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.

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

Coursera
Skills you'll gain: Project Schedules, Application Programming Interface (API), IT Automation, Scheduling, Scripting, Sprint Planning, Project Management Software, Performance Metric, Automation, Restful API, Scripting Languages, Operational Efficiency, Business Metrics, Performance Measurement, Process Improvement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Application Deployment, UI Components, User Interface (UI), Application Programming Interface (API), Web Development Tools, Application Development, Development Environment, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Google DeepMind
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Google Gemini, Vibe coding, Gemini, Program Development, Google Cloud Platform, Key Management, Application Programming Interface (API), Cloud Deployment, AI Integrations, LLM Application, AI Workflows, Cloud Applications, Cloud Development, Generative AI, Prototyping, Model Evaluation, Natural Language Processing, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Middleware, React Redux, React.js, Code Reusability, Web Development Tools, Development Environment, Responsive Web Design, Frontend Performance, Scalability, Application Programming Interface (API), Web Design and Development, HTML and CSS, Front-End Web Development, Maintainability, UI Components, Cascading Style Sheets (CSS), Software Development Tools, JavaScript Frameworks, Authorization (Computing), Data Validation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Django (Web Framework), Restful API, Content Management Systems, API Design, Application Deployment, Content Management, Learning Management Systems, Docker (Software), Web Servers, Nginx, Data Modeling, Web Development, PostgreSQL, Authentications, Containerization, Ajax, Python Programming, Performance Tuning, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, API Testing, Test Automation, Test Script Development, Prompt Patterns, Test Tools, Claude Code, Software Testing, Test Case, AI Integrations, Functional Testing, Quality Assurance, GitHub Copilot, Application Programming Interface (API), Restful API, Test Data, Automation, AI Security, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Microsoft Azure, Cloud API, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), User Accounts, Image Analysis, Artificial Intelligence, Cloud Computing, Software Development
★ 4.5 (529) · Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Web Development Tools, Vibe coding, Application Programming Interface (API), Git (Version Control System), Application Development, GitHub, AI Integrations, Version Control, Application Deployment, API Design, Software As A Service, Full-Stack Web Development, Web Design and Development, Web Development, Generative AI, Application Design, Web Applications, User Interface (UI), Authentications, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: React.js, Application Deployment, UI Components, Frontend Integration, JavaScript Frameworks, Code Reusability, Web Applications, Application Programming Interface (API), Web Development Tools, Development Environment, Javascript, Context Management, User Interface (UI), Production Management
Beginner · 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: MLOps (Machine Learning Operations), AI Workflows, API Design, CI/CD, Software Quality Assurance, Code Review, Software Engineering, Software Versioning
Intermediate · Course · 1 - 4 Weeks