HTTP-Based Device Connection

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最終更新日: 2024-12-27 15:44:26

Parameter Description
When a device reports a message, it needs to carry ProductId, DeviceName, and TopicName to initiate an http/https request to the platform. The request API and parameters are as detailed below:
Requested URL:
https://ap-guangzhou.gateway.tencentdevices.com/device/publish
http://ap-guangzhou.gateway.tencentdevices.com/device/publish
Request method: POST
Request parameters
Parameter
Required
Type
Description
ProductId
Yes
String
Product ID
DeviceName
Yes
String
Device name
TopicName
Yes
String
Name of the topic for publishing the message
Payload
Yes
String
Content of the published message
PayloadEncoding
No
String
Encoding for the published message. Currently, only Base64-encoding is supported. If this parameter is left empty, the original message content will be sent.
Qos
Yes
Integer
Message QoS level
Note: 
 The API only supports the application/json format.
Signature generation
There are two types of signatures for request messages. Key authentication uses the HMACSHA256 algorithm, and certificate authentication uses the RSA_SHA256 algorithm. For more information, please see Signature Algorithm.
Platform response parameters
Parameter
Type
Description
RequestId
String
Request ID
Sample Code
Request packet
POST https://ap-guangzhou.gateway.tencentdevices.com/device/publish
Content-Type: application/json
Host: ap-guangzhou.gateway.tencentdevices.com
X-TC-Algorithm: HmacSha256
X-TC-Timestamp: 155****065
X-TC-Nonce: 5456
X-TC-Signature: 2230eefd229f582d8b1b891af7107b915972407****78ab3738f756258d7652c
{"DeviceName":"AAAAAA","Payload":"123","ProductId":"G8N****AHB","Qos":1,"TopicName":"G8N****AHB/AAAAAA/data"}
Response packet
{
  "Response": {
    "RequestId": "f4da4f1f-d72e-40f1-****-349fc0072ba0"
  }
}
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tencent cloud

IoT Hub

HTTP-Based Device Connection

Parameter Description

Request parameters

Signature generation

Platform response parameters

Sample Code

Request packet

Response packet

ヘルプとサポート

Parameter	Required	Type	Description
ProductId	Yes	String	Product ID
DeviceName	Yes	String	Device name
TopicName	Yes	String	Name of the topic for publishing the message
Payload	Yes	String	Content of the published message
PayloadEncoding	No	String	Encoding for the published message. Currently, only Base64-encoding is supported. If this parameter is left empty, the original message content will be sent.
Qos	Yes	Integer	Message QoS level