Give your connection a name to differentiate it from any accounts you add later on.
Next, enter your API key. You can create it with the following steps:
In New Relic, click on your account name and then on API Keys.
Click Create a key.
Select User as the key type and give your key a name.
Copy the value.
In Geckoboard, paste the API Key into the connection panel.
Select your Data region. You can determine your data region by checking the URL when you're logged into your New Relic account.
If it's
one.euthen it's EU; otherwise it's US.
Click on the Connect button to start creating your New Relic widget.
To connect a different New Relic account to the one you've already connected to Geckoboard, see connect multiple accounts to data sources.