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.

Skills you'll gain: OAuth, JSON, Data Wrangling, Application Programming Interface (API), API Design, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Generative AI Agents, Agentic systems, OpenAI API, Enterprise Application Management, Tool Calling, OAuth, Middleware, Performance Tuning, Real Time Data, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Prompt Engineering, Retrieval-Augmented Generation, Application Programming Interface (API)
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: User Experience Design, User Interface (UI) Design, Application Programming Interface (API), Restful API, Cross Platform Development
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Vector Databases, Query Languages, Embeddings, Database Management, Database Design, Docker (Software), Data Management, Restful API, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, Java, Algorithms, Java Programming, Program Development, Programming Principles, Statistical Analysis, Software Design, Computer Programming, Data Import/Export, Integrated Development Environments, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), API Design, Data Analysis, Software Testing, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Serverless Computing, API Gateway, Extensible Markup Language (XML), JSON, Amazon Web Services, Cloud Deployment, Cloud Development, Application Programming Interface (API), Cloud Applications, Restful API, Data Processing, Data Transformation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Maintainability, Code Review, Test Driven Development (TDD), API Testing, LLM Application, API Design, Microsoft Visual Studio, Software Engineering, Engineering Software, Software Technical Review, Program Development, Application Lifecycle Management, Unit Testing, Microservices, Peer Review, Quality Assessment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Browser Compatibility, Performance Testing, Security Testing, Integration Testing, System Testing, API Testing, Development Environment, Software Testing, User Acceptance Testing (UAT), Acceptance Testing, Test Tools, Application Security, Test Automation, Responsive Web Design, Vulnerability Scanning, Web Applications, Docker (Software), User Interface (UI), Python Programming
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Due Diligence, Backlogs, Postman API Platform, Strategic Decision-Making, Data Integrity, Data Maintenance, Needs Assessment, Product Knowledge, Technical Management, Stakeholder Communications, Data Manipulation, Requirements Analysis, Process Analysis, Automation, Restful API, Application Programming Interface (API), Business Requirements, Vendor Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Continuous Integration, Artificial Intelligence and Machine Learning (AI/ML), DevOps, Service Level Agreement, API Design, Performance Measurement, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Agentic systems, OpenAI API, AI Workflows, Performance Tuning, Real Time Data, Tool Calling, Prompt Engineering, Application Programming Interface (API), Artificial Intelligence, Software Architecture, Systems Integration, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Prompt Engineering, No-Code Development, User Feedback, Technical Communication, Application Deployment, AI Security, Performance Tuning, Data Wrangling, Version Control, Business Process Automation, API Testing, DevSecOps, Site Reliability Engineering, Integration Testing, Application Security, Application Programming Interface (API), Agile Methodology, LLM Application, Data Integration
Intermediate · Specialization · 3 - 6 Months