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mTLS client certificate renewal for Payments Apps

UpdateUnverifiedAdded Sep 24, 2026

Starting June 15, 2026, Shopify will renew its mTLS client certificate used by Payments Apps to verify that the client initiating the request is Shopify. Unless you're using custom checks or validation logic, this update won't impact your live payments apps, as the new certificate is signed by the same Certificate Authority as the current one.

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