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: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, LLM Application, Agentic Workflows, OpenAI API, OpenAI, Large Language Modeling, Tool Calling, Retrieval-Augmented Generation, Artificial Intelligence, AI Integrations, Generative AI, Development Environment, Microsoft Azure, AI literacy, Microsoft Development Tools
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Unified Modeling Language, Software Design Patterns, Software Testing, Java, Software Engineering, Java Programming, Computer Programming, User Interface and User Experience (UI/UX) Design, Unit Testing, Software Design, Software Architecture, API Design, Model View Controller, Software Development, Test Driven Development (TDD), Conceptual Design, Databases
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Terraform, Infrastructure as Code (IaC), Cloud Infrastructure, IT Automation, Configuration Management, Cloud API, Code Reusability, Application Programming Interface (API), Software Versioning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Security Testing, Hardening, Test Script Development, Brute-force attacks, 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

Board Infinity
Skills you'll gain: Docker (Software), Azure DevOps, Restful API, Azure DevOps Pipelines, Microservices, Containerization, DevOps, ASP.NET, CI/CD, .NET Framework, Devops Tools, Continuous Integration, Web Services, Continuous Delivery, Application Programming Interface (API), API Design, Test Automation, Application Deployment, Development Testing
Advanced · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Node.JS, MongoDB, Angular, Full-Stack Web Development, JavaScript Frameworks, Restful API, Secure Coding, Server Side, Web Applications, Web Development, NoSQL, Front-End Web Development, Web Development Tools, Web Servers, Postman API Platform, Application Programming Interface (API), API Design, Javascript, Back-End Web Development, Event-Driven Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Spring Framework, Spring Boot, Model View Controller, Unit Testing, Frontend Integration, Microservices, Application Development, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, NoSQL, Ajax, Data Persistence, Web Services
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, Frontend Integration, React.js, API Testing, Authorization (Computing), Secure Coding, Object-Relational Mapping, API Design, Scalability, JavaScript Frameworks, JSON, Test Tools, Web Development, Python Programming
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Databricks, CI/CD, Apache Spark, Microsoft Azure, Data Governance, Data Lakes, Data Architecture, Integration Testing, Continuous Integration, Continuous Deployment, Data Infrastructure, Real Time Data, Data Integration, Data Pipelines, Development Environment, Data Management, Data Processing, Automation, Data Storage, File Systems
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cryptography, Security Requirements Analysis, Network Architecture, Network Security, Internet Of Things, Cybersecurity, Web Services, Encryption, Embedded Systems, Network Protocols, Public Key Cryptography Standards (PKCS), Computer Networking, Threat Modeling, Security Controls, Simple Object Access Protocol (SOAP), TCP/IP, Web Applications, Restful API, Information Privacy, OSI Models
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: API Gateway, Cloud Applications, Google Cloud Platform, Cloud Development, Cloud Infrastructure, Cloud-Native Computing, Prompt Engineering, Kubernetes, Serverless Computing, Prompt Engineering Tools, Microservices, Containerization, Application Deployment, Application Development, Infrastructure As A Service (IaaS), Application Programming Interface (API), Prompt Patterns, Cloud Computing, Cloud Storage, Debugging
Intermediate · Specialization · 3 - 6 Months