Silent install of non-Play Store (local) APKs on Google EMM managed devices

Hi everyone,

I'm looking for a way to silently install a local APK (not distributed via managed Google Play) on devices managed through Google EMM (Android Enterprise), without any user interaction.

On my devices, the Device Owner is Google's own DPC (CloudDPC). I can install apps via AMAPI, but it requires a signature.

Is there any way to install apps without the signature requirement — for example, through my own app instead of going through AMAPI / managed Google Play?

In other words: with CloudDPC as the Device Owner, can a third-party app perform a silent install on its own, bypassing the AMAPI signature check?

Thanks!