To use the API, send a HTTP POST request to with the "txt" key containing the text you want to classify

You will receive a JSON response of the form:

{ "result": { "sentiment" : "Positive", "confidence" : 3.422451 } }

New! A batch API has been added as the bottleneck for most of you will be in the network latency. To use it send a POST request with a JSON array of the texts you want to classify to You will receive another JSON array of responses (similar to the one above) corresponding to the same order as in the request. The maximum content size can be 1 MB per request.