Our API directory now includes 39 answers APIs. The newest is the SlimSurveys API. The most popular, in terms of mashups, is the Yahoo Answers API. We list 28 Yahoo Answers mashups. Below you'll find some more stats from the directory, including the entire list of answers APIs.
In terms of the technical details, REST and XML lead the way. There are 26 answers REST APIs and 4 answers SOAP APIs. Our directory lists 20 answers XML APIs and 20 answers JSON APIs.
The most common tags within answers are 12 questions answers APIs, 8 social answers APIs and 7 surveys answers APIs.
On the mashup side, we list 21 answers mashups. We named qabic as mashup of the day in September.
For reference, here is a list of all 39 answers APIs.
4GuysFromRolla.com API: ASP.NET FAQ service
Answerbag API: Questions and answers service
AnswerHub API: Enterprise Q&A Platform
Ask SciPy API: Collaborative question and answer software
Ask500People API: Crowdsource Polling service
ChaCha API: SMS question and answer service
Clearvoice Surveys API: Online survey service
Dooblet API: Alternatives discovery services
Evi API: Internet Answer Service
Examinare API: Online survey service
FixYa API: Question and answer site
Formspring API: Q&A social network
GoPollGo API: Online and mobile polling service
Groove API: Help desk service
HealthTap API: Online health network service
Helpshift API: Mobile app helpdesk service
hiogi API: Questions and answers service for mobile
Hunch API: Questions and answers service
Loquest API: Question and answer service by location
Mancx API: Business question and answer community
OLI-it API: German Q&A service
Omgili API: Search service for user generated content
PollBob API: Poll and survey service
Qhub API: Questions and answers service
Qualtrics API: Online survey service
Questsin API: Thesaurus and answers lookup services
Quetter API: Social Q&A website
Quora API: Question and answer site
RealtyBaron Answers API: Real estate question and answer service
Satisfeo API: Customer satisfaction survey service
SlimSurveys API: Survey creation and management platform
SnappyFingers API: Question and answer search engine
Stack Exchange API: Question and answer site network
Stack Overflow API: Programming question and answer site
True Knowledge API: General question and answers service
Urtak API: Question and answer tool
Yahoo Answers API: Community driven reference service
Yahoo Kimo Knowledge Plus API: Question and answer service
ZOWi API: Spoken question and answer learning software