<?xml version="1.0"?>
<query>
    <userid>[UserID]</userid> <!-- required-->
    <userkey>[UserKey]</userkey> <!-- required-->
    <action>[Action]</action> <!-- required-->
    <format>
        <output>waveform</output>
        <video_codec>png</video_codec>
        <width>500</width>
        <height>50</height>
        <color>FF0000</color>
        <factor>4</factor>
    </format>
</query>

{
    "query": {
        "userid": "[UserID]",
        "userkey": "[UserKey]",
        "action": "[Action]",
        "format": {
            "output": "waveform",
            "video_codec": "png",
            "width": "500",
            "height": "50",
            "color": "FF0000",
            "factor": "4"
        }
    }
}

Parameter	Description	Allowed Values	Default Value
width	Specify the width of the output in pixels.	Positive Integer	500
height	Specify the height of the output in pixels.	Positive Integer	500
color	Specify color expressed as rgb hex.	RGB HEX values.	FF0000
factor	Specify the super sampling factor for anti aliasing.	Integer	4