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The parameters in the following table can be used optionally in any Product Advertising API request.
| Parameter | Value | Description |
|---|---|---|
| MerchantId | An optional parameter that can be used to filter search results and offer listings to include only items sold by Amazon. By default, the API will return items sold by various merchants including Amazon. | The only valid optional value is “Amazon”. |
| ResponseGroup | Various | Specifies what subset of data to return. The API Reference Guide specifies the response groups that can be used with each operation.. |
| Version | Various | Version of the Product Advertising API 4.0 WSDL. The default is 2011-08-01. If you want another version, including the latest, you must specify it in your request. |