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: Restful API, Spring Boot, API Design, Application Programming Interface (API), Spring Framework, JSON, Object-Relational Mapping, Web Services, Business Logic, Data Modeling, Software Architecture, Back-End Web Development, Data Persistence, Data Access
★ 5 (18) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, Frontend Integration, Authentications, Front-End Web Development, Authorization (Computing), Application Programming Interface (API), Secure Coding, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: OpenAI API, OpenAI, AI Workflows, LLM Application, AI Integrations, Generative AI Agents, AI Personalization, Agentic Workflows, Application Programming Interface (API), Performance Testing, Artificial Intelligence, Context Management, Application Development
★ 4.6 (22) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Multimodal Prompts, Prompt Patterns, OpenAI API, ChatGPT, OpenAI, JSON, Large Language Modeling, Python Programming, Text Mining, Data Capture, Data Validation, Unstructured Data, Development Environment, Key Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, API Design, API Testing, Java Programming, Java, Mobile Development, Apache Maven, Program Development, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Frontend Integration, API Gateway, Application Programming Interface (API)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Secure Coding, Application Programming Interface (API), API Design, Authentications, Server Side, MongoDB, Restful API, Full-Stack Web Development, Development Environment, Back-End Web Development, Package and Software Management, Object-Relational Mapping, Database Development, Middleware, JSON, User Accounts, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: API Gateway, Cloud Deployment, Cloud Development, Restful API, Application Programming Interface (API), Cloud Applications, Application Deployment, API Design, Go (Programming Language), Software Development, Google Cloud Platform, Personally Identifiable Information, Data Access, DevOps, Database Application, Data Management
★ 3.9 (7) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Google Cloud Platform, Embeddings, Cloud API, Application Programming Interface (API), Unsupervised Learning, Natural Language Processing, Classification Algorithms, Development Environment, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, API Design, Application Programming Interface (API), Security Controls, Virtual Environment, Development Environment, Python Programming, Secure Coding, Data Access, User Accounts, Package and Software Management, Application Security, Encryption
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud API, Health Informatics, Data Import/Export, Data Mapping, Clinical Data Management, Health Care, Health Information Management, Data Store, Web Development
★ 3.4 (14) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Ajax, jQuery, JSON, Javascript and jQuery, Debugging, Application Programming Interface (API), Web Applications, Javascript, Video Game Development, Program Development, Game Design, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months