Send Data with sim808 - arduino - gsm - gprs

Hi everyone!

Im trying to send data to google sheets by pushingbox and sim808, im using AT commands firstly. So, i send this comands:

AT+SAPBR=3,1,"Contype","GPRS"


OK
AT+SAPBR=3,1,"APN","www"


OK
AT+SAPBR=2,1


+SAPBR: 1,1,"100.108.175.45"

OK
AT+HTTPPARA="CID",1


OK
AT+HTTPPARA="URL","api.pushingbox.com"


OK


AT+HTTPPARA="CONTENT","/pushingbox?devid=<MY DEVID>"


ERROR

I connect with the pushingbox but i cant send data, how can i fix that? Thanks guys!