL, Azure DevOps
Advanced · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, Spring Framework, API Design, Application Programming Interface (API), Data Validation, Model View Controller, Back-End Web Development, Spring Boot, Server Side, Java Programming, Verification And Validation, Maintainability, Enterprise Application Management, Configuration Management, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), Restful API, Cloud Deployment, Dashboard Creation, Full-Stack Web Development, Data Visualization, Application Deployment, Object-Relational Mapping, Interactive Data Visualization, Cloud Applications, Application Programming Interface (API), API Design, Web Applications, Web Development, Authentications, Database Management, User Accounts, Scalability
Beginner · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Amazon Bedrock, Amazon Web Services, Agentic Workflows, LLM Application, Anthropic Claude, Generative AI Agents, Agentic systems, Retrieval-Augmented Generation, Tool Calling, Cloud Computing, Generative AI, Model Deployment, Prototyping, Bash (Scripting Language), Embeddings, Large Language Modeling, Restful API, Prompt Engineering, Vector Databases, Rust (Programming Language)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Performance Management, Network Troubleshooting, Performance Tuning, JSON, Video Game Development, Game Design, Network Protocols, Debugging, Secure Coding, Servers, Computer Networking, Server Side, API Design, Animation and Game Design, Authentications, General Networking, Program Development, Communication Systems, Real Time Data
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Quality Monitoring, Cloud API, Application Programming Interface (API), Cloud Hosting, Webhook Security, Data Migration
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Agentic systems, Tool Calling, Agentic Workflows, Generative AI Agents, Gemini, Google Gemini, LLM Application, AI Integrations, OpenAI, Middleware, Angular, Development Environment, Systems Architecture, Node.JS, Frontend Integration, Debugging, JSON, Data Validation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), Restful API, Application Deployment, Cloud Deployment, Dashboard Creation, Full-Stack Web Development, Application Programming Interface (API), Data Visualization, Object-Relational Mapping, Interactive Data Visualization, Application Development, Cloud Applications, API Design, Back-End Web Development, Database Management, Bootstrap (Front-End Framework), Database Development, Authentications, Web Applications, Web Development
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Application Deployment, Node.JS, Docker (Software), React.js, Front-End Web Development, Containerization, Full-Stack Web Development, Back-End Web Development, Frontend Integration, Server Side, JavaScript Frameworks, Restful API, Web Development, Web Applications, Application Development, Javascript, Application Programming Interface (API), Software Development, Authentications, Project Management Software
Beginner · Course · 1 - 3 Months