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Identification stitching

How anonymous sessions get merged into a Shopify customer profile retroactively.

Coming soon. This article will cover the identification stitching process — when it happens, what gets merged, and the caveats.

Topics this article will cover

  • The two events that trigger stitching (checkout, customer login)
  • What gets merged: every prior session on the same cookie
  • What does NOT get merged: sessions on a different cookie/device
  • Cross-device limitations
  • The customer ID anchor and what happens if a customer record is deleted

For now, the conceptual background is in Visitors, sessions, and identification.

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