# Factual API Review

**Author:** kinlane  
**Canonical:** https://apievangelist.com/2011/06/17/factual-api-review/

kinlane-productions2.s3.amazonaws.com [![](https://kinlane-images.s3.amazonaws.com/apievangelist/api-evangelist/factual/factual-logo.png)](http://www.factual.com/)[Factual](http://www.factual.com/) is an open data platform and community, with a goal to maximize data accuracy, transparency, and availability. They provide a marketplace of evolving data on thousands of topics.

Factual provides a RESTful API that returns JSON response, using an application key for authentication. Factual provides full data sets for download, Ruby Gem and IPhone SDK for development.

**Documentation & Tools**

*   [Code Libraries](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=125)
*   [Pricing](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=191)
*   [Privacy](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=165)
*   [Reference & Documentaton](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=120)
*   [Terms of Use / Conditions](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=150)

**Support & Management**

*   [Blog w/ RSS Feeds](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=123)
*   [Dashboard](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=116)
*   [FAQ](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=132)
*   [Twitter](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=159)

**Community**

*   [Forum](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=131)

**Developer**

*   [Account Info](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=199)
*   [App Manager](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=169)
*   [Registration](http://www.apievangelist.com/ecosystem-building-blocks-detail.php?Building_Block_ID=198)

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*   [Etsy API Review](http://apievangelist.com/2011/06/11/etsy-api-review/) (apievangelist.com)
*   [Hunch API Review](http://apievangelist.com/2011/06/13/hunch-api-review/) (apievangelist.com)