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: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Software Quality (SQA/SQC), Performance Stress Testing, Software Development Methodologies, Regression Testing, AI Integrations, Maintainability, Code Review, Scalability, Automation, Code Coverage, Software Technical Review, DevOps, Security Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Hugging Face, Prompt Engineering, Retrieval-Augmented Generation, Responsible AI, Model Evaluation, Fine-tuning, Model Deployment, LangChain, Feature Engineering, Model Optimization, Large Language Modeling, Generative Model Architectures, Generative AI, LLM Application, MLOps (Machine Learning Operations), Model Training, OpenAI API, Generative Adversarial Networks (GANs), Business Strategy, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Terraform, Infrastructure as Code (IaC), Cloud Infrastructure, IT Automation, Configuration Management, Cloud API, Code Reusability, Software Configuration Management, Application Programming Interface (API), Software Versioning
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Prompt Engineering, Vibe coding, Prompt Engineering Tools, Debugging, Large Language Modeling, LLM Application, AI Security, Application Programming Interface (API), Responsible AI, Claude Code, Development Environment, OpenAI API, AI Integrations, Computer Programming Tools, No-Code Development, Systems Integration, Program Development, Integrated Development Environments, Programming Principles, Data Security
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: MLOps (Machine Learning Operations), Continuous Delivery, Applied Machine Learning, Cloud Engineering, Google Cloud Platform, Model Deployment, Cloud Applications, Cloud Development, Cloud API, Cloud Deployment, Artificial Intelligence, Machine Learning, Microsoft Azure, AI Workflows, Software Engineering, Computer Vision, Application Programming Interface (API), Natural Language Processing, Flask (Web Framework)
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, Application Deployment, Cascading Style Sheets (CSS), UI Components, Frontend Performance, Data Transformation, Event-Driven Programming, Server Side, User Interface (UI), Dataflow, Front-End Web Development, Hypertext Markup Language (HTML), Restful API, Code Reusability, Web Applications, Application Frameworks, Software Architecture, Model View Controller, Maintainability
Beginner · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Infrastructure as Code (IaC), AWS CloudFormation, IT Automation, Scripting, Bash (Scripting Language), Amazon Web Services, Command-Line Interface, Configuration Management, Amazon Elastic Compute Cloud, Automation, Shell Script, Scripting Languages, Continuous Monitoring, Cloud Management, Continuous Integration, Software Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Spring Framework, Spring Boot, Model View Controller, Unit Testing, Frontend Integration, Microservices, Application Development, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, NoSQL, Ajax, Data Persistence, Web Services
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Core Data (Software), Restful API, Apple iOS, iOS Development, JSON, Swift Programming, Application Programming Interface (API), Mobile Development, Application Development, Data Persistence, Data Modeling, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, LLM Application, Agentic Workflows, Prompt Patterns, OpenAI API, OpenAI, Large Language Modeling, Prompt Engineering Tools, Tool Calling, Retrieval-Augmented Generation, Artificial Intelligence, AI Integrations, Generative AI, Development Environment, Microsoft Azure
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, UI/UX Research, UI/UX Strategy, Internet Of Things, API Design, User Interface (UI), Embedded Software, Amazon Web Services, Interactive Design, Cloud Computing Architecture, Human Computer Interaction, Embedded Systems, Application Programming Interface (API), Prototyping, Software Development
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Core Data (Software), Business Reporting, Code Reusability, Debugging, Behavior-Driven Development, Full-Stack Web Development, Test Script Development, Application Development, Development Testing, Object Oriented Design, Report Writing, Security Controls, HTML and CSS
Intermediate · Specialization · 1 - 3 Months