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: Retrieval-Augmented Generation, OpenAI API, LLM Application, Prompt Engineering, Model Deployment, Back-End Web Development, Restful API, Application Programming Interface (API), Web Development, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Data Warehousing, Big Data, Databases, Business Analytics, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, Web Services, JSON, Model View Controller, Web Applications, Back-End Web Development, API Design, Application Programming Interface (API), Server Side, Extensible Markup Language (XML), Application Security, Object-Relational Mapping, Middleware
Intermediate · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Retrieval-Augmented Generation, AI Product Strategy, Independent Thinking, Productivity Software, Generative AI, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Responsible AI, Business Communication, Emotional Intelligence, Productivity, Operational Efficiency, Administration, Business Operations, Planning, Project Planning, Business Planning, Project Management, Business Administration, Business
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: LangGraph, Generative AI Agents, Agentic systems, AI Workflows, OpenAI API, LLM Application, Artificial Intelligence, User Interface (UI), Prompt Engineering, Natural Language Processing, Python Programming, Context Management
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Spring Boot, Kubernetes, Configuration Management, Containerization, Scalability, Software Documentation, Application Deployment, Cloud Deployment, Java, Spring Framework, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), Secure Coding, Java Programming, React.js
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cloud API, Google Cloud Platform, Text Mining, Application Programming Interface (API), LLM Application, Generative AI, Natural Language Processing, Jupyter, Python Programming, Classification Algorithms
Intermediate · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Email Automation, Marketing Automation, OpenAI API, Business Process Automation, AI Workflows, ChatGPT, Automation, Performance Tuning, Workflow Management, Generative AI, Scalability, Process Optimization, Operational Efficiency, Real Time Data, Social Media Content, Application Programming Interface (API), Content Creation
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Java Platform Enterprise Edition (J2EE), Databases, Data Persistence, Java, Data Manipulation, Data Mapping, Java Programming, JUnit, Object Oriented Programming (OOP), Query Languages, Database Management, Data Integrity, Database Systems, Enterprise Application Management
Beginner · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Code Review, Program Development, Programming Principles, Computer Programming, Test Driven Development (TDD), UI Components, Debugging, User Interface (UI), Web Applications, Application Development, Software Development Tools, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Case, API Testing, Test Script Development, Continuous Integration, Software Testing, Development Environment, Web Development Tools
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Penetration Testing, Security Testing, Cybersecurity, Open Web Application Security Project (OWASP), Cyber Attacks, Cyber Security Assessment, Network Security, Information Systems Security, Cyber Risk, Network Monitoring, Linux Commands
Beginner · Course · 1 - 4 Weeks