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2026 · Workflow Automation · Practical Guide
n8n — The Complete Guide
Open-source Zapier — 500+ built-in integrations, self-hosted, unlimited executions
n8n is an open-source workflow automation platform (TypeScript/Node) built by n8n GmbH — a mature German company that raised a Series B — with a visual drag-and-drop interface for building pipelines from 500+ built-in integrations (Slack, Gmail, Postgres, Webhooks, HTTP, OpenAI, AI Agent, Vector Store nodes like Qdrant/Pinecone/Supabase Vector, LangChain, and more). It runs on Docker with PostgreSQL behind it. On my stack, n8n handles business cron jobs (invoicing, content publishing, agent heartbeats) and replaces three separate SaaS products that used to cost ~$80/month. On yours, n8n can be the glue of the entire stack — CRM automation, marketing ops, internal system integrations, or a full replacement for Zapier (Starter $29/mo for 750 tasks, Professional $73/mo for 2,000, Team $103/user/mo) and Make (Core $10.59/mo, Pro $18.82/mo, Teams $34.12/mo).
500+
built-in nodes
unlimited
executions
$0
self-host cost
25
my integrations
Why not Zapier?
Zapier is great until you hit $29/month for 750 tasks (and $73 for 2,000). n8n takes the same capability, opens it up, and adds the ability to write JS inside the workflow.
Zapier Starter $29/month — 750 tasks
n8n on a Hetzner CPX11 at ~€4.75/month — unlimited executions
Complex logic = adding Code by Zapier ($$)
Code node in n8n — full JS for free
Vendor lock-in, no access to your workflows
self-hosted, backed up in Postgres, exportable to JSON
No integration with your private AI agent
HTTP node → hub.eladjak.com/kami/whatsapp
Who is this for?
Here's how:
Small ops teams
Want workflows without touching code, but don't want to pay $103/user/month for Zapier Team.
Solo founders
Automatic connections between Gmail, WhatsApp, Google Sheets, and a small CRM — all in a single workflow.
Developers with a business side
The Code node lets you wire n8n to internal servers and databases. Faster than building an integration platform from scratch.
AI teams that need automation
Connect Claude/Kami/CrewAI to ops tools — email, calendar, CRM, invoicing — without a new backend.
The practical guide
Click any section to open it
Resources & links
n8n.io
Official site + detailed docs + community
n8n GitHub
Open source + release notes + contributions
n8n Workflows Library
Community library of ready-made workflows
n8n + OpenAI Playlist
Videos from the team itself — practical AI workflows
Webhook.site
A tool for testing webhooks before wiring them to n8n
The Delegator guide
The API gateway connecting to my n8n workflows
Replace Zapier in 30 minutes
n8n runs on the smallest VPS, handles infinite executions, and enables the kind of logic Zapier charges a fortune for.
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Elad Yaakobovitch
Full-Stack Developer & AI Specialist
n8n is the automation engine that ties the whole network together — the business cron jobs, the glue between AI agents and generic tools, and the control surface for triggers on external events. This guide lays out the common patterns (webhook→agent→publish, scheduled content, error workflows) so you can turn n8n from an external tool into the practical backbone of your stack.