gistfile1.txt

{
    "html": "<style></style><p>Hello World</p>",
    "options": {
        "displayHeaderFooter": true,
        "marginBottom": "1in",
        "marginTop": "1in",
        "headerTemplate": "<style>html { -webkit-print-color-adjust: exact; margin-top: -20px; }</style><div style=\"font-size:24px;height: 100%; width:100%; padding: 0px 20px; display: flex; flex-direction: row; align-items: center; justify-content: space-between;background-color: red; color: black; height: 50px;\"><span>API2PDF</span><span>12 july 2023</span></div>"
    }
}