xml - Amazon Product API: ItemLookup with Multiple ASINs -

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I'm having a problem getting a special error [note: I masked my AccessKey and signature parameters

The URL below provides valid xml for a product 

  http://ecs.amazonaws.com/onca/ Xml? AWSAccessKeyId = [myAccessKey] & amp; IdType = ASIN & amp; Itemid = B002UD52WQ & amp; Operation = ItemLookup & amp; ResponseGroup = Medium & amp; Service = AWSECommerceService & amp; Timestamp = 2010-07-27T23: 17: 57.000Z & amp; Signature = [mySignature]

However, when I use the URL given below to see more than one ASIN, a different ASIN ID than a comma, I get an error

< Pre> http://ecs.amazonaws.com/onca/xml?AWSAccessKeyId= [myAccessKey] & amp; IdType = ASIN & amp; Itemid = B002UD52WQ, B002C0CZEU & amp; Operation = ItemLookup & amp; ResponseGroup = Medium & amp; Service = AWSECommerceService & amp; Timestamp = 2010-07-27T23: 17: 57.000Z & amp; Signature = [mySignature]

Error message:

The request signature we have received does not match the signature you provided. Check your AdWords secret access key and signing method. Consult the service documentation for details

Anyone know why this is happening? thank you in advanced.

The documentation can be found "To view more than one item at a time, a comma separated item identifier."

idiot, but the URL must be encoded in commas. Hope this helps someone out there.


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