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.

Packt
Skills you'll gain: Node.JS, JavaScript Frameworks, Restful API, Application Programming Interface (API), React.js, Authentications, OAuth, Server Side, Back-End Web Development, Databases, Cloud Hosting, User Interface (UI), Application Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Gemini, Generative AI, Prompt Engineering, Multimodal Prompts, LLM Application, Google Cloud Platform, Application Development, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Full-Stack Web Development, JavaScript Frameworks, Restful API, Front-End Web Development, Back-End Web Development, Spring Boot, Web Applications, User Interface (UI), UI Components, Application Programming Interface (API), Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Design, Restful API, Application Programming Interface (API), Test Automation, Data Mapping, Application Deployment, Cloud Deployment, Salesforce, Robotic Process Automation, Business Process Automation, Software Testing, Data Integration, API Testing, Architectural Design, Software Development Tools, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Test Automation, Test Script Development, Test Data, Test Case, JSON, API Testing, Scenario Testing, Mockups
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Jira (Software), Workflow Management, Report Writing, Scrum (Software Development), Sprint Retrospectives, Backlogs, Due Diligence, Dashboard, Return On Investment, Sprint Planning, Business Process Automation, Agile Methodology, Automation, Process Improvement, No-Code Development, Debugging, Configuration Management, Data-Driven Decision-Making, Stakeholder Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Unit Testing, Test Case, React.js, API Testing, Test Driven Development (TDD), Software Testing, Mockups, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: React.js, Performance Tuning, Frontend Performance, Front-End Web Development, Application Performance Management
Advanced · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Tool Calling, LLM Application, Multimodal Prompts, Prompt Patterns, Prompt Engineering, Large Language Modeling
Beginner · Project · Less Than 2 Hours

Skills you'll gain: API Testing, Restful API, Test Script Development, Authentications, JSON, Authorization (Computing), Test Case, Data Import/Export, Scenario Testing, Java
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, API Gateway, Scalability, Systems Architecture, Software Architecture, Data Management, Distributed Computing, Databases, API Design, Restful API, Software Design Patterns, NoSQL, GraphQL, Event-Driven Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Cloud API, Cloud Development, Application Deployment, Microsoft Azure, JSON, Cloud Applications, Serverless Computing, Application Programming Interface (API), Cloud Computing, C# (Programming Language), Restful API, Web Services, Data Storage
Intermediate · Guided Project · Less Than 2 Hours