ESP8266 AT Commands

This table contains all the AT commands for the official ESP8266 firmware used by Uzenet(x.xx.xxx). Responses are described for operations success/operation failure/bad AT format, in that order.

Most up to date command listing can be found here.

Commands	Description	Type	Set/Execute	Inquiry	Test	Parameters	Examples	Response
AT+RST	restart the module	basic	-	-	-	-	-	-
AT+GMR	get firmware version	basic	AT+GMR	-	-	-	-	0018000902-AI03
AT+CIOBAUD	set module baud rate	basic	AT+CIOBAUD=<baud rate>	AT+CIOBAUD?	-	Baud rate. Factory value is 9600. Set to 57600 for Uzebox.	AT+CIOBAUD=57600	BAUD->57600 OK, then garbage since the module has switched to the new baud rate.
AT+CWQAP	quit the AP	wifi	AT+CWQAP	-	AT+CWQAP=?	-	-	-
AT+CWLAP	list available APs	wifi	AT+CWLAP	-	-	-	-	-
AT+CWSAP	set wifi login credentials	wifi	AT+ CWSAP= <ssid>,<pwd>,<chl>, <ecn>	AT+ CWSAP?	-	ssid, pwd, chl = channel, ecn = encryption	Connect to your router: AT+CWJAP="YOURSSID","YOURPASSWORD"; and check if connected: AT+CWJAP?	-
AT+CWJAP	join the AP	wifi	AT+ CWJAP =<ssid>,< pwd >	AT+ CWJAP?	-	AT+CWJAP="WifiName","WifiPass" MAX 64 bytes long	-	-
AT+CWMODE	wifi mode	wifi	AT+CWMODE=<mode>	AT+CWMODE?	AT+CWMODE=?	1= Sta, 2= AP, 3=both	-	-
AT+CIPSTART	start a TCP or UDP connection	TCP/IP	1)single connection (+CIPMUX=0) AT+CIPSTART= <type>,<addr>,<port>; 2) multiple connection (+CIPMUX=1) AT+CIPSTART= <id><type>,<addr>, <port>	-	AT+CIPSTART=?	id = 0-4, type = TCP/UDP, addr = IP address, port= port	Connect to another TCP server, set multiple connection first: AT+CIPMUX=1; connect: AT+CIPSTART=4,"TCP","X1.X2.X3.X4",9999	-
AT+CIPSEND	send data over connection(id)	TCP/IP	1)single connection(+CIPMUX=0) AT+CIPSEND=<length>; 2) multiple connection (+CIPMUX=1) AT+CIPSEND= <id>,<length>	-	AT+CIPSEND=?	-	send data: AT+CIPSEND=4,15 and then enter the data MAX 2048 bytes	-
AT+CIPCLOSE	close connection(id)	TCP/IP	AT+CIPCLOSE=<id> or AT+CIPCLOSE	-	AT+CIPCLOSE=?	-	-	-
AT+CIFSR	list the local IP address	TCP/IP	AT+CIFSR	-	AT+ CIFSR=?	-	-	-
AT+CIPSTATUS	get the connection status	TCP/IP	AT+ CIPSTATUS	-	-	-	-	-
AT+CIPSERVER	set as server/listen()	TCP/IP	AT+ CIPSERVER= <mode>[,<port> ]	-	-	mode 0 to close server mode, mode 1 to open; port = port	turn on as a TCP server: AT+CIPSERVER=1,8888, check the self server IP address: AT+CIFSR=?	-
AT+CIPMUX	set multiple connections mode	TCP/IP	AT+ CIPMUX=<mode>	AT+ CIPMUX?	-	0 for single connection 1 for mutiple connection	-	-
AT+CWLIF	get IP's of devices connected to AP	TCP/IP	AT+CWLIF	-	-	returns ip addresses of all devices connected to softAP(module as AP or STA+AP)	-	-
AT+CIPSTO	set server timeout(listen wait time)	TCP/IP	AT+CIPSTO=<timeout>	AT+CIPSTRO?	-	-	-	automatic query response:"+CIPSTO:<timeout>
AT+CIPUPDATE	update firmware over network	TCP/IP	AT+CIPUPDATE	-	-	-	-	automatic response:"+CIPUPDATE:<version found>1\n2\n3\n4\n
AT+GSLP	put module into deep sleep	basic	AT+GSLP=<millisecs>	-	-	-	-	module will sleep and wake up after <millisecs> milliseconds, not all versions pins are setup for this.
AT+CIPSTAMAC	set MAC address of STAtion	wifi	AT+CIPSTAMAC=<mac>	-	-	-	-	automatic query response:+CIPSTAMAC:<mac>, ex:AT+CIPSTAMAC="18:aa:35:97:d4:7b"
AT+CIPAPMAC	set MAC address of softAP	wifi	AT+CIPAPMAC=<mac>	-	-	-	-	automatic query response:+CIPAPMAC:<mac>, ex:AT+CIPSTAMAC="18:aa:35:97:d4:7b"
AT+CIPSTA	set IP address of STAtion	wifi	AT+CIPSTA=<ip>	-	-	-	-	automatic query response:+CIPSTA:<ip>, ex:AT+CIPSTA="192.168.101.108"
AT+CIPAP	set IP address of softAP	wifi	AT+CIPAP=<ip>	-	-	-	-	automatic query response:+CIPAP:<ip>, ex:AT+CIPAP="192.168.101.108"
+IPD	received packet header, received data follows	basic	receive only	-	-	-	-	"+IPD,x,y:recv_bytes\r\n" where x is the connection it's from and y is the number of bytes