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: Unit Testing, Angular, Software Testing, Frontend Performance, Software Architecture, Software Design, Application Programming Interface (API), Restful API, Performance Tuning, Authentications, Authorization (Computing), Scalability, TypeScript
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Model Context Protocol, Prompt Engineering, Retrieval-Augmented Generation, LangChain, OpenAI API, Embeddings, Image Analysis, Responsible AI, AI Workflows, LLM Application, Cloud Deployment, Cloud Applications, Multimodal Prompts, Hugging Face, Generative AI, Application Deployment, OpenAI, API Gateway, Vector Databases, Software Engineering
Intermediate · Specialization · 3 - 6 Months

Coursera
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Data Flow Diagrams (DFDs), Prompt Engineering, Generative AI, Embeddings, Context Management, Large Language Modeling, Vector Databases, Data Pipelines, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Agentic Workflows, AI Orchestration, Tool Calling, Generative AI, Gemini, Artificial Intelligence, Google Gemini, Retrieval-Augmented Generation, Embeddings, Workflow Management, Python Programming, Data Validation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Unit Testing, TypeScript, Angular, Software Testing, Frontend Performance, Software Architecture, Software Design, UI Components, Application Programming Interface (API), Restful API, Application Deployment, Performance Tuning, User Interface (UI), Authentications, JavaScript Frameworks, Scalability, Front-End Web Development, Node.JS, Authorization (Computing), Web Applications
Intermediate · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Debugging, TypeScript, Agentic systems, AI Workflows, Node.JS, OpenAI API, Generative AI, Program Development, Artificial Intelligence, LLM Application, Programming Principles, Maintainability, Development Environment, Prompt Engineering, Application Frameworks, Javascript, Large Language Modeling, File Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Data Visualization, AI Security, A/B Testing, Open Web Application Security Project (OWASP), Secure Coding, DevSecOps, Application Security, System Monitoring, MLOps (Machine Learning Operations), Analytics, Data Governance, API Gateway, Cyber Governance, Data Cleansing, Data Processing, Data Management, Data Quality, Data Validation, Jupyter
Intermediate · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Data Persistence, Application Design, Application Programming Interface (API), JSON, Typography
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React Redux, React Native, React.js, Application Development, Scalability, Data Validation, UI Components, Web Applications, Mobile Development, Data Persistence, Business Logic, Application Design, Front-End Web Development, Software Design, Authentications, User Interface (UI), User Experience Design, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Node.JS
Beginner · Specialization · 3 - 6 Months

Pragmatic AI Labs
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Quality Monitoring, Cloud API, Application Programming Interface (API), Web Services, Customer Relationship Management (CRM) Software, Customer Communications Management, Account Management, Business Communication, Data Migration
Intermediate · Course · 1 - 4 Weeks