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.

Scrimba
Skills you'll gain: JavaScript Frameworks, UI Components, Full-Stack Web Development, React.js, TypeScript, Front-End Web Development, Web Development, Web Applications, Frontend Performance, Server Side, User Interface and User Experience (UI/UX) Design, Software Development, Routing Protocols
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, JavaScript Frameworks, Restful API, Application Programming Interface (API), React.js, Authentications, OAuth, Server Side, Back-End Web Development, Databases, Cloud Hosting, User Interface (UI), Application Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Django (Web Framework), Restful API, Object-Relational Mapping, Bootstrap (Front-End Framework), Application Deployment, HTML and CSS, Model View Controller, Database Management, Web Development, User Accounts, Responsive Web Design, Back-End Web Development, Python Programming
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Java, Algorithms, Application Programming Interface (API), Data Structures
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: AWS Identity and Access Management (IAM), Linux Administration, Amazon Elastic Compute Cloud, Linux Servers, Cloud Deployment, Cloud Infrastructure, Amazon Web Services, Cloud Hosting, Cloud Computing, Front-End Web Development, Cloud Management, Linux, Ubuntu, Operating System Administration, Application Deployment, React.js, Event-Driven Programming, Javascript, User Interface (UI), Apache
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Performance Tuning, Software Testing, Unit Testing, Software Documentation, Application Programming Interface (API), Web Applications, Test Driven Development (TDD), Node.JS, Debugging, Maintainability, Javascript, Software Architecture, JSON, Real Time Data, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Cloud Development, Application Deployment, Microsoft Azure, JSON, Cloud Applications, Serverless Computing, Application Programming Interface (API), Cloud Computing, C# (Programming Language), Restful API, Web Services, Cloud Storage
Intermediate · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: LLM Application, Google Gemini, Test Case, Code Review, Software Documentation, Prompt Engineering, Debugging
Beginner · Project · Less Than 2 Hours

Skills you'll gain: LangChain, Development Environment, Agentic systems, AI Workflows, Artificial Intelligence, Tool Calling, LLM Application, Database Systems, Database Management, SQL, Database Application, OpenAI API, Software Development Tools, Prompt Engineering
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Query Languages, Data Analysis, Software Installation, Performance Tuning, Distributed Computing, Scalability, Data Modeling, Cloud Deployment
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Big Data, Google Cloud Platform, Google Sheets, Data Visualization, Spreadsheet Software, Analytics, Scripting, Data Presentation, Google Workspace, Cloud API, Data Compilation
Intermediate · Project · Less Than 2 Hours