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doc-exports/docs/dms_rocketmq/api-ref/SendMessageForRocketMq.html
chenjunjie 719d8b18de RocketMQ API 20250723 version
Reviewed-by: Ziuzko, Stanislav <stanislav.ziuzko@t-systems.com>
Co-authored-by: chenjunjie <chenjunjie@huawei.com>
Co-committed-by: chenjunjie <chenjunjie@huawei.com>
2026-03-18 20:25:09 +00:00

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<a name="SendMessageForRocketMq"></a><a name="SendMessageForRocketMq"></a>
<h1 class="topictitle1">Sending Messages</h1>
<div id="body1708331107508"><div class="section"><h4 class="sectiontitle">Function</h4><p>This API is used to send messages.</p>
</div>
<div class="section" id="SendMessageForRocketMq__atuogenerate_1"><h4 class="sectiontitle">URI</h4><p>POST /v2/{project_id}/rocketmq/instances/{instance_id}/messages</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Path Parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.3.2.5.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.3.2.5.1.2"><p>Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.2.3.2.5.1.3"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.2.3.2.5.1.4"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.1 "><p>project_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.3.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Project ID. For details about how to obtain it, see <a href="hrm-api-0011.html">Obtaining a Project ID</a>.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.1 "><p>instance_id</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.2.3.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.2.3.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Instance ID. You can call the API for querying all instances to obtain the instance ID. The instance ID is in the response body.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Request Parameters</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="SendMessageForRocketMq__request_SendMessageReq" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Request body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.2.2.5.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.2.2.5.1.2"><p>Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.2.2.5.1.3"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.3.2.2.5.1.4"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>topic</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Topic name.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>body</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>Yes</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Message content.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.1 "><p>property_list</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.2.5.1.3 "><p>Array of <a href="#SendMessageForRocketMq__request_SendMessageProperties">SendMessageProperties</a> objects</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.2.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Feature list.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="SendMessageForRocketMq__request_SendMessageProperties"></a><a name="request_SendMessageProperties"></a><table cellpadding="4" cellspacing="0" summary="" id="SendMessageForRocketMq__request_SendMessageProperties" frame="border" border="1" rules="all"><caption><b>Table 3 </b>SendMessageProperties</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.2.5.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.2.5.1.2"><p>Mandatory</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.3.2.5.1.3"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.3.3.2.5.1.4"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.1 "><p>name</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.3.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Feature name.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.1 "><p>value</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.2 "><p>No</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.3.2.5.1.3 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.3.3.2.5.1.4 "><p><strong>Definition</strong></p>
<p>Feature value.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Response Parameters</h4><p><strong>Status code: 200</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="SendMessageForRocketMq__response_SendMessageResp" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Response body parameters</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.3.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.3.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.3.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>topic</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Topic name.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>body</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Message content.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>property_list</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>Array of <a href="#SendMessageForRocketMq__response_SendMessageProperties">SendMessageProperties</a> objects</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Feature list.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>msg_id</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Message ID.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>queue_id</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>Number</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Queue ID.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>queue_offset</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>Number</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Queue offset.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.1 "><p>broker_name</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.3.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.3.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Broker name.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="SendMessageForRocketMq__response_SendMessageProperties"></a><a name="response_SendMessageProperties"></a><table cellpadding="4" cellspacing="0" summary="" id="SendMessageForRocketMq__response_SendMessageProperties" frame="border" border="1" rules="all"><caption><b>Table 5 </b>SendMessageProperties</caption><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.4.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.4.4.2.4.1.2"><p>Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.4.2.4.1.3"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.1 "><p>name</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.4.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Feature name.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.1 "><p>value</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.4.2.4.1.2 "><p>String</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.4.2.4.1.3 "><p><strong>Definition</strong></p>
<p>Feature value.</p>
<p><strong>Constraints</strong></p>
<p>N/A</p>
<p><strong>Range</strong></p>
<p>N/A</p>
<p><strong>Default Value</strong></p>
<p>N/A</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Example Requests</h4><p>Sending messages</p>
<pre class="screen">POST https://{endpoint}/v2/{project_id}/rocketmq/instances/{instance_id}/messages?topic={topic}
{
"topic" : "aaaaaaaaaaaa",
"body" : "test",
"property_list" : [ ]
}</pre>
</div>
<div class="section"><h4 class="sectiontitle">Example Responses</h4><p><strong>Status code: 200</strong></p>
<p>Queried.</p>
<pre class="screen">{
"topic" : "aaaaaaaaaaaa",
"body" : "test",
"property_list" : [ ],
"msg_id" : "644F0E2A315323EAB33D8F4733110009",
"queue_id" : 0,
"queue_offset" : 0,
"broker_name" : "broker-0"
}</pre>
</div>
<div class="section"><h4 class="sectiontitle">Status Codes</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="SendMessageForRocketMq__status_code" frame="border" border="1" rules="all"><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="15%" id="mcps1.3.7.2.1.3.1.1"><p>Status Code</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="85%" id="mcps1.3.7.2.1.3.1.2"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.7.2.1.3.1.1 "><p>200</p>
</td>
<td class="cellrowborder" valign="top" width="85%" headers="mcps1.3.7.2.1.3.1.2 "><p>Queried.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Error Codes</h4><p>See <a href="ErrorCode.html">Error Codes</a>.</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="topic_300000011.html">Managing Messages</a></div>
</div>
</div>