Watson Developer Cloud
Bring the power of cognitive computing to your apps. From analyzing images and video to gaining insights from text, discover how language, vision, speech and data APIs from Watson Developer Cloud can help you solve complex problems. Here is a sample of Watson Developer Cloud offerings. View all services to see all the Watson APIs available now on Bluemix.
Featured API
Try out Watson Personality Insights
The IBM Watson Personality Insights service uses linguistic analytics to extract cognitive and social characteristics including Big Five personality traits, values, and needs from communications that users makes available, such as e-mail, text messages, tweets, forum posts, and more. By deriving cognitive and social preferences, the service helps users to understand, connect to, and communicate with other people on a more personalized level.
Copy the API call that follows into your app to test-drive Watson Personality Insights with a free, limited key.

See Watson Personality Insights in action
Your Celebrity Match
The Your Celebrity Match app uses Watson's powerful Personality Insights service to analyze your personality based on your last 2,300 tweets. It then compares your personality to a range of 232 of your favorite celebrities to show you who you're most and least similar to and how closely you match on a range of traits.
How the Your Celebrity Match app works

You input your Twitter handle.

Calls the Twitter API to get the latest 2300 tweets from your public feed.

Calls the Personality Insights API to analyze the language in your tweets and apply it to a spectrum of characteristics.

Compares your Personality Insights profile to 232 celebrity profiles analyzed with the service.

Sorts your matches and shows you the highest and lowest. These are calculated by the Euclidean distance between the two.