If a GTM stack has a backbone, this is it. n8n is a fair-code workflow automation platform where you wire nodes together on a visual canvas to move data between apps, transform it, call APIs, and run AI agents. With 500-plus integrations, native LangChain-based AI nodes, and code nodes for custom logic, it reaches the tools that have no prebuilt connector. Billing is execution-based, so one run costs the same no matter how many steps it carries. In our client builds, n8n is the bridge. When a signal fires, it catches the webhook, routes the record into Clay, waits for enrichment to finish, then pushes the cleaned data into the CRM and the sequencer and pings Slack. It is the quiet layer that keeps the whole system talking. We use n8n instead of Zapier and instead of Clay's default integrations because it shows us every step, runs cheaper at scale, and lets us add custom logic when an off-the-shelf connector falls short. Because the self-hosted Community Edition is free with unlimited executions, the client owns every workflow outright. The native AI nodes also let us build agents with memory and tool calls on the same canvas as everything else, so the intelligence and the plumbing live in one place. The trade-off is a steep curve, some server maintenance once you self-host in production, and debugging that can run slow when an error message is vague. For a workflow-first stack, that is a price worth paying.