Templates / Generate GTIN-14 test values for product feeds with Ecomwith

Generate GTIN-14 test values for product feeds with Ecomwith

Ready for 3.0

by Des · 1 views · created 2026-09-25 · Engineering

Ready 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 6 nodes and runs when someone submits an n8n form (“Generate GTIN test values”). It uses only n8n's built-in nodes. It also calls ecomwith.com over HTTP.

How it runs

Trigger: When someone submits an n8n form (“Generate GTIN test values”).

  1. Log raw form input (Data table): insert (row)
  2. Normalize GTIN input (Code): runs custom JavaScript code
  3. Call Ecomwith GTIN API (HTTP Request): calls ecomwith.com (POST)
  4. Format GTIN result (Code): runs custom JavaScript code
  5. Format Ecomwith API error (Code): runs custom JavaScript code

HTTP calls to: ecomwith.com

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 (4)

From the author

Quick overview Generate format-valid GTIN-14 test values and map them to SKU prefixes for ecommerce feed QA. Learn more: https://ecomwith.com/tools/gtin How it works 1. Receives quantity and SKU prefix from the GTIN Form. 2. Logs the raw form payload to the…

Excerpt from Des's description on n8n.io.

View the original on n8n.io → Check your own copy

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