Faking canvas top padding in FusionCharts (JavaScript)

Turning off axis limits and then pushing in two trend lines with hidden lines can do the trick!

HTML

<script src="http://static.fusioncharts.com/code/red/19835/FusionCharts.js"></script>
<div id="chartcontainer">Chart loads here!!</div>

JavaScript

var myChart = new FusionCharts({
    type: "Column2D",
    renderAt: "chartcontainer",
    width: "500",
    height: "500",

    dataFormat: FusionChartsDataFormats.JSON,
    dataSource: {
        "chart": {
            "caption": "Monthly Sales Summary",
            "xaxisname": "Month",
            "yaxisname": "Revenue",
            "numberprefix": "$",
            "showvalues": "1",
            "yaxismaxvalue": "1100000",
            "showlimits": "1",
            "animation": "0",
                
        },
        "data": [
            {"label": "Jan", "value": "420000"}, 
            {"label": "Feb", "value": "9100000000"}, 
            {"label": "Mar", "value": "720000"}, 
            {
            "label": "Apr",
                "value": "550000"
        }, 
            {
            "label": "May",
                "value": "810000"
        }, 
            {
            "label": "Jun",
                "value": "510000"
        }, 
            {
            "label": "Jul",
                "value": "680000"
        }, 
            {
            "label": "Aug",
                "value": "620000"
        }, 
            {
            "label": "Sep",
                "value": "610000"
        }, 
            {
            "label": "Oct",
                "value": "490000"
        }, 
            {
            "label": "Nov",
                "value": "530000"
        }, 
            {
            "label": "Dec",
                "value": "330000"
        }],
        "trendlines": [{
            "line": [{
                "startvalue": "1000000",
                    "showontop": "0",
                    "thickness": "0.00001"
            }, {
                "startvalue": "0",
                    "showontop": "0",
                    "thickness": "0.00001"
            }]
        }]
    }
}).render();