#n8n code node

A webhook URL is just a URL, and n8n has no built-in way to confirm a request actually came from Stripe, Twilio, or GitHub rather than anyone who found it. Here is how to build signature verification with a Code node, the raw-body Base64 decoding gotcha that breaks most first

Muhammad Qasim Hammad·August 21, 2026·7 min

The built-in AI nodes cover the common cases. But batching rows, reshaping API responses, and building scoring functions hit a wall fast. The Code node fills the gap with JavaScript wherever the visual nodes cannot reach.

Muhammad Qasim Hammad·July 21, 2026·8 min