Send signed WooCommerce orders to KSeF via a self-hosted KSeF Gateway
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 10 nodes and runs when an HTTP POST request hits its webhook URL. It uses only n8n's built-in nodes.
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Configuration (EDIT ME) (Edit Fields (Set)): sets 7 fields: ksefGatewayUrl, sellerNip, sellerName…
- Verify Signature (Code): runs custom JavaScript code
- Signature Valid? (If): checks a condition and branches into true / false
- Transform to KSeF (Code): runs custom JavaScript code
- Respond Unauthorized (Respond to Webhook): sends the response back to the webhook caller
- Has NIP? (If): checks a condition and branches into true / false
- Send to KSeF Gateway (HTTP Request): calls an HTTP API (POST)
- Respond Skipped (Respond to Webhook): sends the response back to the webhook caller
- Respond OK (Respond to Webhook): sends the response back to the webhook caller
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (6)
- Webhook
n8n-nodes-base.webhook - Edit Fields (Set)
n8n-nodes-base.set - Code
n8n-nodes-base.code - If
n8n-nodes-base.if - Respond to Webhook
n8n-nodes-base.respondToWebhook - HTTP Request
n8n-nodes-base.httpRequest
From the author
Quick overview This workflow receives WooCommerce order webhooks, verifies the WooCommerce signature, converts eligible orders into a KSeF invoice payload, and submits them to a self-hosted KSeF Gateway API, skipping consumer orders that do not include a…