# Serial Operation related to Serial product type ## List Serial - [POST /api/v3/Serial](https://developer.dealpos.com/openapi/openapi/serial/get-serial.md): Return a list of variant serials (serialized or batch numbers). Can aggregate serial numbers across multiple outlets. ## Get Serial By Variant Code - [GET /api/v3/Serial/byVariantCode](https://developer.dealpos.com/openapi/openapi/serial/get-variant-serialized.md): Get serials for a specific variant identified by its code. Returns serialized/batch numbers for the given variant and outlet.