Are you missing iMessage contacts in the Beeper Android app?
iMessage Support
Beeper stopped support for iMessage in December 2023. The team is working to bring it back but for Beeper Desktop for macOS users. Meantime, please rely on your Apple devices for this chat network.
Are you missing iMessage contacts in the Beeper Android app?
Though this feature is unavailable/unsupported in the Beeper Android app, and Beeper doesn't have an ETA for an update.