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.

Vanderbilt University
Skills you'll gain: AI Orchestration, LangChain, OpenAI API, Generative AI Agents, Prompt Patterns, AI Workflows, Prompt Engineering, Agentic systems, AI Security, Large Language Modeling, Business Logic, File I/O, Transaction Processing, Document Management, Persona Development, Coordination, Plan Execution
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Computer Vision, Tensorflow, Image Analysis, Transfer Learning, Convolutional Neural Networks, Keras (Neural Network Library), Deep Learning, Classification Algorithms, Model Evaluation, Visualization (Computer Graphics), Network Architecture
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Structures, Spring Boot, Restful API, Model View Controller, Spring Framework, Java Programming, Java, Authentications, Authorization (Computing), Microservices, Algorithms, Object Oriented Programming (OOP), Dependency Analysis
Advanced · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Prompt Engineering, Vibe coding, Debugging, Large Language Modeling, LLM Application, AI Security, Application Programming Interface (API), Responsible AI, Development Environment, AI Enablement, Integrated Development Environments, API Testing, Application Development, Application Security
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Database Design, Software Design Patterns, OpenAI API, Application Design, Database Management, AI Enablement, Software Architecture, System Design and Implementation, Software Development, Query Languages, Secure Coding, Application Programming Interface (API), Performance Tuning
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Ansible, Development Environment, Postman API Platform, Restful API, Authentications, YAML, Software Development Methodologies, Software-Defined Networking, CI/CD, DevOps, IT Automation, Network Engineering, Network Architecture, Network Administration, Application Programming Interface (API), Scripting, JSON, Data Modeling, Version Control, Network Protocols
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Application Frameworks, Software Architecture, Middleware, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Docker (Software), Database Development, Cloud Deployment, Application Security, Java, Containerization, SQL, Databases, Database Design, NoSQL, Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Responsible AI, Generative AI, Prompt Engineering, Amazon Bedrock, AWS SageMaker, AI Workflows, Agentic systems, AI Enablement, AI Product Strategy, Generative AI Agents, Amazon Web Services, AI Orchestration, Application Programming Interface (API), Application Development, Model Deployment, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, LLM Application, Solution Architecture, Data Management
Beginner · Professional Certificate · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), JavaScript Frameworks, Interaction Design, Web Development Tools, Event-Driven Programming, Web Frameworks, Cascading Style Sheets (CSS), Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months
Universidad Austral
Skills you'll gain: Angular, Server Side, Node.JS, Responsive Web Design, LESS, Bootstrap (Front-End Framework), Mobile Development, Back-End Web Development, Version Control, Cross Platform Development, Restful API, HTML and CSS, Web Design and Development, React Redux, JavaScript Frameworks, Continuous Integration, TypeScript, iOS Development, Apple iOS, MongoDB
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Make.com, Email Automation, DeepSeek API, Deepseek, Workflow Management, AI Workflows, No-Code Development, Operational Efficiency, Agentic Workflows, AI Enablement, Large Language Modeling, Retrieval-Augmented Generation, Automation, Generative AI, Application Programming Interface (API), Embeddings, Model Deployment, Natural Language Processing, Prompt Engineering, Debugging
Intermediate · Specialization · 1 - 3 Months