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: JUnit, Apache Maven, Model View Controller, Unit Testing, Spring Boot, Restful API, Software Testing, Object-Relational Mapping, Java, Full-Stack Web Development, Back-End Web Development, Integration Testing, Web Applications, Front-End Web Development, Data Store, Application Security
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Routing Protocols, Software Design Patterns, Maintainability, Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Full-Stack Web Development, Front-End Web Development, Server Side, Application Deployment, Back-End Web Development, JavaScript Frameworks, Web Applications, UI Components, Authentications, User Accounts, Database Development, User Interface (UI), Payment Systems, Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cloud-Native Computing, Cloud Applications, Application Design, Google Cloud Platform, Data Store, Cloud API, Application Development, Cloud Storage, Software Development, Cloud Services, Data Storage, Microservices, Development Environment, Node.JS
Intermediate · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Web Development, Browser Compatibility, Semantic Web, Web Content Accessibility Guidelines, Object Oriented Programming (OOP), Scalability
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Node.JS, Role-Based Access Control (RBAC), TypeScript, Authentications, Server Side, Jest (JavaScript Testing Framework), Back-End Web Development, MongoDB, Web Development Tools, Web Applications, Unit Testing, Web Development, Database Management, Secure Coding, Application Programming Interface (API), Middleware, NoSQL, Javascript and jQuery, Development Environment, Data Validation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Application Lifecycle Management, Microsoft Power Platform, Microsoft Power Automate/Flow, Azure DevOps, Microsoft Copilot, Email Automation, Application Deployment, Continuous Deployment, User Interface and User Experience (UI/UX) Design, UI Components, Postman API Platform, Microsoft Azure, Microsoft Development Tools, DevOps, Mobile Development, CI/CD, UI/UX Strategy, Cloud-Based Integration, Application Programming Interface (API), TypeScript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Secure Coding, Application Security, Security Engineering, Software Design Patterns, Web Applications, Application Programming Interface (API), Vulnerability Assessments, Debugging, Transaction Processing, System Programming, Scalability
Intermediate · Course · 1 - 4 Weeks
Rutgers the State University of New Jersey
Skills you'll gain: Prompt Engineering, Scalability, Large Language Modeling, Governmental Accounting, Unstructured Data, LLM Application, Financial Data, Generative AI, Accounting, Artificial Intelligence, Robotic Process Automation, Financial Reporting, Automation, Application Programming Interface (API), User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Software As A Service, Distributed Computing, Service Oriented Architecture, Cloud Computing Architecture
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Node.JS, Back-End Web Development, User Accounts, Server Side, Swift Programming, Full-Stack Web Development, Real Time Data, Apple iOS, Web Applications, Restful API, Authentications, Data Management, JSON, UI Components, User Interface (UI), Data Security, Debugging
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Applications, Cloud Hosting, Restful API, Cloud Infrastructure, Authentications, Application Programming Interface (API), Web Development, Serverless Computing, Virtual Machines, Authorization (Computing), Microsoft SQL Servers, Network Routing, Virtualization, Web Content
Intermediate · Course · 1 - 3 Months