Make a post request to the API and get back a png of the graph. Currently only line graphs are supported. Make sure to include x_values and y_values in your post request. The rest of the params (which are optional) can include any of the kwargs found here.
{
"title": "Linear Graph",
"x_values": [1, 2, 3, 4, 5, 6, 7],
"y_values": [1, 2, 3, 4, 5, 6, 7],
"xlabel": "x values",
"ylabel": "y values"
}