---
title: New updates to Partner API - Shopify developer changelog
description: Shopify’s developer changelog documents all changes to Shopify’s platform. Find the latest news and learn about new platform opportunities.
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---

[Back to Developer changelog](https://shopify.dev/changelog)

August 1, 2021

Tags:

* API
* 2022-01

# New updates to Partner API

Starting today, the following changes are effective on the `unstable` version of Partner API to help developers with the calculation of their app store revenue.

* The transaction objects `AppOneTimeSale`, `AppSaleAdjustment`, `AppSaleCredit`, `AppSubscriptionSale`, and `AppUsageSale` have a new field titled `processingFee`. The `processingFee` field indicates the amount that was deducted for processing your application’s charge to a merchant.
* The previously mentioned transaction objects have a new calculation for the `netAmount` field. The new calculation accounts for the deduction of `processingFee` amount from your app charge and adjustment to a merchant.
* `SALE_SHOPIFY_FEE` in the TaxTransactionType enum is deprecated and replaced by the `SALE_FEES` value. When taxes are charged on all fees for an app, theme, or service transaction, the `SALE_FEES` value is returned in the `TaxTransaction` object.
* The `type` field in `TaxTransaction` object is deprecated. A new field titled `taxType` is now present on the object, which will return either `TaxTransactionType.REFERRAL_COMMISSION` for taxes paid out on your commission fee for a referral or `TaxTransactionType.SALE_FEES` for taxes charged on fees for an app, theme, or service transaction.

These changes are available in the unstable version today and will be made official in the 2022-01 version of Partner API. Learn more about [partner API reference documentation](https://shopify.dev/api/partner/reference) at Shopify.dev.