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: Istio, Continuous Deployment, Cloud Deployment, Amazon Web Services, Software Design
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Role-Based Access Control (RBAC), Kubernetes, User Provisioning, Authorization (Computing), Identity and Access Management, User Accounts, Cloud-Native Computing, Cloud API, Security Testing, Containerization, Application Programming Interface (API), Cloud Engineering
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Cloud Infrastructure, Cloud Deployment, Kubernetes, Application Deployment, Site Reliability Engineering, Google App Engine, Google Cloud Platform, Microservices, Network Architecture, CI/CD, Service Level, Cloud Computing Architecture, Systems Design, Cloud Management, Cloud Security, Restful API, API Design, Network Planning And Design, Software Design, DevOps
★ 4.3 (7) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Relational Databases, Data Visualization, Data Store, Web Scraping, Database Management, Scatter Plots, Data Manipulation, SQL, JSON, Application Programming Interface (API), Python Programming, Extensible Markup Language (XML), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, JUnit, Integration Testing, Restful API, Development Testing, Software Testing, Test Tools, Web Services, Hibernate (Java), Business Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI, OpenAI API, Development Environment, DeepSeek API, Agentic Workflows, AI literacy, Application Development, Game Design, Agentic systems, Email Automation, Web Scraping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Plotly, Object Oriented Programming (OOP), Matplotlib, Pandas (Python Package), Plot (Graphics), Interactive Data Visualization, Data Visualization, Seaborn, Data Analysis, File I/O, Data Visualization Software, NumPy, Data Structures, Restful API, Python Programming, Application Programming Interface (API), Data Manipulation, Programming Principles, Computer Programming, Program Development
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Power Apps Component Framework, Application Lifecycle Management, Azure DevOps Pipelines, Microsoft Power Platform, Microsoft Power Automate/Flow, Azure DevOps, Microsoft Copilot, Enterprise Application Management, Email Automation, Application Deployment, Continuous Deployment, User Interface and User Experience (UI/UX) Design, UI Components, Postman API Platform, Microsoft Azure, Mobile Development, CI/CD, Application Programming Interface (API), TypeScript, Authentications
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: LLM Application, Model Deployment, Real Time Data, Large Language Modeling, Application Deployment, System Monitoring, Generative AI, Open Source Technology, Cross Platform Development, Application Programming Interface (API), Machine Learning
★ 2.7 (7) · Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Agentic systems, Retrieval-Augmented Generation, Vector Databases, Agentic Workflows, Generative AI Agents, MongoDB, Model Context Protocol, Scalability, Embeddings, AI Workflows, Node.JS, PostgreSQL, Data Integration, Database Management, API Design, Data Transformation, Data Structures, Data Storage
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Containerization, Kubernetes, Development Environment, Spring Boot, Application Deployment, DevOps, Microservices, YAML, Debugging, MongoDB, Restful API
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Development Testing, Software Testing, Test Automation, Test Tools, Test Planning, Test Case, Maintainability, Software Quality (SQA/SQC), Software Quality Assurance, API Design, Application Programming Interface (API), Event-Driven Programming, Mockups, Python Programming
Beginner · Course · 1 - 4 Weeks