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.

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Integration, Data Manipulation, Data Transformation, Relational Databases, Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud API, Natural Language Processing, Google Cloud Platform, Text Mining, Image Analysis, Cloud-Based Integration, Computer Vision, Network Analysis, Web Design
Advanced · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), API Design, JSON, Web Applications, Software Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, API Design, Google App Engine, Restful API, Cloud Computing Architecture, Service Level Agreement, Kubernetes, CI/CD, Google Cloud Platform, Application Design, Application Deployment, Site Reliability Engineering, Cloud Security, DevOps, Hybrid Cloud Computing, Network Architecture, Cloud Storage, Key Performance Indicators (KPIs), Service Design, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React Redux, React.js, Back-End Web Development, Front-End Web Development, UI Components, Web Applications, Application Programming Interface (API), JavaScript Frameworks, Web Design and Development, Authentications, Responsive Web Design, Restful API, User Interface (UI), User Accounts
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Vector Databases, Retrieval-Augmented Generation, Model Evaluation, Hugging Face, Generative AI, Dimensionality Reduction, Natural Language Processing, OpenAI API, Data Preprocessing, Embeddings, Classification Algorithms, Large Language Modeling, OpenAI, Text Mining, Applied Machine Learning, LLM Application, Statistical Machine Learning, Data Processing, Multilingualism
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, Scalability, Authentications, JSON, Authorization (Computing), Web Development Tools, Web Applications, Web Development, Server Side, Back-End Web Development, Application Frameworks, Javascript, Restful API, Development Environment, Operating Systems, Email Automation, Microsoft Visual Studio
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Risk Management Framework, Secure Coding, Software Testing, DevSecOps, Software Development Life Cycle, Web Applications, Vulnerability Scanning, Software Development Methodologies, Application Programming Interface (API), Database Application, Software Architecture, Agile Methodology
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Docker (Software), Kubernetes, Cloud-Native Computing, Prometheus (Software), CI/CD, DevOps, Grafana, Microservices, Scalability, Application Programming Interface (API), Role-Based Access Control (RBAC)
Beginner · Course · 1 - 3 Months

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
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Applications, Authentications, Google Cloud Platform, Cloud API, Web Applications, User Accounts, Web Development Tools, Web Development, Network Security
Intermediate · Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Spring Framework, Java, Spring Boot, Java Programming, Hibernate (Java), Web Development, Web Servers, Web Components, Servers, Databases
Intermediate · Course · 1 - 3 Months