This is an interesting hidden feature of the BlueSnap API - inventory management. For some strange reason, you cannot find it in your online documentation, but it exists and works.
SKU , API- SKU: https://developers.bluesnap.com/v8976-Extended/docs/create-sku :
<catalog-sku xmlns="http://ws.plimus.com">
<contract-name>Seats for Show example</contract-name>
<product-id>307634</product-id>
<sku-type>DIGITAL</sku-type>
<enable-inventory-mgt>true</enable-inventory-mgt>
<inventory>1000</inventory>
<pricing-settings>
<charge-policy-type>ONE TIME PAYMENT</charge-policy-type>
<charge-policy>
<one-time-charge>
<catalog-prices>
<catalog-price>
<base-price>true</base-price>
<currency>USD</currency>
<amount>7.00</amount>
</catalog-price>
</catalog-prices>
</one-time-charge>
</charge-policy>
</pricing-settings>
</catalog-sku>
enable-inventory-mgt , SKU , SKU.
- , SKU , . , - , , , , ( SKU - https://developers.bluesnap.com/v8976-Extended/docs/update-sku)
, , SKU, - .