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 firstname.lastname@example.org to get more info on pricing and our premium fields.
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.
Get a better translation! MyMemory is the world's largest Translation Memory. It contains billions of words translated by professional translators. MyMemory will give you a machine translation (Google, Microsoft or our) only when a human translation is not available.
Sentiment analysis, stemming and lemmatization, part-of-speech tagging and chunking, phrase extraction and named entity recognition.
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.
lambda Paid Usage
A computer vision api for facial recognition and facial detection that is a perfect face.com replacement. We currently have a free api for face detection.
Viralheat sentiment is free API and allows users to submit short chunks of text for sentiment scoring.
jmillerdesign Paid Usage
This translates text to ERMAHGERD. See demo: http://ermahgerd.jmillerdesign.com/