This sentiment analysis API allows you to get Sentiment for a sentence using GET and POST methods.
Use these or any latest version if you already have installed. Flask==1.1.1 nltk==3.4.5
Using GET method -
http://127.0.0.1:5000?q="Text String to check Sentiment."
Using POST method -
curl http://127.0.0.1:5000 -d "q='Text String to check Sentiment.'"
or use in a web based form and send POST request.
Output is JSON based which is as follows -
{"sentiment":"Negative"}
or
{"sentiment":"Positive"}