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I am trying to submit shipment info to ebay (with this url as reference : http://developer.ebay.com/devzone/merchant-data/CallRef/SetShipmentTrack...)
but ebay always rejects my request with "SetShipmentTrackingInfo : invalid or not supported in this release" message in the response. What did I do wrong?
There are a couple of reasons why you would get this error:
1. The Call request does not exist
2. Request is made with required HTTP headers missing.
Please refer to this KB article for detailed information : https://ebaydts.com/eBayKBDetails?KBid=1485
SetShipmentTrackingInfo is a call in the eBay Merchant Data API for LMS users (Refer to http://developer.ebay.com/devzone/merchant-data/CallRef/). Which is not available in Trading API. Use the CompleteSale call mark an item as shipped. You can also upload a shipment tracking number so that the buyer can track the order.
Please see this KB article for more information on Adding/Updating Shipment Tracking Details using CompleteSale : https://ebaydts.com/eBayKBDetails?KBid=1557