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.

Coursera
Skills you'll gain: Model Context Protocol, AI Security, Scalability, Software Architecture, Servers, Interoperability, System Design and Implementation, API Design, Enterprise Security, Real Time Data, Performance Tuning
Advanced · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Spring Framework, Java, Spring Boot, Java Programming, Hibernate (Java), Web Development, Web Servers, Web Components, Servers, Databases
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Orchestration, LLM Application, AI Workflows, OpenAI API, Tool Calling, Retrieval-Augmented Generation, Prompt Engineering, Agentic systems, Data Pipelines
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Serverless Computing, Application Deployment, Cloud API, Google Cloud Platform, Cloud Storage, Application Programming Interface (API), Cloud Services, File Management, Data Migration
Intermediate · Project · Less Than 2 Hours
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Gateway, Microservices, Restful API, Node.JS, Application Programming Interface (API), Software Architecture, Systems Architecture, Service Oriented Architecture, Software Development, Software Engineering, Back-End Web Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Jest (JavaScript Testing Framework), JavaScript Frameworks, Front-End Web Development, Unit Testing, UI Components, Web Development Tools, Ajax, Javascript, User Interface (UI), Software Testing, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), API Design, JSON, Web Applications, Software Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud API, Natural Language Processing, Google Cloud Platform, Text Mining, Image Analysis, Cloud-Based Integration, Computer Vision, Network Analysis, Web Design
Advanced · Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Debugging, Version Control, C# (Programming Language), Microsoft Copilot, Event-Driven Programming, Git (Version Control System), Object Oriented Programming (OOP), .NET Framework, Software Design Patterns, Software Architecture, Application Deployment, Microsoft Visual Studio, Software Testing, Application Development, Software Design, User Interface (UI), Secure Coding, Postman API Platform, Software Development Tools, AI Workflows
Beginner · Professional Certificate · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Software-Defined Networking, YAML, Network Architecture, Network Protocols, Network Routing, Computer Networking, Data Modeling, Extensible Markup Language (XML), JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, Cloud Deployment, Web Design, Database Systems, Front-End Web Development, Application Programming Interface (API), Full-Stack Web Development, Amazon Web Services, Cloud Computing, Authentications, Development Environment, Web Applications, Frontend Performance, Continuous Deployment, Continuous Integration, JavaScript Frameworks, Web Development, Web Servers, Usability, Mobile Development
Advanced · Specialization · 1 - 3 Months