Yahoo! _ Answers Webサービスは実際にはSOAPではありませんが、RESTベースです。
たとえば、質問検索方法のドキュメントを参照してください。「経済学」のサンプル検索の場合、呼び出しは次のようになります。
http://answers.yahooapis.com/AnswersService/V1/questionSearch?appid=your-appid-here&query=economics
これは(スニペット)を返します:
<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
<ResultSet xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:yahoo:answers" xsi:schemaLocation="urn:yahoo:answers http://answers.yahooapis.com/AnswersService/V1/QuestionResponse.xsd">
<Question id="20080829001109AAOc4h9" type="Answered">
<Subject>Economics...?? ?</Subject>
<Content>HSC economics? i have a choice to do economics and i really have no idea what it's about, i am aware it is about money and finance however i am a bit vague with the subject, can any one shed some light on the subject??
thanks for your help.
</Content>
<Date>2008-08-29 00:11:09</Date>
<Timestamp>1219993869</Timestamp>
<Link>http://answers.yahoo.com/question/?qid=20080829001109AAOc4h9</Link>
<Category id="396545359">Higher Education (University +)</Category>
<UserId>LJHkcrxcaa</UserId>
<UserNick>Sam</UserNick>
<UserPhotoURL></UserPhotoURL>
<NumAnswers>2</NumAnswers>
<NumComments>1</NumComments>
<ChosenAnswer>Most people misunderstand what Economics is all about. It is not particularly similar to accounting or finance. Businessmen can benefit from understanding it, but it is not "business." Rather, Economics is a Social Science concerned with understanding how humans allocate scare resources. What goods and services do we produce? How much of each good or service do we produce? Who does the producing, and who does the consuming? Do we ever choose not to produce (for example in order to conserve a natural resource because we value it for it's own sake)? How do we decide these things? Etc. That is what Economics is about. I personally find it a very interesting subject, though it takes some effort at first.</ChosenAnswer>
<ChosenAnswererId>Gjj5eCG6aa</ChosenAnswererId>
<ChosenAnswererNick>RCM</ChosenAnswererNick>
<ChosenAnswerTimestamp>1220067546</ChosenAnswerTimestamp>
<ChosenAnswerAwardTimestamp>1226969668</ChosenAnswerAwardTimestamp>
</Question>
...
</ResultSet>
このルートを利用する場合は、AppIDキーにサインアップする必要があります。これにより、レート制限の問題を回避できます。
もう1つの優れた代替手段(より将来性のあるもの)は、次のようなサンプルクエリを使用して、YQLを介してAnswersAPIにアクセスすることです。
select * from answers.search where query="economics"