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Amazon MWS (Amazon Marketplace Web Service)Advent Calendar 2017

Day 8

MWS ASINを指定して最安値を取得する

Last updated at Posted at 2017-11-04

はじめに

商品の最安値を調べるってのはリサーチの基本だよね。

今回はASINを指定して最安値を取得するアクションの紹介をしようと思う。

知ってるよそんなのって人も復習がてら見ていったらいいんじゃないか

どれ使う?

Action:GetLowestOfferListingsForASIN

Products_GetLowestOfferListingsForASIN

Response:XML

何個か似たようなのがあるけど今回はGetLowestOfferListingsForASINを使う。

パラメータ

MarketplaceId:取得したいプラットフォームのID。

ASINList:取得したい商品のASIN(最大20個/リクエスト)。

     → ASINList.ASIN.1=...ASINList.ASIN.2=...みたいな感じで指定

ItemCondition:NewとかUsedとか。デフォルトはALL。

レスポンス

MarketplaceId:JP

ASIN:B01HNORGS4

ItemCondition:New

の情報。

<?xml version="1.0"?>
<GetLowestOfferListingsForASINResponse xmlns="http://mws.amazonservices.com/schema/Products/2011-10-01">
<GetLowestOfferListingsForASINResult ASIN="B01HNORGS4" status="Success">
  <AllOfferListingsConsidered>false</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>A1VC38T7YXB528</MarketplaceId>
        <ASIN>B01HNORGS4</ASIN>
      </MarketplaceASIN>
    </Identifiers>
    <LowestOfferListings>
      <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>10</NumberOfOfferListingsConsidered>
        <SellerFeedbackCount>267</SellerFeedbackCount>
        <Price>
          <LandedPrice>
            <CurrencyCode>JPY</CurrencyCode>
            <Amount>14560.00</Amount>
          </LandedPrice>
          <ListingPrice>
            <CurrencyCode>JPY</CurrencyCode>
            <Amount>14560.00</Amount>
          </ListingPrice>
          <Shipping>
            <CurrencyCode>JPY</CurrencyCode>
            <Amount>0.00</Amount>
          </Shipping>
        </Price>
        <MultipleOffersAtLowestPrice>False</MultipleOffersAtLowestPrice>
      </LowestOfferListing>
      <LowestOfferListing>
        <Qualifiers>
          <ItemCondition>New</ItemCondition>
          <ItemSubcondition>New</ItemSubcondition>
          <FulfillmentChannel>Merchant</FulfillmentChannel>
          <ShipsDomestically>True</ShipsDomestically>
          <ShippingTime>
            <Max>0-2 days</Max>
          </ShippingTime>
          <SellerPositiveFeedbackRating>90-94%</SellerPositiveFeedbackRating>
        </Qualifiers>
        <NumberOfOfferListingsConsidered>3</NumberOfOfferListingsConsidered>
        <SellerFeedbackCount>342</SellerFeedbackCount>
        <Price>
          <LandedPrice>
            <CurrencyCode>JPY</CurrencyCode>
            <Amount>14750.00</Amount>
          </LandedPrice>
          <ListingPrice>
            <CurrencyCode>JPY</CurrencyCode>
            <Amount>14400.00</Amount>
          </ListingPrice>
          <Shipping>
            <CurrencyCode>JPY</CurrencyCode>
            <Amount>350.00</Amount>
          </Shipping>
        </Price>
        <MultipleOffersAtLowestPrice>False</MultipleOffersAtLowestPrice>
      </LowestOfferListing>
      <LowestOfferListing>
        <Qualifiers>
          <ItemCondition>New</ItemCondition>
          <ItemSubcondition>New</ItemSubcondition>
          <FulfillmentChannel>Merchant</FulfillmentChannel>
          <ShipsDomestically>True</ShipsDomestically>
          <ShippingTime>
            <Max>0-2 days</Max>
          </ShippingTime>
          <SellerPositiveFeedbackRating>95-97%</SellerPositiveFeedbackRating>
        </Qualifiers>
        <NumberOfOfferListingsConsidered>2</NumberOfOfferListingsConsidered>
        <SellerFeedbackCount>58474</SellerFeedbackCount>
        <Price>
          <LandedPrice>
            <CurrencyCode>JPY</CurrencyCode>
            <Amount>16291.00</Amount>
          </LandedPrice>
          <ListingPrice>
            <CurrencyCode>JPY</CurrencyCode>
            <Amount>15941.00</Amount>
          </ListingPrice>
          <Shipping>
            <CurrencyCode>JPY</CurrencyCode>
            <Amount>350.00</Amount>
          </Shipping>
        </Price>
        <MultipleOffersAtLowestPrice>False</MultipleOffersAtLowestPrice>
      </LowestOfferListing>
    </LowestOfferListings>
  </Product>
</GetLowestOfferListingsForASINResult>
<ResponseMetadata>
  <RequestId>6bff571a-3240-49d3-8309-dd08731d6249</RequestId>
</ResponseMetadata>
</GetLowestOfferListingsForASINResponse>

LowestOfferListingsForASINResponse

出品商品グループごとの、最も安い出品の価格情報がXMLで取得できる。

以下ぱっと見わからなさそうな要素のざっくりな説明。

FulfillmentChannel:AmazonがFBA

ShipsDomestically:Trueで国内発送

LandedPrice:商品価格+送料

MultipleOffersAtLowestPrice:Trueで同価格で他のセラーが存在する←知らなんだ

それだけー

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