> ## Documentation Index
> Fetch the complete documentation index at: https://help.lobyco.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Products

> Product master data.

Read products by external id or EAN, and upsert products in bulk.

<Info>
  **Integration guide:** [Importing product and article information](/integration/other-integrations/retail-master-data/importing-product-and-article-information) — file formats, examples and limitations.
</Info>