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.

Coursera
Skills you'll gain: API Testing, Software Documentation, API Design, Application Programming Interface (API), Technical Documentation, Restful API, JSON, Software Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Application Programming Interface (API), API Design, Node.JS, API Testing, Restful API, Authentications, Back-End Web Development, Server Side, Frontend Integration, User Accounts, PostgreSQL, Data Validation, Database Development, Object-Relational Mapping, Authorization (Computing), TypeScript, Verification And Validation, Database Management
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, Continuous Deployment, CI/CD, Authorization (Computing), Application Frameworks, Performance Tuning, Application Lifecycle Management, Prometheus (Software), Grafana
Intermediate · Specialization · 1 - 3 Months

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

Skills you'll gain: Postman API Platform, API Testing, CI/CD, Application Programming Interface (API), Web Development Tools, Test Automation, Continuous Integration, AI Integrations, Test Script Development, Devops Tools, Key Management, Test Tools, Software Development Tools, Secure Coding, Automation, AI Security, AI Workflows, Debugging, Quality Assurance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), API Testing, Gherkin (Scripting Language), Behavior-Driven Development, JSON, Restful API, Apache Maven, Application Programming Interface (API), Test Tools, Test Planning, Test Case, Software Testing, Test Engineering, Test Script Development, Security Testing, Test Automation, Code Coverage, Authentications, Java Programming, Java
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, API Design, Application Deployment, Application Programming Interface (API), Authentications, Cloud API, API Testing, Cloud Deployment, Web Services, Web Frameworks, User Provisioning, Unit Testing, Continuous Deployment, User Accounts, Test Script Development, Email Automation, Debugging, Operational Databases, Test Tools, Continuous Integration
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: GitHub, Version Control, API Testing, Authentications, Software Versioning, Test Tools, Test Script Development, Test Case, Eclipse (Software), Verification And Validation, Extensible Markup Language (XML), Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Postman API Platform, Application Programming Interface (API), Software Testing, Restful API, Development Environment, Collaborative Software, Test Tools, Web Applications, Data Import/Export, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Authentications, OAuth, API Testing, Restful API, Application Programming Interface (API), JSON, Test Automation, Data Validation, Extensible Markup Language (XML), Test Script Development, Extensible Languages and XML, Virtualization, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, OAuth, Microservices, API Design, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Databases, MySQL Workbench, Server Side, Application Deployment, Javascript
Intermediate · Specialization · 3 - 6 Months