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: iOS Development, Apple iOS, Apple Xcode, Swift Programming, Mobile Development, Objective-C (Programming Language), Mobile Development Tools, User Interface (UI), Application Development, User Interface (UI) Design, UI Components, Development Environment, Integrated Development Environments, Simulations, Storyboarding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, Full-Stack Web Development, Email Automation, Front-End Web Development, HTML and CSS, User Interface (UI), Web Design, Code Reusability, Server Side, Java Programming, Email Marketing, MySQL, Program Development, Hypertext Markup Language (HTML), Software Architecture, Web Applications, Back-End Web Development, Development Testing, Cascading Style Sheets (CSS), Case Studies
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Unit Testing, TypeScript, Angular, Software Testing, Development Testing, Test Case, Frontend Performance, Software Design, UI Components, Application Programming Interface (API), Restful API, Application Deployment, Frontend Integration, Enterprise Architecture, User Interface (UI), Application Frameworks, JavaScript Frameworks, Scalability, Software Architecture, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Anthropic Claude, Prompt Engineering, Multimodal Prompts, Prompt Patterns, Tool Calling, LLM Application, Responsible AI, AI literacy, Agentic Workflows, Human Computer Interaction, Token Optimization, AI Workflows
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Data Validation, Web Applications, Scripting Languages, Web Development, Javascript and jQuery, Hypertext Markup Language (HTML), Middleware, Model View Controller, Javascript, Interoperability, Java, Cascading Style Sheets (CSS), Computer Graphic Techniques, Scalability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Cloud Computing Architecture, Google App Engine, Cloud Solutions, Cloud Hosting, Cloud Platforms, Cloud API, Application Programming Interface (API), Cloud-Native Computing, Cloud Computing, Cloud Applications, Infrastructure Architecture, Cloud Development, Hybrid Cloud Computing, Private Cloud, API Design, IT Infrastructure, Kubernetes, API Gateway
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Script Development, Unit Testing, Test Case, Development Testing, Test Tools, React.js, API Testing, Software Testing, Web Development Tools, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Android Jetpack, Mobile Development Tools, Extensible Markup Language (XML), Data Management, Application Programming Interface (API)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Back-End Web Development, Eclipse (Software), Authentications, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Continuous Deployment, Application Deployment, Cloud Deployment, Web Applications, UI Components, Javascript, Bootstrap (Front-End Framework), JavaScript Frameworks, Development Environment, User Interface (UI), Cascading Style Sheets (CSS), Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Frontend Integration, Data Access
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), React.js, React Redux, Cloud Deployment, Application Deployment, Software Testing, Web Development, Operational Databases, JavaScript Frameworks, Code Reusability, Software Architecture, Full-Stack Web Development, Context Management, Front-End Web Development, Real Time Data, Frontend Integration, Application Programming Interface (API), Event-Driven Programming, Frontend Performance, Development Environment
Beginner · Specialization · 3 - 6 Months