When you try to connect New Relic to Trelica you will be asked for the New Relic API Key. This article shows you how to find and manage your New Relic API keys.
Login to New Relic, and click the Profile icon at the top right of the page.
Choose Account settings:
Under the Integrations section, click API keys:
In the Admin user's API keys section, click the refresh icon to regenerate an API key:
In Trelica, connect to New Relic, and enter the API Key you just generated: