https://upcitemdb.com/
UPC Lookup | UPCitemdb
The largest UPC database offers API access, bulk lookup. With over 690 million barcodes, the database is updated daily and maintained by tech nerds.
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https://www.buycott.com/
Buycott | Free UPC Lookup Database - Over 600 Million Barcodes | Barcode API
Search our free UPC barcode database with over 642 million products. Instant UPC lookup, EAN lookup, ISBN lookup. Powerful barcode API for developers. Scan...
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https://www.buycott.com/api
UPC & Barcode Lookup Database API | Buycott
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