I can't to receive API frame in my laptop from a xbee chip connected with a PSoC board.

I’m using xbee chips to connect laptop with PSoC board. In AT mode i can send commands from my protocol and i receive responses correctly. But when i do same in API mode, i don’t receive the responses, even if the processing command is correct in PSoC. Someone know what can i do wrong? Need i to control CTS and RTS pins?

Flow control is not necessary by default (RTS can be enabled.) Are you formatting all the commands in API frames at both ends? Does your PSoC decode the resultant API frames successfully?

Yes for both questions.