SentiRate API

Textrator

Sentiments

Sentiment Analysis

Is this comment positive or negative? Find out the tone.

Text-Processing

Sentiment analysis, stemming and lemmatization, part-of-speech tagging and chunking, phrase extraction and named entity recognition.

Microsoft Text Analytics

The Text Analytics API is a suite of text analytics web services built with best-in-class Microsoft machine learning algorithms. The API can be used to analyze unstructured text for tasks such as sentiment analysis, key phrase extraction and language detection. No training data is needed to use this API; just bring your text data. This API uses advanced natural language processing techniques to deliver best in class predictions.

Zirra

Zirra makes non-traditional data usable for investors to reduce risk, increase return and boost overall educated decisions. Billions of data points, thousands of sources processed daily, powered by AI. **This is a Beta release and has made available 1000 companies included in the Russell 1000 set. Some timeseries are updated intermittently and IDs of companies may change.

Senti

Sentiment analysis. Classifies as positive or negative. Trained with multiple data sets (IMDB, Twitter etc).

Twinword Text Analysis Bundle

One API for all your text analysis needs. Sentiment Analysis, Topic Tagging, Lemmatizer, and much more. Various NLP tools all with one plan. Use natural language processing to analyze and understand human sentences.