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

An AI service from Microsoft Azure that enables you to unlock insights from natural language text using sentiment analysis, named entity recognition, language detection, and key phrase extraction in multiple languages

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.

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.