E-commerce For Everyone - Amazon Storefront Solutions

Which merchant is supplying item? (amazon.co.uk)

Hello,

If I do a search for a CD on amazon UK using ECS, for example:

http://webservices.amazon.co.uk/onca/xml?Service=AWSECommerceService&Operation=ItemLookup&AWSAccessKeyId=[myID]&ItemId=B00005NUZO&MerchantId=All&ResponseGroup=OfferFull,ItemAttributes&OfferPage=3&Condition=All&Version=2005-10-13

(n.b. I've removed my id from the above url)


When viewing this item on Amazon.co.uk's site I can see that amazon's own price for this CD is £5.47. Now, the only offer at this price in the XML returned by the query above has a merchant ID of A3P5ROKL5A1OLE - Amazon UK's merchant ID, which is exactly what you'd expect. However, if when viewing this item directly on amazon's site I add it to my cart and go through the checkout process, I can see that the shipping on this item comes to £1.24 - which according to the shipping scheme outlined here ( http://www.amazon.co.uk/gp/help/customer/display.html?nodeId=11072961) is the rate you'd expect for a single CD supplied by Indigostarfish.com, not the rate you'd expect if purchasing directly from amazon uk (which I calculate to be £1.45). So presumably this CD is in fact being supplied by Indigostarfish, despite the fact amazon's merchant id is given.

Is there a way I can determine programmatically who's supplying a CD offered via an ECS query?

Hope that makes sense!

Any comments or suggestions are gratefully received.

Thanks, Luke

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E-commerce For Everyone - Amazon Storefront Solutions