How do you track where your products are listed across multiple platforms?

Topic summary

Central issue: A merchant selling across multiple venues (Shopify website, eBay, etc.) wants a way inside Shopify to identify where each product is also listed.

What’s being asked: Whether products can be marked—such as via tags—or another method to indicate their presence on external platforms.

Key term: “Tag” refers to a simple label attached to a product in Shopify that can be used for filtering, organizing, or signaling metadata.

Current status: No solutions or best practices have been shared in the thread yet; it remains an open question.

Unanswered questions:

  • Recommended approach in Shopify to consistently track multi-channel listings (tags, metafields, custom fields, or other tooling).
  • How to keep such indicators updated as listings change across platforms.

Other notes: No images, code, or attachments are referenced.

Summarized with AI on January 11. AI used: gpt-5.

I sell products over several venues (Website, Ebay, etc). Does anyone have a way to mark products within your Shopify store so you know where the products are also listed? Would it be a tag or some other way?