Xbee not being recognized in API Mode

I have been using Xbees in AT mode with success, but now that I wrote the xbees to API mode they aren’t being read by XCTU… Is there a way I can hard reset them or something? How can I solve this, and prevent this from further happening again? Thanks,

Marco

Does anyone know of a solution to this?

Anything at all?

Nothing? Did I just completely mess everything up?

which xbee your using? and what is the part number of the module

I have an Xbee S2… Where do I find the part number?