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.

Google Cloud
Skills you'll gain: Cloud Security, Data Strategy, Cloud Management, Cloud Solutions, Data Lakes, Digital Transformation, Responsible AI, Site Reliability Engineering, Data Warehousing, Google Cloud Platform, Cloud Infrastructure, Data Management, Data Storage, Cloud Platforms, Scalability, Data Security, Hybrid Cloud Computing, Cloud API, IT Security Architecture, AI Enablement
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Google App Engine, Microservices, Cloud Applications, Kubernetes, Service Level, Cloud Deployment, Infrastructure As A Service (IaaS), Terraform, Cloud Computing, API Design, Cloud Services, Cloud Management, Restful API, Cloud Storage, Cloud Computing Architecture, Cloud-Native Computing, Service Level Agreement
Intermediate · Specialization · 3 - 6 Months

SkillUp
Skills you'll gain: Hibernate (Java), Object-Relational Mapping, Spring Boot, Restful API, Java, NoSQL, Database Development, Spring Framework, SQL, Database Systems, Databases, Database Design, Application Frameworks, Java Programming, Data Access, Database Management, Relational Databases, Back-End Web Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Java Programming, Agentic systems, Agentic Workflows, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Large Language Modeling, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: JUnit, Unit Testing, IntelliJ IDEA, Apache Maven, Software Testing, Test Case, Java Programming, Integrated Development Environments, Test Automation, Java, Build Tools, Software Architecture
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Data Validation, Javascript, Event-Driven Programming, Application Programming Interface (API), Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Application Programming Interface (API), Code Reusability, Software Design Patterns, Data Management, Data Structures, Web Development, Computational Logic, Programming Principles, Data Import/Export, Software Development, Software Engineering, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Agentic systems, Generative AI Agents, Anthropic Claude, AI Integrations, Tool Calling, LLM Application, Generative AI, Automation, Scalability, Application Programming Interface (API), Servers, Python Programming
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Java, Transaction Processing, File I/O, Java Programming, Data Access, Object Oriented Design, Dataflow, Data Persistence, Database Management, Stored Procedure, SQL, Application Development, Information Management, Command-Line Interface, Application Deployment, Data Integrity, Data Import/Export, OS Process Management, Application Programming Interface (API), Mitigation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Generative AI, Generative Model Architectures, Large Language Modeling, LLM Application, Generative Adversarial Networks (GANs), Retrieval-Augmented Generation, OpenAI, Hugging Face, OpenAI API, Multimodal Prompts, Responsible AI, AI Security, Autoencoders, Model Deployment, Fine-tuning, Application Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Frontend Integration, Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Spring Framework, Object-Relational Mapping, Web Services, JavaScript Frameworks, Front-End Web Development, YAML, Web Applications, Back-End Web Development, Data Access, Database Application, User Interface (UI), Context Management, Application Programming Interface (API), Databases
Intermediate · Specialization · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Unified Modeling Language, Software Design Patterns, Software Testing, Java, Software Engineering, Java Programming, User Interface and User Experience (UI/UX) Design, Unit Testing, Software Design, Software Architecture, API Design, Model View Controller, Software Development, Test Driven Development (TDD), Programming Principles, Conceptual Design, Databases
Intermediate · Specialization · 3 - 6 Months