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: TypeScript, Object Oriented Design, Node.JS, Role-Based Access Control (RBAC), Object Oriented Programming (OOP), Webpack, React Redux, Back-End Web Development, React.js, Full-Stack Web Development, Web Development, MongoDB, Front-End Web Development, Javascript, Application Programming Interface (API), Software Design Patterns, API Design, Programming Principles, Software Development, Debugging
★ 4.7 (6) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Selenium (Software), Test Driven Development (TDD), Performance Stress Testing, API Testing, Unit Testing, Performance Testing, Application Programming Interface (API), User Interface (UI), Javascript
★ 4.2 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Restful API, AI Integrations, Application Deployment, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Java, Development Environment, Image Analysis, Software Development, Computer Vision
★ 4.6 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Prompt Engineering, Large Language Modeling, OpenAI API, Hugging Face, Embeddings, AI Workflows, Development Environment, Generative AI Agents, Retrieval-Augmented Generation, Vector Databases, Python Programming, Agentic systems, Document Management, Application Development, Image Analysis
★ 4.8 (23) · Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: User Interface (UI), User Interface and User Experience (UI/UX) Design, Bootstrap (Front-End Framework), Web Design, Cascading Style Sheets (CSS), UI Components, Secure Coding, Full-Stack Web Development, Web Applications, Database Development, Frontend Integration, JavaScript Frameworks, Database Management, Hypertext Markup Language (HTML), Software Architecture, Development Environment, Software Testing, Development Testing, NoSQL, API Design
★ 4.1 (25) · Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: AI Workflows, Agentic Workflows, AI Orchestration, AI Security, AI Integrations, API Testing, System Testing, Test Script Development, Context Engineering, Context Management, Health Informatics, Health Technology, Performance Testing, Healthcare Ethics, Functional Testing, Business Logic, Patient Education And Counseling, Patient Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Data Visualization Software, Cloud Deployment, Data Visualization, Restful API, Data Mapping, Data Presentation, Interactive Data Visualization, Extract, Transform, Load, Dashboard Creation, Histogram, Data Store, Data Transformation, Amazon Web Services, Cloud Hosting, Scalability, Cloud Management, System Monitoring, Data Management, Query Languages
★ 4.4 (16) · Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Security, Real Time Data, Cloud Management, Digital Transformation, Serverless Computing, Google Cloud Platform, Cloud Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Cloud Solutions, Data Security, Application Programming Interface (API), Looker (Software), Model Training, Business Intelligence, Cloud Computing, Cost Management, Data Transformation, Containerization, Cybersecurity, Cloud Applications
★ 4.8 (41) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Django (Web Framework), Application Programming Interface (API), Restful API, Web Development, Program Development, Event-Driven Programming, Python Programming, GitHub
★ 4.9 (26) · Advanced · Course · 1 - 4 Weeks

Fortinet, Inc.
Skills you'll gain: Firewall, Network Security, Virtual Private Networks (VPN), Network Administration, IT Security Architecture, Intrusion Detection and Prevention, Network Infrastructure, Enterprise Security, Network Architecture, Infrastructure Security, Remote Access Systems, Security Controls, System Configuration, Security Software, Performance Tuning, Cybersecurity, API Gateway, Hardware Architecture, Malware Protection, Threat Detection
★ 4.4 (23) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Generative Model Architectures, Large Language Modeling, LLM Application, Generative Adversarial Networks (GANs), Retrieval-Augmented Generation, OpenAI, Hugging Face, OpenAI API, Multimodal Prompts, Responsible AI, AI Security, Autoencoders, Model Deployment, Fine-tuning, Application Deployment
★ 4.5 (10) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Frontend Integration, Full-Stack Web Development, IntelliJ IDEA, Spring Boot, Spring Framework, React.js, Restful API, Front-End Web Development, Back-End Web Development, Context Management, Web Applications, Application Frameworks, Development Environment, Command-Line Interface, Data Store
★ 4.8 (11) · Intermediate · Course · 1 - 4 Weeks