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: Google Gemini, Gemini, Generative AI, Google Cloud Platform, Multimodal Prompts, LLM Application, Prompt Engineering, Application Programming Interface (API), Cloud-Based Integration, Model Evaluation, Application Development
★ 4.7 (11) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: PHP (Scripting Language), Model View Controller, Restful API, Secure Coding, Web Development, Object-Relational Mapping, Web Applications, Full-Stack Web Development, Development Environment, Software Testing, Development Testing, Back-End Web Development, Security Controls, API Design, Application Frameworks, Database Management, Web Frameworks, Application Programming Interface (API), Application Security, Database Development
★ 4.2 (10) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Loss Prevention, Personally Identifiable Information, Information Privacy, JSON, Data Access, Data Security, Cloud Security, Cloud API, Google Cloud Platform, Cloud Storage
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Docker (Software), Containerization, Microservices, ASP.NET, Software Architecture, .NET Framework, Microsoft Visual Studio, Cloud-Native Computing, Restful API, C# (Programming Language), Software Development, Software Design Patterns, Scalability, Maintainability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Documentation, Generative AI, Test Automation, Design Software, Mockups, User Interface (UI), Software Development Tools, User Interface and User Experience (UI/UX) Design, Software Testing, AI Security, AI Workflows, Application Security, Maintainability, Prompt Engineering, Test Case, Software Architecture, Code Review, Secure Coding, Artificial Intelligence, Debugging
★ 4 (21) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Postman API Platform, Personalized Campaigns, API Testing, Marketing Automation, Content Management Systems, Application Programming Interface (API), Drupal, Restful API, Data Mapping, Workflow Management, Data Integration, Security Controls, Compliance Management, Data Security
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Development, Cloud Applications, Cloud API, Google Cloud Platform, Cloud Deployment, API Gateway, Application Deployment, Application Programming Interface (API), Cloud Management, Data Management
Beginner · Project · Less Than 2 Hours

Scrimba
Skills you'll gain: JavaScript Frameworks, UI Components, Full-Stack Web Development, React.js, TypeScript, Code Reusability, Front-End Web Development, Web Development, Web Applications, Frontend Performance, Server Side, User Interface and User Experience (UI/UX) Design, Software Development, File Systems
★ 4.8 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), Data Persistence, JSON, Data Store, UI Components, User Interface (UI), Operational Databases, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Database Application, Databases, Debugging, Application Development, Data Access, Mobile Development, Program Development, Cloud API, Application Programming Interface (API), Context Management, Data Mapping
★ 5 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LLM Application, Tool Calling, Large Language Modeling, Retrieval-Augmented Generation, Command-Line Interface, Embeddings, Python Programming, Application Development, Vector Databases, User Interface (UI), Software Installation, Restful API, Development Environment
★ 4 (7) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, OpenAI API, AI Orchestration, Agentic Workflows, AI Integrations, Command-Line Interface, AI Workflows, Agentic systems, API Testing, Rust (Programming Language), Key Management, AI Security, Software Technical Review
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Algorithms, Application Programming Interface (API), Data Structures
Intermediate · Guided Project · Less Than 2 Hours