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: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Code Reusability, Restful API, HTML and CSS, Web Applications, Web Development, Javascript, Application Development, Computer Programming
★ 4.1 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Spring Boot, React.js, Spring Framework, Object-Relational Mapping, Frontend Integration, Restful API, YAML, Data Access, Database Application, Data Persistence, Web Applications, JavaScript Frameworks, Back-End Web Development, Databases, Application Performance Management, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling, Software Design Patterns
★ 4.5 (48) · Beginner · Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, SQL, LLM Application, Query Languages, Generative AI Agents, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Large Language Modeling
★ 4.5 (54) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Frontend Integration, React.js, Full-Stack Web Development, JavaScript Frameworks, Restful API, Front-End Web Development, Back-End Web Development, Spring Boot, Web Applications, User Interface (UI), User Interface (UI) Design, Data Persistence
★ 4.7 (15) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, Restful API, User Interface (UI) Design, Application Programming Interface (API), Web Development Tools, User Interface (UI), Web Design and Development, Database Design, HTML and CSS, User Interface and User Experience (UI/UX) Design, API Gateway, API Design, Front-End Web Development, Web Design, MongoDB, Cascading Style Sheets (CSS), Database Theory, Database Management, OAuth, Software Documentation
★ 5 (7) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Artificial Neural Networks, Tensorflow, Keras (Neural Network Library), Data-Driven Decision-Making, Applied Machine Learning, Machine Learning Software, Deep Learning, Machine Learning, Feature Engineering, Risking, Model Evaluation, Mortgage Loans, Consumer Lending
★ 4.6 (29) · Intermediate · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Azure Active Directory, Microsoft Azure, Web Applications, Cloud Applications, Application Security, Cloud Security, Identity and Access Management, Authorization (Computing), Key Management, Application Development, Security Strategy, Application Programming Interface (API), Authentications, Encryption
★ 4.6 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Model Training, Applied Machine Learning, Convolutional Neural Networks, Deep Learning, Model Optimization, Machine Learning, Computer Vision
★ 4.7 (78) · Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: MLOps (Machine Learning Operations), Model Training, Model Deployment, Google Cloud Platform, Applied Machine Learning, Data Pipelines, AI Integrations, Machine Learning
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Angular, Authorization (Computing), JavaScript Frameworks, Application Programming Interface (API), TypeScript, Javascript, Web Development
★ 4.7 (18) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Spring Framework, Version Control, Spring Boot, Hibernate (Java), Object-Relational Mapping, GitHub, Git (Version Control System), Java Programming, Java, Software Configuration Management, Software Documentation, Development Environment, JUnit, Restful API, Application Performance Management, Model View Controller, Back-End Web Development, User Accounts, Authentications, Application Programming Interface (API)
★ 4.3 (8) · Intermediate · Course · 3 - 6 Months