For the WKHTMLTOPDF endpoint, you have the ability to pass in a variety of advanced options as a JSON object as part of the
payload. Below are the set of options that we support with wkhtmltopdf.

Sample Payload with Advanced Options

    {
        "html": "Hello World",
        "options": {
            "orientation": "landscape",
            "dpi": 300,
            "grayscale": true
        }
    }

Page Options

Attribute	Type	Description
dpi	Integer	Change the dpi explicitly (this has no effect on X11 based systems) (default 96)
grayscale	Boolean	PDF will be generated in grayscale
imageDpi	Integer	When embedding images scale them down to this dpi (default 600)
imageQuality	Integer	When jpeg compressing images use this quality (default 94)
lowquality	Boolean	Generates lower quality pdf/ps. Useful to shrink the result document space
marginBottom	Unit, mm	Set the page bottom margin
marginLeft	Unit, mm	Set the page left margin (default 10mm)
marginRight	Unit, mm	Set the page right margin (default 10mm)
marginTop	Unit, mm	Set the page top margin
orientation	landscape/portrait	Set orientation to Landscape or Portrait (default Portrait)
pageHeight	Unit, mm	Page height
pageSize	Size	Set paper size to: A4, Letter, etc. (default A4). See full list of page sizes here
pageWidth	Unit, mm	Page width
printMediaType	Boolean	Use print styles instead of “screen”. Can improve readability and layout in some cases.
noPdfCompression	Boolean	Do not use lossless compression on pdf objects
title	String	The title of the generated pdf file (The title of the first document is used if not specified)
disableExternalLinks	Boolean	Do not make links to remote web pages
enableExternalLinks	Boolean	Make links to remote web pages (default)
disableForms	Boolean	Do not turn HTML form fields into pdf form fields (default)
enableForms	Boolean	Turn HTML form fields into pdf form fields
images	Boolean	Do load or print images (default)
noImages	Boolean	Do not load or print images
disableInternalLinks	Boolean	Do not make local links
enableInternalLinks	Boolean	Make local links (default)
disableJavascript	Boolean	Do not allow web pages to run javascript
enableJavascript	Boolean	Do allow web pages to run javascript (default)
javascriptDelay	Milliseconds	Wait some milliseconds for javascript finish (default 200)
keepRelativeLinks	Boolean	Keep relative external links as relative external links
minimumFontSize	Integer	Minimum font size
pageOffset	Integer	Set the starting page number (default 0)
disableSmartShrinking	Boolean	Disable the intelligent shrinking strategy used by WebKit that makes the pixel/dpi ratio none constant
enableSmartShrinking	Boolean	Enable the intelligent shrinking strategy used by WebKit that makes the pixel/dpi ratio none constant (default)
zoom	Float	Use this zoom factor (default 1)

Header / Footer Options

Headers and footers can be added to the document. In header and footer text string the following variables will be replaced

• [page] Replaced by the number of the pages currently being printed
• [frompage] Replaced by the number of the first page to be printed
• [topage] Replaced by the number of the last page to be printed
• [webpage] Replaced by the URL of the page being printed
• [section] Replaced by the name of the current section
• [subsection] Replaced by the name of the current subsection
• [date] Replaced by the current date in system local format
• [isodate] Replaced by the current date in ISO 8601 extended format
• [time] Replaced by the current time in system local format
• [title] Replaced by the title of the of the current page object
• [doctitle] Replaced by the title of the output document
• [sitepage] Replaced by the number of the page in the current site being converted
• [sitepages] Replaced by the number of pages in the current site being converted

Attribute	Type	Description
footerCenter	String	Centered footer text
footerFontName	String	Set footer font name (default Arial)
footerFontSize	Size	Set footer font size (default 12)
footerHtml	Url	Adds a html footer
footerLeft	String	Left aligned footer text
footerLine	Boolean	Display line above the footer
noFooterLine	Boolean	Do not display line above the footer (default)
footerRight	String	Right aligned footer text
footerSpacing	Units, mm	Spacing between footer and content in mm (default 0)
headerCenter	String	Centered header text
headerFontName	String	Set header font name (default Arial)
headerFontSize	Size	Set header font size (default 12)
headerHtml	Url	Adds a html header
headerLeft	String	Left aligned header text
headerLine	Boolean	Display line below the header
noHeaderLine	Boolean	Do not display line below the header (default)
headerRight	String	Right aligned header text
headerSpacing	Units, mm	Spacing between header and content in mm (default 0)