png_quant on text page

png_quant.json

{
    "application_id": "YOUR_APP_ID",
    "src": "https://s3.amazonaws.com/img.blitline/temp_folder/big_text_page.png",
    "extended_metadata" : true,
    "functions": [
        {
            "name": "resize_to_fit",
            "params": {
                "width": 1920
            },
            "save": {
                "extension": ".png",
                "png_quantize" : true,
                "image_identifier": "MY_CLIENT_ID"
            }
        }
    ]
}