Modern software rarely works in isolation. The real power of any application lies in how well it connects with the tools, platforms, and services your team already relies on — from CRMs and databases to communication channels and payment processors. Yet building those integrations manually, endpoint by endpoint, can eat up days of development time. n8n changes that equation entirely. This course gives you a hands-on foundation for building reliable, production-ready integrations using n8n's visual workflow engine. You will learn how HTTP Request nodes work under the hood, how to authenticate securely against REST APIs using API keys, OAuth2, and header-based credentials, and how to map, transform, and route data between services without writing boilerplate code. Along the way you will work through real integration scenarios — connecting a form submission to a CRM, triggering Slack notifications from webhook events, and syncing data between two third-party platforms automatically. By the end of the course, you will be able to design multi-step workflows that chain together external APIs, handle errors gracefully so your automations do not silently fail, and use n8n's built-in tools to debug and test each integration step before going live. You will also understand when to reach for n8n's native app nodes versus building a custom HTTP integration from scratch — a distinction that saves significant time in real projects. This course is suited for developers, backend engineers, and technical product builders who are comfortable with REST API concepts and want a faster, more maintainable way to wire services together. No prior n8n experience is needed, though familiarity with JSON and HTTP basics will help you move quickly. If you are ready to stop rebuilding the same integration glue code and start shipping connected workflows in hours instead of days, this is where you start.