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.

Coursera
Skills you'll gain: Software Documentation, Engineering Documentation, Technical Documentation, Model Training, Technical Writing, Technical Communication
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: ChatGPT, OpenAI API, LLM Application, Prompt Engineering, AI Workflows, OpenAI
★ 4.7 (372) · Beginner · Project · Less Than 2 Hours

The Skill Valley
Skills you'll gain: API Gateway, Application Programming Interface (API), Transaction Processing, OAuth, API Design, API Testing, Payment Systems, Data Transformation, GraphQL, FinTech, Reliability, Banking, Banking Services, DevOps, Microservices, JSON, Data Migration, Mediation, Resilience, Design
Mixed · Course · 1 - 4 Weeks

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
★ 4.8 (61) · Beginner · Specialization · 1 - 3 Months

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

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 Deployment, Spring Boot, Test Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, Web Applications, Cascading Style Sheets (CSS), Application Programming Interface (API), Javascript, Software Development
Intermediate · Course · 1 - 4 Weeks
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Servers, JSON, Software Documentation, Javascript, Technical Documentation, Application Security
★ 3.8 (8) · 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
★ 4.8 (49) · Beginner · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: API Gateway, GraphQL, Application Programming Interface (API), API Design, Microservices, CI/CD, Restful API, Continuous Deployment, Node.JS, Application Performance Management, Application Deployment, Scalability, Authentications, Containerization, Query Languages, Kubernetes, Event-Driven Programming
Advanced · Course · 1 - 4 Weeks

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 DeepMind
Skills you'll gain: Google Gemini, Gemini, Application Programming Interface (API), Real Time Data, Tool Calling, LLM Application, JSON, Data Integration, Development Environment, Python Programming, Key Management, Debugging
★ 4.3 (8) · Intermediate · Course · 1 - 4 Weeks