Availability Parameter Restrictions and Constraints
Availability parameter carries with it a restriction
and some constraints. The restriction is that the
Availability parameter cannot be used with the Blended search
index. When the Availability parameter is set to "Available", the only optional
constraint that can be present is MerchantId=Amazon.
|MerchantId||An optional parameter that can be used to filter search results and offer listings to only include items sold by Amazon. By default, the API will return items sold by various merchants including Amazon. The only valid optional value for MerchantId is "Amazon".|