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 Testing, JSON, Test Automation, Test Script Development, Application Programming Interface (API), Restful API, Software Testing, Test Tools, Integration Testing, Functional Testing
★ 4.6 (309) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Restful API, Postman API Platform, API Design, Application Programming Interface (API), .NET Framework, API Testing, Authentications, Object-Relational Mapping, Development Environment, Microsoft Visual Studio, Web Development Tools, Endpoint Security, Software Design Patterns, Data Mapping, Identity and Access Management, Data Validation
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Store, Cloud API, Health Information Management, Health Informatics, Application Programming Interface (API), Cloud Management, Health Care, Cloud-Based Integration, Cloud Computing, Clinical Data Management, Health Technology
Beginner · 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

Skills you'll gain: Ajax, jQuery, JSON, Javascript and jQuery, Debugging, Application Programming Interface (API), Web Applications, Javascript, Video Game Development, Program Development, UI Components, HTML and CSS, Cascading Style Sheets (CSS), Development Environment, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
★ 4.3 (31) · Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Capacity Management, Kubernetes, Istio, Google Cloud Platform, Application Security, Scalability, Hybrid Cloud Computing, Security Controls, Apache Cassandra, Proxy Servers, Data Security, Application Deployment, Role-Based Access Control (RBAC), Public Key Infrastructure, YAML, Debugging
★ 4.5 (17) · Beginner · Course · 1 - 3 Months

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
★ 4.5 (25) · Intermediate · Course · 1 - 4 Weeks

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

Google Cloud
Skills you'll gain: Cloud API, Google Cloud Platform, Data Store, Medical Privacy, Application Programming Interface (API), Health Informatics, Health Information Management and Medical Records, Health Information Management, Health Technology, Data Import/Export, Cloud Computing, Data Security, Medical Imaging
★ 4.3 (6) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Natural Language Processing, Text Mining, Google Cloud Platform, Cloud API, Unstructured Data, Network Analysis, Analysis
★ 4.3 (7) · Beginner · Project · Less Than 2 Hours

★ 5 (18) · Intermediate · Course · 1 - 4 Weeks