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Web Pixels API: `event.data.checkout.subtotalPrice.amount` value change on the new `/thank-you` page and checkout events

Breaking / action requiredTracking & signal lossEffective n/a

The event.data.checkout.subtotalPrice.amount value in the Web Pixels API has been updated. Previously, this value included the sum of all line item prices and product-level discounts, but not order-level discounts.

Summary extracted from the official source text. Verify details on the source page.

PlatformShopify
Effective dateNo date published
Precisionn/a
Published2025-04-30
CategoriesBreaking / action requiredTracking & signal loss
TagsAPI, Action Required, Update
Official sourceShopify developer changelog ↗
Fetched2026-10-17T03:44:00+00:00
First seen2026-10-17T01:05:46+00:00
StatusListed by the source
Stable IDshopify-983bfc363f · JSON