Amazon Product API with R

Question

I would like to use R to send requests to the Amazon Product API service.

Is there a way to authenticate and query the Amazon Product API with R without getting the

Answer 1

I am new and I don't have enough "rep" to comment, but in Micha's answer there needs to be a comma after Signature in this area (I have added the comma):

AmazonURL <- paste(base.html.string,
         'AWSAccessKeyId=', AWSAccessKeyId,
         '&AssociateTag=', AssociateTag,
         '&Keywords=', Keywords,
         '&Operation=',Operation,
         '&ResponseGroup=',ResponseGroup,
         '&SearchIndex=', SearchIndex,
         '&Service=AWSECommerceService',
         '&Timestamp=', Timestamp,
         '&Version=', version.request,
         '&Signature=', Signature,
         sep = '')