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.

AI CERTs
Skills you'll gain: Vibe coding, No-Code Development, Full-Stack Web Development, AI Workflows, Debugging, Application Programming Interface (API), Artificial Intelligence, Application Design, Front-End Web Development, Back-End Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, Data Persistence, Data Store, Object Oriented Design, Database Application, Database Management, Real Time Data, Program Development, Package and Software Management, Computer Programming, Code Reusability, Data Management, Software Installation, Data Modeling
Intermediate · Specialization · 1 - 3 Months

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

Skills you'll gain: Back-End Web Development, Front-End Web Development, OpenAI API, Server Side, Full-Stack Web Development, Application Development, HTML and CSS, Generative AI, User Interface (UI) Design, Application Programming Interface (API), User Interface and User Experience (UI/UX) Design, Figma (Design Software), Cascading Style Sheets (CSS), AI Personalization, AI Integrations, Real Time Data
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Selenium (Software), Test Driven Development (TDD), Performance Stress Testing, API Testing, Unit Testing, Performance Testing, Application Programming Interface (API), User Interface (UI), Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Prompt Engineering, LLM Application, Large Language Modeling, Retrieval-Augmented Generation, Vector Databases, Tool Calling, Embeddings, OpenAI API, ChatGPT, Google Gemini, AI Workflows, Generative AI Agents, Token Optimization, Agentic Workflows
Beginner · Course · 1 - 4 Weeks

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

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

Tencent Cloud
Skills you'll gain: Cloud Computing Architecture, Cloud Solutions, Cloud Computing, Cloud Infrastructure, Solution Architecture, Serverless Computing, Cloud Services, Infrastructure Architecture, Network Architecture, Virtual Networking, Cloud Management, API Gateway, Scalability, Performance Tuning, Network Performance Management
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Frontend Integration, Enterprise Application Management, Application Deployment, Databases, Data Persistence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Frontend Integration, Continuous Integration, Restful API, Database Development, Docker (Software), Model View Controller, Front-End Web Development, Relational Databases, Databases, Web Design and Development, User Story, CI/CD, Java, Java Programming, Database Application, Full-Stack Web Development, Spring Boot, Back-End Web Development, Software Design Documents
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Management, Innovation, Digital Transformation, Cloud Infrastructure, Cloud Security, Google Cloud Platform, Business Transformation, Applied Machine Learning, Cloud Computing Architecture, Google App Engine, Cloud Solutions, Cloud Hosting, Cloud Platforms, Data Literacy, Big Data, Cloud API, Cost Management, Cloud Computing, Organizational Change, Organizational Development
Beginner · Specialization · 3 - 6 Months