You can see it under metrics in developer portal of the app.
Go to Sprintr > Choose app > Go to Metrics on the menu on the left.
The metrics overview that Kshitij mentioned starts in Day-view but also has week, month and year views:
If your client wants/needs a healthcheck to prove the uptime-percentage, this will do.
If your client needs more, then you can configure your own healthcheck as described here: https://docs.mendix.com/refguide/monitoring-mendix-runtime#check-health
And it will show up in sprintr on the page Alerts:
Large companies: Big technology companies https://mlsdev.com/services/it-staff-augmentation, big banks, and other large organizations typically deal with large software development firms. However, you can find smaller, midsize companies as well, which handle smaller, isolated projects. Your choice will ultimately depend on the size of your project. A midsize company is best for smaller projects, and a small one will handle smaller, isolated projects. Regardless of the size of your project, there are several steps to consider when selecting a software development firm.