GET https://sandbox.mont.ru/version2/Service/B2BServiceV2Xml.svc/GetAllVendors

<?xml version="1.0" encoding="utf-8"?>
<GetAllVendorsResponse xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <GetAllVendorsResult>
        <Data>
            <VendorContract>
                <Code>ABBYY</Code>
                <VendorName>ABBYY</VendorName>
            </VendorContract>
            <VendorContract>
                <Code>DrWeb</Code>
                <VendorName>Доктор Веб</VendorName>
            </VendorContract>
            <VendorContract>
                <Code>EASPORT</Code>
                <VendorName>Electronic Arts</VendorName>
            </VendorContract>
            <VendorContract>
                <Code>GiftCard</Code>
                <VendorName>Дарить Легко</VendorName>
            </VendorContract>
            <VendorContract>
                <Code>LABK</Code>
                <VendorName>Лаборатория Касперского</VendorName>
            </VendorContract>
            <VendorContract>
                <Code>MS</Code>
                <VendorName>Microsoft</VendorName>
            </VendorContract>
            <VendorContract>
                <Code>VP</Code>
                <VendorName>Виртуальный поставщик</VendorName>
            </VendorContract>
        </Data>
        <IsError>false</IsError>
        <ErrorCode>0</ErrorCode>
        <Errors/>
    </GetAllVendorsResult>
</GetAllVendorsResponse>

https://sandbox.mont.ru/version2/service/B2BServiceV2.svc

<GetAllVendors>
  <MethodParameters>
    <Void />
  </MethodParameters>
</GetAllVendors>

<GetAllVendors>
  <MethodParameters>
    <WebStoreResponseContractOfArrayOfVendorContractAlnJXhXd>
      <Data attr0="VendorContractArray" isNull="false">
        <VendorContractArray0>
          <Code>ABBYY</Code>
          <VendorName>ABBYY</VendorName>
        </VendorContractArray0>
        <VendorContractArray1>
          <Code>DrWeb</Code>
          <VendorName>Доктор Веб</VendorName>
        </VendorContractArray1>
        <VendorContractArray2>
          <Code>EASPORT</Code>
          <VendorName>Electronic Arts</VendorName>
        </VendorContractArray2>
        <VendorContractArray3>
          <Code>GiftCard</Code>
          <VendorName>Дарить Легко</VendorName>
        </VendorContractArray3>
        <VendorContractArray4>
          <Code>LABK</Code>
          <VendorName>Лаборатория Касперского</VendorName>
        </VendorContractArray4>
        <VendorContractArray5>
          <Code>MS</Code>
          <VendorName>Microsoft</VendorName>
        </VendorContractArray5>
        <VendorContractArray6>
          <Code>VP</Code>
          <VendorName>Виртуальный поставщик</VendorName>
        </VendorContractArray6>
      </Data>
      <ErrorCode>0</ErrorCode>
      <ErrorText isNull="true" />
      <Errors attr0="ErrorContractArray" isNull="false" />
      <IsError>False</IsError>
    </WebStoreResponseContractOfArrayOfVendorContractAlnJXhXd>
  </MethodParameters>
</GetAllVendors>