> For the complete documentation index, see [llms.txt](https://docs.solutioo.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.solutioo.de/shopware/shopware6_en_us/price-and-inventory-management/price-upload-without-duplicates.md).

# Price Upload Without Duplicates

The price upload has been designed so that **no duplicate prices** are created in Shopware when price periods change.

**Web-ID inheritance (PATCH instead of POST)**

* Prices that have already been uploaded have a **Web-ID**.
* When a price changes, this Web-ID is reused and the price is **updated via PATCH** instead of creating a new record via **POST**.
* As a result, **no duplicates** are created during the transition between price periods.

**Currency safety**

The price upload uses the **currency** that is marked as the default in the mapping. This avoids confusion between different currencies. See [Currencies](/shopware/shopware6_en_us/configuration/currencies.md).

**Forced re-upload**

If you deliberately want to transfer prices again, mark the affected lines as **not synchronized** (for example, using *Mark lines as unsynchronized* or *Mark all prices as unsynchronized*). They will be uploaded again during the next run.

{% hint style="info" %}
In addition, actions such as *Upload latest prices (force)* and *Delete all Shopware prices* are available.
{% endhint %}

### Frequently Asked Questions

#### How does the connector prevent duplicate prices in Shopware?

Price lines are matched by their “SOUSHW Web ID” (Shopware product-price ID) and updated instead of being created anew. In addition, the `NewPriceExists()` check detects overlapping tiers based on the starting and ending date. Lines that have expired or are flagged as “Marked Delete” are found via `search/product-price` and removed with DELETE.

#### What does “Delete Orphan Prices” do?

This action removes orphaned Shopware prices for which no matching price line exists in Business Central anymore. This keeps the prices in Shopware consistent and prevents conflicts caused by legacy data.

#### How many prices are transferred per API call?

The package size is controlled by the “Price API Limit” field (default 1). Product prices are transferred in bulk packages of this size via `Upload_RuleWithBulkPrice` – with large price volumes, a higher value can reduce the number of API calls.


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