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: Event-Driven Programming, DevOps, Data Integration, z/OS, Hybrid Cloud Computing, Devops Tools, Mainframe Technologies, Mainframe Computing, Cloud Applications, Enterprise Application Management, Data Access, Cloud API, Application Programming Interface (API), Computer Programming
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Build Tools, Back-End Web Development, Software Architecture, Server Side, Load Balancing, Cloud Development, Web Services, Restful API, Systems Architecture, Web Applications
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Frontend Integration, React.js, API Testing, Authentications, Secure Coding, Performance Tuning, Scalability, JavaScript Frameworks, Test Tools, Unit Testing, Development Testing, Software Testing, Restful API, Javascript, Python Programming
Advanced · Course · 1 - 4 Weeks

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

Duke University
Skills you'll gain: Large Language Modeling, LLM Application, Prompt Patterns, Prompt Engineering, Microsoft Azure, OpenAI API, Retrieval-Augmented Generation, OpenAI, Model Deployment, Risk Management Framework, Embeddings, Cloud Computing, Cloud Deployment, Application Deployment, AI Integrations, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Security Testing, Hardening, Brute-force attacks, IT Automation, Scripting Languages, Business Logic, Cloud Security, Network Analysis, Programming Principles, API Testing, General Data Protection Regulation (GDPR), Cloud Computing, Wireless Networks, Data Persistence, Application Programming Interface (API), Data Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Import/Export, Data Visualization Software, Cloud Deployment, Data Visualization, Restful API, Data Mapping, Data Presentation, Interactive Data Visualization, Extract, Transform, Load, Dashboard Creation, Histogram, Data Store, Data Transformation, Amazon Web Services, Cloud Hosting, Scalability, Cloud Management, System Monitoring, NoSQL, Query Languages
Beginner · Specialization · 1 - 3 Months

SkillUp
Skills you'll gain: Hibernate (Java), Object-Relational Mapping, Spring Boot, Restful API, Java, NoSQL, Database Development, Spring Framework, SQL, Database Systems, Databases, Database Design, Application Frameworks, Java Programming, Data Access, Database Management, Relational Databases, Back-End Web Development, Software Development
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Model Context Protocol, AI Workflows, AI Integrations, Generative AI Agents, Tool Calling, OpenAI API, Agentic Workflows, Anthropic Claude, Context Management, Real Time Data, Debugging, Artificial Intelligence and Machine Learning (AI/ML), Servers, Artificial Intelligence, Data Access, Generative AI, Interoperability, Server Administration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Prompt Engineering, LLM Application, Large Language Modeling, Retrieval-Augmented Generation, Vector Databases, Tool Calling, Embeddings, OpenAI API, ChatGPT, Google Gemini, AI Workflows, Generative AI Agents, Token Optimization, Agentic Workflows
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Serverless Computing, Microsoft Power Automate/Flow, Microsoft Power Platform, Business Process Automation, Microsoft Development Tools, Event-Driven Programming, Cloud API, Application Programming Interface (API), Web Applications, Business Logic, GitHub
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Social Media Analytics, Network Analysis, Data Analysis, Analytical Skills, Statistical Analysis, Social Sciences, Research, Data Collection, AI Personalization, Sociology, Data Transformation, Persuasive Communication, Application Programming Interface (API), Extract, Transform, Load, Media and Communications, Scripting, Psychology
Intermediate · Course · 1 - 3 Months