Shopify has released two new tools for Tax Partner Apps as of the 2026-01 API version: the taxSummaryCreate mutation and the tax_summaries/create webhook. The mutation allows apps to programmatically request tax summary generation for orders, either by specifying individual order IDs or processing orders in bulk using a time range. The webhook is automatically triggered by events that impact tax liability, such as fulfillments and refunds, keeping tax calculations up to date in real time.
Tax compliance is critical for e-commerce businesses, and manual tax summary management creates friction and error risk. These new tools give Tax Partner Apps the ability to automate tax summary generation and stay synchronized with order lifecycle events—eliminating delays and reducing the chance of incorrect tax calculations. Developers building tax solutions can now offer their customers more efficient, reliable tax reporting without requiring manual intervention.
Building a tax partner app requires secure API access and reliable OAuth authentication. GetShopifyToken streamlines the token management process, ensuring your app can securely connect to Shopify's APIs and focus on tax logic rather than authentication infrastructure.