RAK3172 + RUI3 + BLE

Hi,

Greetings!

Is below API supports RAK3172?

Please guide.

Regards,

Dinesh

The RAK3172 does not have BLE. It is based on the STM32WLE5 which has only a LoRa transceiver.
Only the RAK4630/RAK4631-R with the nRF52 MCU has built in BLE and support the BLE API.