DuckDuckGo Zero-click Info includes topic summaries, categories, disambiguation, official sites, !bang redirects, definitions and more. You can use this API for many things, e.g. define people, places, things, words and concepts; provides direct links to other services (via !bang syntax); list related topics; and gives official sites when available.
The multilingual sentiment analysis API (with exceptional accuracy, 83.4% as opposed to industry standard of 65.4%, and available in Mandarin) from classifies social media texts as positive or negative, with a free daily allowance to get you started. The system uses advanced statistical models (machine learning & NLP) trained on social data, meaning the detection can handle slang, common misspellings, emoticons, hashtags, etc. You can use this API for free. If you require more flexibility and larger scale you can move up to a paid-for plan. Please note: The free plan offers 500 statuses classified per day - any use over this will be charged for. If you are using more than 500 statuses per day it is more cost effective to upgrade to one of the low cost, paid-for plans or contact us direct for an Enterprise offering.
Generate Word Clouds from blocks of text. Multi color and different sizes illustrate the frequency, and the "vibe" of the bigger text. Try it with blog posts, article text, speeches, tweet histories, emails, or any other written word.
Mopapp tracks & analyzes the sales and downloads of your mobile apps. It automatically integrates with iTunes App Store, Android Market, WP7 Markerplace, BlackBerry App World, Amazon Appstore, GetJar, Handango, and MobiHand. This API can be used to programmatically export sales (to be analyzed in your own systems), or to insert new ones.
The Developer version of the World Time Engine API. This API is suitable for small to medium scale projects. If you need more queries per month than we provide via this version of our API then you should check out the enterprise version of this API, also available at the link above.