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GS1 (UPC/EAN Barcodes)
https://www.gs1us.org
Overview
GS1 is the standards body that assigns legitimate UPC/EAN company prefixes. Retailers like Amazon and Walmart validate barcodes against GS1 data — so importing products with proper GS1 numbers prevents listing and shelf issues.
Best for
Getting legitimate retail-ready barcode numbers
Pricing
Annual membership fees
Pros
- Legitimate retail-accepted codes
- Company prefix is permanent
- Retailer trust
Cons
- Annual fees
- Application process
- Overkill for small craft sales