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: Cloud Deployment, Cloud Applications, Software Testing, Web Development, Application Development, Real Time Data, Application Programming Interface (API), Authentications, Context Management
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, Web Content Accessibility Guidelines, Game Design, Front-End Web Development, Application Programming Interface (API), User Interface (UI), Web Components, Usability, JavaScript Frameworks, Web Development Tools, Web Frameworks, Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Full-Stack Web Development, Restful API, .NET Framework, UI Components, Back-End Web Development, Object-Relational Mapping, Application Frameworks, Model View Controller, User Interface (UI), Data Modeling, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Cloud Development, Cloud Applications, Continuous Integration, Cloud Hosting, Amazon Web Services, Cloud Infrastructure, Continuous Deployment, AWS Identity and Access Management (IAM), Cloud Services, Amazon CloudWatch, Authentications, Infrastructure as Code (IaC), Development Environment, AWS Kinesis, Software Development Tools, Cloud Deployment, Cloud Storage, Frontend Performance, Database Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: JSON, jQuery, Browser Compatibility, Event-Driven Programming, UI Components
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Functional Design, Performance Tuning, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: CI/CD, Hugging Face, Continuous Deployment, Model Evaluation, Applied Machine Learning, Continuous Integration, Transfer Learning, Data Preprocessing, Model Deployment, Large Language Modeling, Data Pipelines, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Maintainability, Code Review, Test Driven Development (TDD), API Testing, LLM Application, API Design, Microsoft Visual Studio, Software Engineering, Engineering Software, Software Technical Review, Program Development, Application Lifecycle Management, Unit Testing, Microservices, Peer Review, Quality Assessment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, React Native, React.js, Application Development, Scalability, Data Validation, UI Components, Web Applications, Mobile Development, Data Persistence, Business Logic, Application Design, Front-End Web Development, Authentications, User Interface (UI), User Experience Design, Software Design, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Node.JS
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Applications, Cloud Development, Application Development, Google Cloud Platform, API Gateway, Application Programming Interface (API), Cloud API, Serverless Computing, Authentications, Identity and Access Management, Secure Coding, Node.JS, Event-Driven Programming, Back-End Web Development, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

H2O.ai
Skills you'll gain: Retrieval-Augmented Generation, Large Language Modeling, AI Enablement, Generative AI, Web Applications, Artificial Intelligence, Data Processing, Prompt Engineering, Agentic systems, Application Development, Application Programming Interface (API), Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JSON, Data Structures, Javascript, Application Programming Interface (API), Computer Programming, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 4 Weeks