You can run the following commands in your ruby script to test whether you have successfully installed the client package. Don’t forget, you will need your API key to make your first call. In the code below replace YOUR_API_KEY with your personal API key (the 32-digit alphanumeric sequence assigned to you when you registered with indico). You should get back a number between 0 and 1.
Indico.api_key = 'YOUR_API_KEY'
# single example
Indico.sentiment("I love writing code!")
# batch example
"I love writing code!",
"Alexander and the Terrible, Horrible, No Good, Very Bad Day"
# single output
# batch output