...
The user who has created a custom dashboard can generate an embedded URL and share the link. The embedded URL gives access over to live report data in read-only mode to the users who do not have direct access to the QMetry application (i.e. Ability to view custom dashboard without any authentication). This link can be used to share the dashboard with other users or for integration with third-party integrations.
...
Go to the QMetry Custom Dashboard > My Dashboard > select the dashboard that you would like to share.
Click on Open the Share Dashboard icon, the Edit Dashboard screen. The screen opens with two the three tabs on it: Users, Project/Role and Embedded URL.
Open the Embedded URL tab.
Click Generate to generate the embedded URL.
...
It is to be noted that the URL remains valid and active unless it is regenerated or deleted.
...
Steps to use Embedded URL in Jira Dashboard through iFrame
...