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: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Restful API, Core Data (Software), Security Controls, HTML and CSS, UI Components, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

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

Microsoft
Skills you'll gain: Retrieval-Augmented Generation, Agentic Workflows, AI Workflows, AI Orchestration, AI Integrations, Context Engineering, Regulatory Compliance, Responsible AI, Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Scalability, Authentications, JSON, Authorization (Computing), Web Development Tools, Web Applications, Web Development, Server Side, Secure Coding, JavaScript Frameworks, Back-End Web Development, Application Frameworks, Javascript, Restful API, Development Environment, Event-Driven Programming, Operating Systems, Email Automation, Integrated Development Environments
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google App Engine, Cloud Applications, Google Cloud Platform, Cloud Deployment, Application Deployment, Scalability, Cloud Hosting, Public Cloud, Platform As A Service (PaaS), Cloud API, Application Development, PHP (Scripting Language), Program Development
Beginner · 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, Web Applications, Object Oriented Design, Software Design Patterns, Software Architecture, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: File I/O, Memory Management, C and C++, C++ (Programming Language), Code Reusability, Vibe coding, API Design, Software Architecture, Software Design, Functional Design, Maintainability, Data Structures, AI literacy, AI Integrations, Data Validation, Performance Tuning, Secure Coding, Build Tools, Package and Software Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Integrations, Application Deployment, Application Programming Interface (API), System Monitoring, Continuous Monitoring, Performance Tuning, Model Optimization, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, AI Security, DevSecOps, Security Testing, Continuous Monitoring, CI/CD, Threat Detection, DevOps, Continuous Integration, Test Script Development, API Testing, Endpoint Security, Scripting, Unit Testing, Scripting Languages, Exploitation techniques, Integration Testing, Data Validation
Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Apache Hadoop, Cloud Computing, Cloud Deployment, Apache Spark, Web Services, Cloud Technologies, Cloud Services, Virtualization and Virtual Machines, Cloud Computing Architecture, PySpark, Cloud Infrastructure, Cloud Development, Distributed Computing, Data Processing, Cloud Storage, Docker (Software), Virtualization, Containerization, Restful API, Data Architecture
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

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), API Design, Restful API, Data Infrastructure, Development Testing, User Interface (UI), Object-Relational Mapping, Debugging, Unit Testing, Systems Architecture, Web Design and Development
Intermediate · Course · 1 - 3 Months

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