Introducing ExGtin, an Elixir library for GTIN  (Global Trade Item Number) validation. This library provides barcode validation for GTIN 8, GTIN-12,  GTIN-13 and GTIN-14.

GitHub Link: ExGtin
HexDocs Link: ex_gtin

Formerly known as UPC (Univeral Price Code) used with barcodes, GTIN codes are validated with a check digit that ensures the code is accurate and not malformed on read or generation. 

Future expansion using RFID tags and or using GLN (Global Location Number) parts of the GS1 specification.

https://www.gs1.org/
https://www.gs1.org/gtin