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: API Design, Restful API, Application Programming Interface (API), Application Deployment, Spring Boot, Spring Framework, Object Oriented Design, Back-End Web Development, Data Modeling, Software Architecture, Object-Relational Mapping, System Configuration, Model View Controller, Application Frameworks, Server Side, Web Applications, Data Persistence, Object Oriented Programming (OOP), Business Logic
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, Frontend Integration, Authentications, Front-End Web Development, Authorization (Computing), Application Programming Interface (API), Secure Coding, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, JSON, Test Automation, Test Script Development, Application Programming Interface (API), Restful API, Software Testing, Test Tools, Integration Testing, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: OpenAI API, Fine-tuning, Prompt Engineering, OpenAI, Large Language Modeling, ChatGPT, Multimodal Prompts, Application Performance Management, Generative Model Architectures, Generative AI, LLM Application, Image Analysis, Photo Editing, Token Optimization, Application Programming Interface (API), Animations, Tool Calling, File Management, Python Programming, Computer Science
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Import/Export, Health Informatics, Cloud API, Google Cloud Platform, Health Information Management, Data Store, Health Technology, Cloud-Based Integration, Medical Imaging, Cloud Computing, Application Programming Interface (API), Data Modeling
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: API Gateway, Cloud Deployment, Cloud Development, Restful API, Application Programming Interface (API), Cloud Applications, Application Deployment, API Design, Go (Programming Language), Software Development, Google Cloud Platform, Personally Identifiable Information, Data Access, DevOps, Database Application, Data Management
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Cloud API, Google Cloud Platform, Natural Language Processing, API Testing, Cloud Applications, JSON, Communication
Beginner · Project · Less Than 2 Hours

Scrimba
Skills you'll gain: OpenAI API, OpenAI, AI Workflows, LLM Application, AI Integrations, Generative AI Agents, AI Personalization, Agentic Workflows, Application Programming Interface (API), Performance Testing, Artificial Intelligence, Context Management, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, API Design, API Testing, Java Programming, Java, Mobile Development, Apache Maven, Application Development, Data Access, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud API, Health Informatics, Data Import/Export, Data Mapping, Clinical Data Management, Health Care, Health Information Management, Data Store, Web Development
Intermediate · Project · Less Than 2 Hours

Coursera
Skills you'll gain: API Testing, Application Programming Interface (API), Test Tools, Behavior-Driven Development, Test Automation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Redis, Restful API, ASP.NET, .NET Framework, Application Programming Interface (API), Object-Relational Mapping, API Design, PostgreSQL, Middleware, Maintainability, Software Architecture, Software Design Patterns, Distributed Computing, Data Validation
Intermediate · Course · 1 - 3 Months