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: Node.JS, API Gateway, MySQL, Restful API, MongoDB, OAuth, Microservices, API Design, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Databases, MySQL Workbench, Server Side, Application Deployment, Javascript
★ 3.6 (116) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Docker (Software), Azure DevOps, Restful API, Cross Platform Development, Azure DevOps Pipelines, Microservices, Containerization, User Interface (UI), User Interface and User Experience (UI/UX) Design, DevOps, UI Components, User Interface (UI) Design, ASP.NET, UI/UX Strategy, Secure Coding, Mobile Development Tools, Version Control
★ 4.2 (56) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Node.JS, JavaScript Frameworks, Web Frameworks, Authentications, MongoDB, Postman API Platform, Restful API, Server Side, Middleware, JSON, Application Programming Interface (API), Web Development Tools, Web Applications, Javascript, Back-End Web Development, API Testing, NoSQL
★ 4.9 (22) · Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Java Programming, Agentic systems, Agentic Workflows, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Large Language Modeling, Memory Management
★ 4.2 (25) · Beginner · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: Risking, Financial Inclusion, Responsible AI, Data Ethics, Data Governance, FinTech, Financial Data, AI Personalization, Law, Regulation, and Compliance, Data Sharing, Financial Regulation, Financial Services, Decision Intelligence, Data Strategy, Financial Systems, Data Literacy, Finance, Business Ethics, Product Design, Application Programming Interface (API)
★ 4.8 (37) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Application Deployment, API Gateway, Cloud-Native Computing, Containerization, Network Troubleshooting, Data Storage, Network Administration, Infrastructure Security, Role-Based Access Control (RBAC), YAML, Security Controls, Linux Administration, Data Storage Technologies, General Networking, Problem Management, Network Security, Data Persistence, Test Tools, Scenario Testing
★ 4.4 (18) · Intermediate · Specialization · 1 - 3 Months
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
★ 3.6 (25) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Email Automation, Workflow Management, Agentic Workflows, AI Workflows, No-Code Development, Deepseek, AI Orchestration, DeepSeek API, LLM Application, Generative AI Agents, Large Language Modeling, Generative AI, Automation, Application Deployment, AI Integrations, Google Sheets, Gmail
★ 4 (49) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Transaction Processing, Hybrid Cloud Computing, COBOL (Programming Language), Mainframe Technologies, Mainframe Computing, IBM Cloud, Cloud Applications, Enterprise Application Management, Application Development, Application Programming Interface (API), Cloud API
★ 4.5 (17) · Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: JUnit, Apache Maven, Restful API, Java Programming, Java, Application Deployment, Microservices, Docker (Software), Object Oriented Programming (OOP), Spring Boot, Spring Framework, Containerization, CI/CD, Unit Testing, API Design, Application Programming Interface (API), Hibernate (Java), Computer Programming, Object Oriented Design, Programming Principles
Intermediate · Specialization · 1 - 3 Months

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
★ 4.9 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Generative Model Architectures, Large Language Modeling, LLM Application, Generative Adversarial Networks (GANs), Retrieval-Augmented Generation, OpenAI, Hugging Face, OpenAI API, Multimodal Prompts, Responsible AI, AI Security, Autoencoders, Model Deployment, Fine-tuning, Application Deployment
★ 4.3 (12) · Intermediate · Course · 1 - 3 Months