Alexa skill SSML max length
<p>What is the maximum length, or limits of, the <code>SSML</code> attribute in an Amazon Echo Alexa skill JSON response?</p>

<pre class="lang-json prettyprint-override"><code>"outputSpeech": {
    "type": "SSML",
    "ssml": "&lt;speak&gt;This output speech uses SSML.&lt;/speak&gt;"
}
</code></pre>