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.

Google Cloud
Skills you'll gain: No-Code Development, Application Performance Management, Application Development, Security Controls, Authorization (Computing), Authentications, Application Lifecycle Management, Web Services, Data Management, Application Programming Interface (API), Restful API, Role-Based Access Control (RBAC), Webhook Security, Application Security, Scalability, Software Versioning, Automation, Debugging
★ 4.7 (22) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Node.JS, Full-Stack Web Development, Web Applications, Authentications, Server Side, JavaScript Frameworks, Back-End Web Development, Restful API, Middleware, Database Application, Dataflow, Data Validation, NoSQL, TypeScript, Application Programming Interface (API), Object-Relational Mapping, Authorization (Computing), MongoDB, Databases, MySQL
★ 4.8 (8) · Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Web Servers, Distributed Computing, Network Troubleshooting, Server Side, Web Applications, Middleware, Servers, Network Monitoring, Network Architecture, System Programming, Network Protocols, Systems Architecture, Systems Design, TCP/IP, Computer Networking, Network Performance Management, System Design and Implementation, Microservices, Software Development, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Make.com, Email Automation, Deepseek, Agentic Workflows, AI Workflows, AI Orchestration, LLM Application, DeepSeek API, No-Code Development, Automation, AI Integrations, Debugging
★ 4.6 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Agentic Workflows, Model Deployment, Generative AI Agents, AI Orchestration, AI Workflows, LangGraph, Agentic systems, Scalability, Interoperability, LLM Application, AI Integrations, LangChain, Prompt Engineering, Artificial Intelligence, Generative AI, Google Gemini, Application Programming Interface (API), Python Programming, Performance Analysis
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI, LLM Application, AI Integrations, Cloud Management, Cloud Computing, Cloud API, Memory Management, Model Optimization, Package and Software Management, Python Programming, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, Docker (Software), Containerization, API Gateway, Redis, API Design, Software Design, ASP.NET, .NET Framework, Software Architecture, Microsoft Visual Studio, Software Design Patterns, Cloud-Native Computing, Application Programming Interface (API), Restful API, Frontend Integration, Systems Architecture, C# (Programming Language), Event-Driven Programming, Web Development
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Restful API, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, API Design, Application Programming Interface (API), Hibernate (Java), Data Validation, Development Testing, Verification And Validation, Authentications, Model View Controller, Back-End Web Development, Code Reusability, Object-Relational Mapping, Programming Principles, Maintainability
Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Programming Principles, Python Programming, Data Cleansing, Automation, Maintainability, Computational Thinking, Computer Programming, Computational Logic, Application Programming Interface (API)
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Docker (Software), Prometheus (Software), Cloud-Native Computing, Containerization, Package and Software Management, CI/CD, Grafana, DevOps, YAML, Application Deployment, Role-Based Access Control (RBAC), Application Programming Interface (API)
★ 5 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Security Testing, Application Security, Test Tools, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
★ 4.2 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Scalability, Authentications, JSON, Authorization (Computing), Web Development Tools, Web Applications, Web Development, Server Side, Secure Coding, JavaScript Frameworks, Back-End Web Development, Application Frameworks, Javascript, Restful API, Development Environment, Event-Driven Programming, Operating Systems, Email Automation, Integrated Development Environments
★ 4.5 (53) · Intermediate · Course · 1 - 4 Weeks