To give your user an entirely free, zero-friction API key, send a POST request with curl to 

> curl -X POST "https://manage.staging.deepgram.com/v1/auth/preview/?pw=5a7e8a44-3927-47c2-83a3-19cb75dc43ca"
> {
>   "access_token": "TOKENHERE",
>   "expires_in": 3600
> }