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.

Board Infinity
Skills you'll gain: Middleware, Node.JS, Model View Controller, Development Environment, Application Frameworks, Application Development, Restful API, TypeScript, Web Applications, Web Development Tools, Application Programming Interface (API), Server Side, Network Routing, Javascript, Android Development, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: C++ (Programming Language), API Design, Software Architecture, Software Design, Maintainability, Data Structures, Generative AI Agents, Data Validation, Performance Tuning, Application Frameworks, Verification And Validation, Algorithms, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, Data Mapping, Scalability, Information Architecture, Data Management, Data Structures, Query Languages, JSON, Data Import/Export, Big Data
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Orchestration, LLM Application, AI Workflows, OpenAI API, Tool Calling, Retrieval-Augmented Generation, Prompt Engineering, Agentic systems, Data Pipelines
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Test Driven Development (TDD), Debugging, Software Testing, Performance Testing, Unit Testing, API Testing, Test Case, Test Automation, Acceptance Testing, Regression Testing, Testability, Integration Testing, .NET Framework, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Software-Defined Networking, YAML, Network Architecture, Network Protocols, Network Routing, Computer Networking, Data Modeling, Extensible Markup Language (XML), JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Business Process Automation, Generative AI, AI Workflows, Automation, OpenAI, Multimodal Prompts, Slack (Software), AI Personalization, Human Resources, Performance Metric, Key Performance Indicators (KPIs), Real Time Data, Google Sheets, Application Programming Interface (API), Scalability
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Debugging, Version Control, C# (Programming Language), Microsoft Copilot, Event-Driven Programming, Git (Version Control System), Object Oriented Programming (OOP), .NET Framework, Software Design Patterns, Software Architecture, Application Deployment, Microsoft Visual Studio, Software Testing, ASP.NET, Application Development, Software Design, Secure Coding, Postman API Platform, Software Development Tools, AI Workflows
Beginner · Professional Certificate · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud Security, Serverless Computing, Cloud Management, Application Programming Interface (API), Artificial Intelligence and Machine Learning (AI/ML), Containerization, Encryption, Google Cloud Platform, Cloud Computing, Site Reliability Engineering, Digital Transformation, Google App Engine, Real Time Data, Cloud Infrastructure, Data Security, Data Governance, Public Cloud, Data Warehousing, Data Management, Responsible AI
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Application Deployment, Cloud Deployment, API Gateway, Cloud API, Application Programming Interface (API), Virtual Environment, Multi-Tenant Cloud Environments, Google Cloud Platform
Beginner · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, Unit Testing, Restful API, Application Deployment, Full-Stack Web Development, Application Development, Software Architecture, UI Components, Data Modeling, Database Development, Development Environment, Data Validation
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Analysis, Matplotlib, Regression Analysis, Statistical Modeling, Data Science, Data Analysis, Data Visualization, Pandas (Python Package), Anomaly Detection, Time Series Analysis and Forecasting, Data Visualization Software, Data Collection, Data Manipulation, Application Programming Interface (API)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks