RESTful API courses can help you learn how to design, implement, and consume APIs, as well as understand HTTP methods, status codes, and data formats like JSON and XML. You can build skills in authentication techniques, error handling, and versioning strategies to ensure robust API functionality. Many courses introduce tools such as Postman for testing APIs and Swagger for documentation, that support streamlining the development process and enhancing collaboration among teams.

Skills you'll gain: Angular, Frontend Integration, Restful API, Application Programming Interface (API), Data Validation, API Design, Front-End Web Development, Web Frameworks, Web Applications, Frontend Performance, TypeScript, Business Logic, UI Components, Application Design, Usability, HTML and CSS, Web Servers, Responsive Web Design, Software Design, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Git (Version Control System), Restful API, ASP.NET, API Design, .NET Framework, API Testing, Application Programming Interface (API), Database Development, Back-End Web Development, Database Management, Databases, Development Environment, Database Design, Integrated Development Environments, C# (Programming Language)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, GraphQL, .NET Framework, Application Programming Interface (API), API Design, Serverless Computing, Microsoft Azure, Performance Tuning, Web Services, Software Documentation, Scalability, Back-End Web Development, Web Applications, Full-Stack Web Development, Middleware, Application Development, Real Time Data, Application Deployment
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: API Design, API Gateway, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Data Validation, Authentications, OAuth, Cloud API, Microservices, Application Deployment, CI/CD, Authorization (Computing), Application Frameworks, Performance Tuning, Application Lifecycle Management, Test Automation, Prometheus (Software), Grafana
★ 3.7 (18) · Intermediate · Specialization · 1 - 3 Months

Sage Publications
Skills you'll gain: JSON, Application Programming Interface (API), Postman API Platform, API Testing, Data Preprocessing, Technical Documentation, Data Validation, Data Transformation, Data Collection, Data Access, Data Processing, Data Cleansing, Authentications
Intermediate · Course · 1 - 3 Months

Sage Publications
Skills you'll gain: Application Programming Interface (API), Data Ethics, Research, Research Design, Data Access, Data Collection
Beginner · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, Application Programming Interface (API), API Design, API Testing, Cloud Deployment, .NET Framework, Microsoft Azure, Application Deployment, Performance Tuning, Maintainability, Software Documentation, Flask (Web Framework), Scalability, Software Versioning, System Monitoring, Debugging
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Data Persistence, API Design, API Testing, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), API Testing, Behavior-Driven Development, JSON, Restful API, Application Programming Interface (API), Test Case, Security Testing, Test Automation, Authentications, Test Data, Development Testing, Java Programming, Authorization (Computing), Scenario Testing, Java, Software Testing, Test Tools, Maintainability, Data Validation
★ 4.9 (47) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, API Design, Application Programming Interface (API), Google Cloud Platform, Software Documentation, Application Development, Application Deployment, Debugging
★ 4.7 (2.4K) · Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Application Deployment, CI/CD, Application Lifecycle Management, Test Automation, Software Documentation
★ 3.9 (15) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Postman API Platform, API Testing, Data Validation, Application Programming Interface (API), Verification And Validation, Performance Tuning, Microservices, Security Controls, Data Integrity, Authentications
★ 4.4 (23) · Intermediate · Course · 1 - 4 Weeks