HTTP AT Command Set

This chapter introduces the HTTP command set. Adaptations may vary across different modules. For details, see Firmware Versions and Feature Differences.

AT+HTTPCLIENTLIN: Send HTTP/HTTPS request (single-line mode)

AT+HTTPRAW: Send HTTP/HTTPS long-text POST request

AT+HTTPCLIENTLIN: Send HTTP client request

Execute Command

Command:

AT+HTTPCLIENTLINE=<transport_type>,<opt>,<content-type>,<host>,<port>,<path>[,<data>]

Response:

Response length:<len> //response body 数据长度
<response> //获取的响应数据
OK

Parameters

<transport_type>: Request protocol.
- 1: HTTP
- 2: HTTPS
<opt>: Request type.
- 2: GET
- 3: POST
<content-type>: Request data type. (Effective for POST only; ignored for GET. Any string may be used; reference types are as follows)
- application/x-www-form-urlencoded
- application/json
- multipart/form-data
- text/xml
- text/html
<host>: Server domain name or IP.
- e.g. www.baidu.com or 192.168.1.100.
<port>: Port number.
- Default: 80 for HTTP, 443 for HTTPS.
<path>: HTTP(S) path.
- Default: “/”
<data>: Data carried in the request.
- 1: When opt is GET, this data is carried in the path and must conform to HTTP format (?key1=value1&key2=value2 …)
- 2: When opt is POST, this is the POST request body.

Description

Initiate an HTTP request.

Example

//GET请求
AT+HTTTPCLIENTLINE=1,2,"application/x-www-form-urlencoded","httpbin.org",80,"/get?key1=123&key2=456"

//POST请求
AT+HTTTPCLIENTLINE=1,3,"application/json","httpbin.org",80,"/post",{"key1": 123}

AT+HTTPRAW: Send HTTP client POST request (with long text)

Execute Command

Command:

AT+HTTPRAW=<transport_type>,<opt>,<content-type>,<host>,<port>,<path>,len

Response:

::

> //After receiving this character, start entering the data to send

OK //After the specified number of bytes is received, data is sent (any data allowed); OK is displayed when transmission completes

Parameters

<transport_type>: Request protocol.
- 1: HTTP
- 2: HTTPS
<opt>: Request type.
- 3: POST
<content-type>: Request data type. (Effective for POST only; ignored for GET. Any string may be used; reference types are as follows)
- application/x-www-form-urlencoded
- application/json
- multipart/form-data
- text/xml
- text/html
<host>: Server domain name or IP.
- e.g. www.baidu.com or 192.168.1.100.
<port>: Port number.
- Default: 80 for HTTP, 443 for HTTPS.
<path>: HTTP(S) path.
- Default: “/”
<len>: Data carried in the request.
- Request data length

Description

Initiate an HTTP request.

Example

AT+HTTPRAW=1,3,"application/json","httpbin.org",80,"/post",13

>{"key1": 123}