HTTP POST sim900a

Hi all. I want to send data to web server using sim900a. But when i using “AT+CIPSEND” +format command post, it alway respon error 400. help me
HTTP/1.1 400 Bad Request
Content-Type: text/html; charset=us-ascii
Server: Microsoft-HTTPAPI/2.0
Date: Wed, 20 Sep 2017 03:44:43 GMT
Connection: close
Content-Length: 339

Bad Request

Bad Request - Invalid Header


HTTP Error 400. The request has an invalid header name.

AT+CIPSEND is for TCP/IP protocol.

i suggest to use HTTP protocol because i have faced same problem in TCP/IP protocol.

kajal27:
AT+CIPSEND is for TCP/IP protocol.

i suggest to use HTTP protocol because i have faced same problem in TCP/IP protocol.

hi.Can you give me a example

i hope this will help you.