The following request shows how to find a list ID.
http://ecs.amazonaws.com/onca/xml? Service=AWSECommerceService& AWSAccessKeyId=[AWS Access Key ID]
& Operation=ListSearch
& ListType=WishList& Name=John%20Smith& ResponseGroup=ListInfo
The following is a snippet from the response to this request: The list ID is returned on the second line. The response also shows how the list ID is part of the list's URL, as shown in the value of the ListURL element.
<List> <ListId>BR4444442H77</ListId> <ListURL> http://www.amazon.com/gp/registry/BR4444442H77 </ListURL> <ListType>WishList</ListType> <TotalItems>70</TotalItems> <TotalPages>7</TotalPages> <DateCreated>1999-10-06</DateCreated> <CustomerName>John Smith</CustomerName> </List>