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ドキュメントAPIsCloud Message QueueAPI 2017Topic ModelMessage APIsBatch publish messages
Batch publish messages
最終更新日:2025-02-12 10:58:54
Batch publish messages
最終更新日: 2025-02-12 10:58:54
Note:
This is a legacy API which has been hidden and will no longer be updated. We recommend using the new CMQ API 3.0 which is standardized and faster.

Interface description

This API (BatchPublishMessage) is used to send publish batch messages (up to 16 messages) to the specified topic.
Domain name requested by public network API: https://cmq-topic-{$region}.api.qcloud.com
Domain name requested by private network API: http://cmq-topic-{$region}.api.tencentyun.com
The above {$region} in the domain name needs to be replaced with a specific region : gz (Guangzhou), sh (Shanghai), bj (Beijing), shjr (Shanghai Financial), szjr (Shenzhen Financial), hk (China Hong Kong), cd (Chengdu), ca (North American), usw (Maxi), sg (Singapore). The region value in the common parameters should be consistent with the region value of the domain name. If there is any inconsistency, the request will be sent to the region specified by the domain name region based on the region value of the domain name.
Note:
At any time (including during internal testing), if the public network downstream Traffic is generated by using a public network domain name, Traffic and cost will be charged. Therefore, users of the service on Tencent Cloud are strongly recommended to use it. Private network Domain name, private network will not produce Traffic cost.

Input Parameter

The following request parameter list only lists the API request parameters. For other parameters, please see Common Request Parameters page.
Parameter name
Required
Type
Description
TopicName
Yes
String
Topic's name is unique under the same account in a single region. The name of topic is a string of no more than 64 characters, which must begin with a letter, and the rest can contain letters, numbers and underscores (-).
MsgBody.n
Yes
String
Message body. Represents a message in this batch. Currently, the number of messages in batch cannot exceed 16.
For the convenience of users, n can start with 0 or 1, but it must be continuous, such as sending two messages, which can be (msgBody.0, msgBody.1) or (msgBody.1, msgBody.2).
Note: since the total size of all messages (excluding headers and other parameters, only msgBody) is limited to 64k, it is recommended to plan the number of batches to be sent in advance.
MsgTag.n
No
String
Message filter tag. Message label (for message filtering). The number of tags cannot exceed 5, and each label cannot exceed 16 characters. and Subscribe The filterTag parameter of the API is used together. Rules:
(1) if filterTag is not set, subscriptions receive all messages from publish to Topic regardless of whether msgTag is set or not.
(2) if the filterTag array has a value, the subscription will receive the message from publish to Topic only if at least one value in the array also exists in the msgTag array (that is, there is an intersection between filterTag and msgTag).
(3) if the filterTag array has a value, but msgTag is not set, then no messages from publish to Topic will be received, which can be regarded as a special case of (2). In this case, filterTag and msgTag do not intersect. The overall design idea of the rules is based on the wishes of the subscribers.
RoutingKey
No
String
Length < = 64 bytes, this field is used to indicate the routing path to send the message, with a maximum of 15 ".", that is, a maximum of 16 phrases.
When a message is sent to a exchange of type topic, it is not optional to specify that the routingKey, needs to meet the above format requirements. A message with routingKey specified by the subscriber will be pushed to all consumers with which the BindingKey can match, which is related in two ways:
1 * (asterisk): can replace a word (a continuous string of letters);
2 # (pound sign): can match one or more characters.

Output Parameter

Parameter name
Type
Description
Code
Int
0: indicates success. Others: error. For more information, please see Common error code .
Message
String
Error message.
RequestId
String
When an internal server error occurs in the request ID, generated by the server, the user can submit this ID to Backend Background to locate the problem.
MsgList
Array
The server generates a unique identification ID list of messages, and each element is the information of a message.
MsgList is defined as follows:
Parameter name
Type
Description
MsgId
String
The server generates a unique identity ID for the message.

Error Codes

Please check Common error code .

Example

Enter:
 https://domain/v2/index.php?Action=BatchPublishMessage
 &topicName=test-topic-123
 &msgBody.1=helloworld1
 &msgBody.2=helloworld2
 &<Common request parameters>
Output:
{
"code" : 0,
"message" : "",
"requestId":"14534664555",
"msgList":
  [
    {
      "msgId":"123345346"
    },
    {
       "msgId":"456436346"
    }
  ]
}

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