Stephen here from Lambda Labs. For sample code and a graphical demo, check out http://api.lambdal.com/docs. Our API provides face recognition, face detection, eye position, nose position, mouth position, and gender classification. If you have any questions ask! Just send an email to [email protected] Happy Hacking! -Stephen
Rapleaf's Personlization API provides rich demographic data about email addresses in real-time. You will need an Rapleaf API key in order to use this service. You can get one (for free) here: https://www.rapleaf.com/developers/api_access. With an API key, you will have free, unlimited access to age, gender, and city/state/country data. Additionally, we provide many other premium fields for a small price. Please visit our website or email us at [email protected] to get more info on pricing and our premium fields.