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: Restful API, API Design, API Testing, Spring Boot, Test Automation, JSON, Software Quality (SQA/SQC), Application Programming Interface (API), Data Modeling, System Configuration, Java Programming, Application Development, Functional Testing, Java, Application Design, Configuration Management, Project Design, Data Persistence, Functional Design, System Design and Implementation
★ 4.9 (60) · Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: ChatGPT, OpenAI API, LLM Application, Large Language Modeling, Prompt Engineering, Prompt Patterns, AI Workflows, OpenAI, Generative AI Agents, Self Service Technologies, Jupyter
★ 4.7 (366) · Beginner · Project · Less Than 2 Hours

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

Google DeepMind
Skills you'll gain: Google Gemini, Gemini, Cloud API, Application Programming Interface (API), Real Time Data, Prompt Engineering, Large Language Modeling, Token Optimization, Tool Calling, LLM Application, AI Workflows, JSON, Generative AI, Data Integration, Development Environment, Python Programming, Key Management, Debugging
★ 4.1 (7) · 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

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Google Cloud Platform, Cloud Deployment, Web Services, Scalability, Data Management, Network Analysis
Beginner · Project · Less Than 2 Hours
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Data Validation, Restful API, API Testing, Application Frameworks, Performance Tuning, Data Integrity, Software Versioning, Django (Web Framework), Software Documentation, Middleware, Node.JS, Application Performance Management, Spring Boot, Test Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, .NET Framework, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), Web Development Tools, Restful API, Microsoft Azure, Web Applications, Application Frameworks, Application Development, Development Environment, Event-Driven Programming, Middleware, Software Installation
★ 2.6 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: JSON, Restful API, HTML and CSS, Web Design, Web Design and Development, Cloud API, Hypertext Markup Language (HTML), Web Development, Application Programming Interface (API), Cascading Style Sheets (CSS), Web Applications, Real Time Data, Javascript
★ 4.3 (49) · Intermediate · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Node.JS, Restful API, API Design, Server Side, Application Programming Interface (API), Back-End Web Development, Microsoft Visual Studio, Web Applications, Javascript, Application Development, Integrated Development Environments
★ 4.7 (6) · Intermediate · Guided Project · Less Than 2 Hours