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: Microsoft Copilot, CI/CD, Cascading Style Sheets (CSS), GitHub, C# (Programming Language), HTML and CSS, Azure DevOps, Object Oriented Design, Continuous Integration, Version Control, Git (Version Control System), Object Oriented Programming (OOP), ASP.NET, Full-Stack Web Development, Web Development, Web Design and Development, SQL, Secure Coding, .NET Framework, Graph Theory
Beginner · Professional Certificate · 3 - 6 Months

University of Alberta
Skills you'll gain: Service Oriented Architecture, API Design, Web Services, Simple Object Access Protocol (SOAP), Microservices, Restful API, Software Architecture, Application Programming Interface (API), Web Applications, Software Design, JSON, Android Development
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Software Testing, Regression Testing, White-Box Testing, System Testing, Test Automation, Test Planning, Acceptance Testing, Test Engineering, Functional Testing, Test Case, Test Script Development, Test Tools, Software Quality Assurance, Verification And Validation, Unit Testing, Code Coverage, Software Quality (SQA/SQC), Integration Testing, Performance Testing, Security Testing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, Unit Testing, Code Reusability, JavaScript Frameworks, UI Components, Frontend Integration, Front-End Web Development, Web Applications, Software Design Patterns, Javascript, Data Access, Data Sharing, Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, Large Language Modeling, AI Security, Agentic Workflows, Embeddings, Generative AI Agents, Vector Databases, Generative AI, Application Deployment, Context Management, Artificial Intelligence, AI Personalization, Knowledge Transfer, Prototyping, Test Tools, JSON, Systems Architecture, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Web Design and Development, Scalability, HTML and CSS, Cloud Hosting, Responsive Web Design, Web Development, Web Applications, Cloud Deployment, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Cloud Computing, Application Programming Interface (API), Restful API, Virtual Environment, Javascript
Intermediate · Course · 1 - 3 Months

Google DeepMind
Skills you'll gain: Prompt Engineering, Google Gemini, Gemini, Generative AI Agents, AI Integrations, Google Cloud Platform, Application Programming Interface (API), Real Time Data, Key Management, Tool Calling, Agentic systems, Cloud Deployment, Generative Model Architectures, Generative AI, Large Language Modeling, AI Security, Artificial Intelligence, AI Workflows, Cloud Applications, Cloud Development
Intermediate · Specialization · 1 - 3 Months

Anthropic
Skills you'll gain: Claude Code, Anthropic Claude, Command-Line Interface, Tool Calling, Model Context Protocol, LLM Application, Software Development Tools, GitHub, Context Management, Code Review, Software Development, Generative AI Agents, Automation, Software Engineering
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Anthropic Claude, Prompt Engineering, LLM Application, Generative AI, Large Language Modeling, Multimodal Prompts, Cloud API, AI literacy, Artificial Intelligence, Responsible AI, Application Programming Interface (API), Cloud Deployment
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: AI Integrations, Cloud Deployment, Cloud Applications, Cloud Development, Cloud API, Application Deployment, API Gateway, OpenAI API, Cloud Hosting, Cloud Security, Application Programming Interface (API), Cloud Computing, Secure Coding, Serverless Computing, LLM Application, Cloud Technologies, OpenAI, Distributed Computing, Performance Tuning, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Responsible AI, LangGraph, AI Integrations, AI Workflows, AI Orchestration, Agentic Workflows, LangChain, Generative AI Agents, CrewAI, OpenAI API, Agentic systems, LLM Application, Tool Calling, Case Studies, OpenAI, Governance, Compliance Management, Model Deployment, AI Security
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, .NET Framework, JSON, Application Programming Interface (API), API Design, Application Frameworks, Web Services, Middleware, Back-End Web Development, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks