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PO"Invalid Service Parameter" from Amazon Product Advertising API
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2011-01-12T00:39:23.560
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I'm working on a website that is highly tied to Amazon's Product Advertising API. We're using the <code>CartCreate</code> operation to send our users over to Amazon to add books that they've found on our site over to <a href="http://amazon.com" rel="nofollow">Amazon.com</a> to complete their purchase. Over the last two hours or so, the <code>CartCreate</code> operation has ceased to function for us. Here's an example request. <pre><code>GET ecs.amazonaws.com/onca/xml? AWSAccessKeyId=XXXXX &AssociateTag=XXXXX &Item.1.OfferListingId=ZtjdY2eWnf3lmAPcG%252FvpjeLlkWjkvzIx%252F83ChfeC%252Bb%252FKBTIH2o6A%252FAiDT6LFHA%252BgIge9llxK7AnvmFtz6qlpXqFBC2%252FHN09XTMbhXaBRdEDrxfL0znQIHj8BlJN%252B1%252F%252BQ634mTrEZCao%253D &Item.1.Quantity=1 &MerchantId=All &Operation=CartCreate &Service=AWSECommerceService &Timestamp=2011-01-11T23%3A58%3A05Z &Version=2010-11-01 &Signature=DCNKITwBIvJHJiPFTFWTjJTPY763iM5v9J2FgJmnVaU%3D </code></pre> This worked perfectly up until about 3:00pm PST. I would get an XML response with a Cart.PurchaseURL parameter to direct the user's to complete the checkout. Now, I'm getting this: <pre><code><Errors> <Error> <Code>AWS.InvalidServiceParameter</Code> <Message>The Service parameter is invalid. Please modify the Service parameter and retry.</Message> </Error> </Errors> </code></pre> You can see that the <code>Service</code> parameter is included in my request. Has Amazon changed the API over the last hour, or is there some new documentation that I'm not taking into account? Help is much appreciated, thanks! Dan
Tags
<xml><api><rest><amazon><amazon-product-api>
Title
"Invalid Service Parameter" from Amazon Product Advertising API
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