eBay

We have too many products, is there a way to migrate all of our products to Inventory API Objects faster?other than using https://developer.ebay.com/api-docs/sell/inventory/resources/listing/methods/bulkMigrateListing ?

On the backend portal of Ebay, it's possible to add multiple Tracking number in one item (the reason is that it's preferable to ship the item we are selling which is tires individually).But in API, when I use createShippingFulfillment (the link is be...