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.

LearnKartS
Skills you'll gain: Agentic Workflows, Tool Calling, Agentic systems, AI Workflows, Google Gemini, AI Orchestration, Server Side, Gemini, Generative AI Agents, AI Integrations, Back-End Web Development, LLM Application, OpenAI API, Node.JS, Large Language Modeling, Web Development, PostgreSQL, Data Processing, Data Modeling, Javascript
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Serverless Computing, Application Deployment, Cloud Deployment, Cloud Applications, Cloud API, Google Cloud Platform, Cloud Storage, Cloud Services, File Management, Data Migration, Document Management
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: MySQL, Google Cloud Platform, Data Mining, Microsoft SQL Servers, Cloud API, PostgreSQL, Metadata Management, Cloud Management
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Cloud Security, Innovation, Digital Transformation, Cloud Management, Cloud Infrastructure, Google Cloud Platform, Business Transformation, Applied Machine Learning, Cloud Computing Architecture, Google App Engine, Cloud Solutions, Site Reliability Engineering, Cloud Platforms, Data Literacy, Big Data, Cloud API, Cost Management, Cloud Computing, Organizational Change, Organizational Development
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, LLM Application, LangChain, Large Language Modeling, Vector Databases, Model Deployment, OpenAI API, Hugging Face, OpenAI, Scalability, AI Integrations, Embeddings, Generative AI, Application Deployment, Data Integration, Data Science, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, .NET Framework, JavaScript Frameworks, Frontend Integration, API Design, Application Programming Interface (API), Secure Coding, Middleware, React.js, Application Frameworks, Object-Relational Mapping, Model View Controller, Web Applications, Web Development, JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Cascading Style Sheets (CSS), UI Components, Event-Driven Programming, User Experience Design, User Interface (UI), Application Programming Interface (API), Front-End Web Development, Data Management, JavaScript Frameworks, Javascript, Web Development
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, NoSQL, Query Languages
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Cloud Development, Google Cloud Platform, Cloud Applications, Microservices, Virtual Machines, Cloud Deployment, Application Deployment, Infrastructure As A Service (IaaS), Kubernetes, API Design, Load Balancing, Virtual Networking, Google App Engine, Cloud Management, Cloud Platforms, CI/CD, Terraform, Data Storage Technologies
Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Application Programming Interface (API), Object Oriented Programming (OOP), API Design, .NET Framework, Object Oriented Design, C++ (Programming Language), Video Game Development, ASP.NET, Object-Relational Mapping, Web Services, Back-End Web Development, Database Application, Application Development, Software Design Patterns, Database Management, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, .NET Framework, Software Design Patterns, Software Design, Maintainability, Software Architecture, Object Oriented Design, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), UI Components, API Design, Application Frameworks, Restful API, Development Testing, User Interface (UI), Object-Relational Mapping, Debugging, Unit Testing, Web Design and Development
Intermediate · Course · 1 - 3 Months