First create an account on IBM using your email.
Click here & create your account.
Now Login to your account.
After login Click Here it will redirect you to Speech To Text.
Click on Create.
Then click on manage.
There you will find your API KEY & URL
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Now Set those Var , Values
IBM_WATSON_CRED_PASSWORD = API KEY you got here.
IBM_WATSON_CRED_URL = URL you got here.
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