<p>Delivers up to ten messages to the specified queue. This is a batch version of <code> <a>SendMessage</a>.</code> For a FIFO queue, multiple messages within a single batch are enqueued in the order they are sent.</p> <p>The result of sending each message is reported individually in the response. Because the batch request can result in a combination of successful and unsuccessful actions, you should check for batch errors even when the call returns an HTTP status code of <code>200</code>.</p> <p>The maximum allowed individual message size and the maximum total payload size (the sum of the individual lengths of all of the batched messages) are both 256 KB (262,144 bytes).</p> <important> <p>A message can include only XML, JSON, and unformatted text. The following Unicode characters are allowed:</p> <p> <code>#x9</code> | <code>#xA</code> | <code>#xD</code> | <code>#x20</code> to <code>#xD7FF</code> | <code>#xE000</code> to <code>#xFFFD</code> | <code>#x10000</code> to <code>#x10FFFF</code> </p> <p>Any characters not included in this list will be rejected. For more information, see the <a href="http://www.w3.org/TR/REC-xml/#charsets">W3C specification for characters</a>.</p> </important> <p>If you don't specify the <code>DelaySeconds</code> parameter for an entry, Amazon SQS uses the default value for the queue.</p> <p>Some actions take lists of parameters. These lists are specified using the <code>param.n</code> notation. Values of <code>n</code> are integers starting from 1. For example, a parameter list with two elements looks like this:</p> <p> <code>&amp;AttributeName.1=first</code> </p> <p> <code>&amp;AttributeName.2=second</code> </p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}