Steps
1
Log into Daydream Playground
Go to Daydream Playground and log in with your credentials.
If you do not have an account, sign up for one and sign in.
2
Access the API Dashboard
Click on the button on the top left corner that say 
</> API Dashboard.3
Create API Key
Click on the 
+ New API Key button on the top right corner of the page4
Name the API Key
When the 
+ New API Key button is select, you will be prompted to name the API key. Provide the name for the api key and select the Generate Key button.5
Generate the API Key
Copy the api key and select the 
Done buttonCopy this key now. You will NOT be able to see this API key again.
6
Verify API Key Creation
Once you created the API key, you should see it added to the API Key’s dashboard.