How to obtain MeaningCloud API Key for Sentiment analysis?

Updated
June 22, 2020
Meaningcloud is an API that allows you to run advanced sentiment analysis in an easy way. In order to use it in Graphext follow the next steps:
1.- Sign In at https://www.meaningcloud.com/developer/login
2.- Once you logged in, go to the subscription page and copy the license key that is shown there.

3.- Add an API Key into Graphext and run advanced sentiment analysis.
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