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.

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Microsoft SQL Servers, C# (Programming Language), Web Services, Database Management, Database Development, JSON, Back-End Web Development, SQL, Database Design, Server Side, .NET Framework, Object Oriented Programming (OOP), Application Programming Interface (API), API Design, Database Architecture and Administration, Programming Principles, Object Oriented Design
★ 4.1 (14) · Intermediate · Course · 1 - 4 Weeks

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

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Store, Cloud API, Health Information Management, Health Informatics, Application Programming Interface (API), Cloud Management, Health Care, Cloud-Based Integration, Cloud Computing, Clinical Data Management, Health Technology
Beginner · Project · Less Than 2 Hours

Skills you'll gain: API Design, API Gateway, API Testing, Application Programming Interface (API), Software Documentation, Restful API, Software Design Documents, Server Side, Test Automation, Software Testing, Software Design, Back-End Web Development, Test Case, Collaboration, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, OpenAI API, ChatGPT, Token Optimization, Application Programming Interface (API), API Testing, AI Integrations, Authentications, Context Engineering, Large Language Modeling, Key Management, Model Optimization, Performance Tuning
★ 4.1 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Middleware, React Redux, React.js, Scalability, Application Programming Interface (API), Maintainability, Context Management, Frontend Performance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, JSON, Test Automation, Test Script Development, Application Programming Interface (API), Restful API, Software Testing, Test Tools, Integration Testing, Functional Testing
★ 4.6 (309) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud API, Google Cloud Platform, Natural Language Processing, API Testing, Cloud Applications, JSON, Communication
Beginner · Project · Less Than 2 Hours

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

Skills you'll gain: OpenAI API, Fine-tuning, Prompt Engineering, OpenAI, Large Language Modeling, ChatGPT, Multimodal Prompts, Application Performance Management, Generative Model Architectures, Generative AI, LLM Application, Image Analysis, Photo Editing, Token Optimization, Application Programming Interface (API), Animations, Tool Calling, File Management, Python Programming, Computer Science
★ 3.9 (36) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Relational Databases, API Design, ASP.NET, Object-Relational Mapping, Databases, Query Languages, Back-End Web Development, Application Programming Interface (API), Restful API, SQL, Data Access, Data Manipulation, C# (Programming Language), .NET Framework, Server Side
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
★ 4.3 (31) · Intermediate · Guided Project · Less Than 2 Hours