MWS 获取所有产品定价

Question

如果你使用Products_GetLowestOfferListingsForASIN方法

http://docs.developer.amazonservices.com/en_US/products/Products_GetLowestOfferListingsForASIN.html

您获得 3 个优惠

<GetLowestOfferListingsForASINResponse
xmlns="http://mws.amazonservices.com/schema/Products/2011-10-01">
<GetLowestOfferListingsForASINResult ASIN="B002KT3XQM" status="Success">
    <AllOfferListingsConsidered>true</AllOfferListingsConsidered>
    <Product xmlns="http://mws.amazonservices.com/schema/Products/2011-10-01"
        xmlns:ns2="http://mws.amazonservices.com/schema/Products/2011-10-01/default.xsd">
        <Identifiers>
            <MarketplaceASIN>
                <MarketplaceId>ATVPDKIKX0DER</MarketplaceId>
                <ASIN>B002KT3XQM</ASIN>
            </MarketplaceASIN>
        </Identifiers>
        <LowestOfferListings>
            <LowestOfferListing>
                <Qualifiers>
                    <ItemCondition>Used</ItemCondition>
                    <ItemSubcondition>VeryGood</ItemSubcondition>
                    <FulfillmentChannel>Merchant</FulfillmentChannel>
                    <ShipsDomestically>True</ShipsDomestically>
                    <ShippingTime>
                        <Max>0-2 days</Max>
                    </ShippingTime>
                    <SellerPositiveFeedbackRating>90-94%</SellerPositiveFeedbackRating>
                </Qualifiers>
                <NumberOfOfferListingsConsidered>1</NumberOfOfferListingsConsidered>
                <SellerFeedbackCount>762</SellerFeedbackCount>
                <Price>
                    <LandedPrice>
                        <CurrencyCode>USD</CurrencyCode>
                        <Amount>32.99</Amount>
                    </LandedPrice>
                    <ListingPrice>
                        <CurrencyCode>USD</CurrencyCode>
                        <Amount>28.00</Amount>
                    </ListingPrice>
                    <Shipping>
                        <CurrencyCode>USD</CurrencyCode>
                        <Amount>4.99</Amount>
                    </Shipping>
                </Price>
                <MultipleOffersAtLowestPrice>False</MultipleOffersAtLowestPrice>
            </LowestOfferListing>
            <LowestOfferListing>
                <Qualifiers>
                    <ItemCondition>New</ItemCondition>
                    <ItemSubcondition>New</ItemSubcondition>
                    <FulfillmentChannel>Amazon</FulfillmentChannel>
                    <ShipsDomestically>True</ShipsDomestically>
                    <ShippingTime>
                        <Max>0-2 days</Max>
                    </ShippingTime>
                    <SellerPositiveFeedbackRating>98-100%</SellerPositiveFeedbackRating>
                </Qualifiers>
                <NumberOfOfferListingsConsidered>1</NumberOfOfferListingsConsidered>
                <SellerFeedbackCount>181744</SellerFeedbackCount>
                <Price>
                    <LandedPrice>
                        <CurrencyCode>USD</CurrencyCode>
                        <Amount>34.27</Amount>
                    </LandedPrice>
                    <ListingPrice>
                        <CurrencyCode>USD</CurrencyCode>
                        <Amount>34.27</Amount>
                    </ListingPrice>
                    <Shipping>
                        <CurrencyCode>USD</CurrencyCode>
                        <Amount>0.00</Amount>
                    </Shipping>
                </Price>
                <MultipleOffersAtLowestPrice>False</MultipleOffersAtLowestPrice>
            </LowestOfferListing>
            <LowestOfferListing>
                <Qualifiers>
                    <ItemCondition>New</ItemCondition>
                    <ItemSubcondition>New</ItemSubcondition>
                    <FulfillmentChannel>Amazon</FulfillmentChannel>
                    <ShipsDomestically>True</ShipsDomestically>
                    <ShippingTime>
                        <Max>0-2 days</Max>
                    </ShippingTime>
                    <SellerPositiveFeedbackRating>95-97%</SellerPositiveFeedbackRating>
                </Qualifiers>
                <NumberOfOfferListingsConsidered>1</NumberOfOfferListingsConsidered>
                <SellerFeedbackCount>13213</SellerFeedbackCount>
                <Price>
                    <LandedPrice>
                        <CurrencyCode>USD</CurrencyCode>
                        <Amount>41.18</Amount>
                    </LandedPrice>
                    <ListingPrice>
                        <CurrencyCode>USD</CurrencyCode>
                        <Amount>41.18</Amount>
                    </ListingPrice>
                    <Shipping>
                        <CurrencyCode>USD</CurrencyCode>
                        <Amount>0.00</Amount>
                    </Shipping>
                </Price>
                <MultipleOffersAtLowestPrice>False</MultipleOffersAtLowestPrice>
            </LowestOfferListing>
        </LowestOfferListings>
    </Product>
</GetLowestOfferListingsForASINResult>
<ResponseMetadata>
    <RequestId>60979901-82af-457b-8bdd-EXAMPLE28478</RequestId>
</ResponseMetadata>

但是如果我访问产品页面：

https://www.amazon.com/gp/offer-listing/B002KT3XQM/ref=olp_page_1?ie=UTF8&f_new=true

我看到 13 个报价。

13个offer都可以拿到吗？

Answer 1

GetLowestOfferListingsForASIN 调用为每组所谓的 "Qualifiers" 提供一个结果。您的示例显示了三组不同的此类限定符：

Used-VeryGood->Merchant->True->0-2 days->90-94% 32.99 美元（含运费）
New->New->Amazon->True->0-2 天->98-100% 34.27 美元
New->New->Amazon->True->0-2 天->95-97% 41.18 美元

令我困惑的是，没有显示新的 "Merchant" 报价，而我真的认为它们应该：

New->New->Merchant->True->0-2 days->98-100% 将是不同的第四组限定符。

您真正想要的似乎是一个不同的调用：GetLowestPricedOffersForASIN returns 一个 ASIN 最多 20 个不同的报价。

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