n8n

What it is

n8n is an automation tool where you assemble a process out of nodes: something arrives here, it gets checked, it gets written there, and if it breaks, it says so. Comparing it to Zapier or Make is the obvious move and still misleading, because the decisive difference is not the feature list but the location: n8n runs on your server. Your customer data never leaves your infrastructure, and the bill does not grow with the number of runs.

Where it holds

The real value shows up where two systems flatly refuse to talk to each other. A shop, an email tool, an accounting system and a messenger rarely ship with connections between them. Those are the gaps n8n fills, in a way you can still read back afterwards.

Second point that usually gets missed: n8n is a very good home for AI agents on a short leash. A model may phrase things, but whether anything actually gets sent is decided by a node in front of it or by a human in Slack. That split is the entire difference between a process you can leave running and a demo.

Where it bites

Being honest: the learning curve is real. People arriving from Zapier expect ready-made blocks and often get an HTTP request node and the vendor’s API documentation instead. That is more powerful and it takes longer the first time.

Two more things worth knowing up front. First, self-hosting also means updates and backups. Manageable, but not nothing. Second, credentials cannot be created through the API, only referenced. Anyone trying to automate the setup hits exactly that wall and has to go around it via the REST interface directly.

What it looks like when it runs

An order comes in and the rest happens by itself: the customer lands in the right segment, the document is filed, the number shows up in the overview, and only the one case where somebody genuinely has to decide reaches a human as a message. That is the difference between a business where data gets typed and one where data arrives. And when something breaks, it says so instead of failing quietly.

What to think about before choosing it

If you need five simple connections and have nobody who will touch a server, a hosted tool is the more honest answer. n8n starts paying off once either the volume breaks the pricing, the data should not leave the building, or the processes get specific enough that ready-made blocks stop fitting anyway. At most of the businesses I work with, all three arrive at once.