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post/web-capture/v1/html_to_pdf3 credits

Render raw HTML (+optional CSS) to PDF — invoices, reports, receipts. Same Chromium engine as the big converters; remote assets SSRF-guarded or fully blocked.

Working example

Parameters

htmlrequired

Raw HTML to render (≤2MB). Remote subresources are SSRF-guarded; set allow_remote_resources=false for fully offline rendering.

cssoptional

Extra CSS injected into the document <head>.

base_urloptional

Base URL for relative asset paths in the supplied HTML (injected as <base href>); SSRF-validated.

allow_remote_resourcesoptional

Allow the supplied HTML to load remote images/fonts/css (SSRF-guarded). false = network fully blocked (pure offline render).

paper_formatoptional

PDF paper size (Chromium print-to-PDF formats).

landscapeoptional

Landscape orientation.

marginoptional

PDF margin — '10mm' / '0.5in' / '12px' or bare number (mm). Sets all four sides; override per side below.

margin_topoptional

PDF margin — '10mm' / '0.5in' / '12px' or bare number (mm).

margin_bottomoptional

PDF margin — '10mm' / '0.5in' / '12px' or bare number (mm).

margin_leftoptional

PDF margin — '10mm' / '0.5in' / '12px' or bare number (mm).

margin_rightoptional

PDF margin — '10mm' / '0.5in' / '12px' or bare number (mm).

print_backgroundoptional

Render background colors/images in the PDF (default true).

mediaoptional

CSS media type used for the PDF render.

scaleoptional

Print scale 0.1-2.0. (0.1–2)

page_rangesoptional

Pages to include, e.g. '1-3,5'. Empty = all.

prefer_css_page_sizeoptional

Honor CSS @page size over paper_format when the page declares one.

display_header_footeroptional

Print header/footer bands on every PDF page.

header_templateoptional

PDF header HTML template; classes date/title/url/pageNumber/totalPages are auto-filled by Chromium. Styles are NOT inherited — inline font-size etc.

footer_templateoptional

PDF footer HTML template; classes date/title/url/pageNumber/totalPages are auto-filled by Chromium. Styles are NOT inherited — inline font-size etc.

viewport_widthoptional

Viewport width in CSS pixels (200-3840). (200–3840)

delay_msoptional

Extra settle delay after load, 0-5000ms. (0–5000)

request preview

curl -X POST https://api.reefapi.com/web-capture/v1/html_to_pdf \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"html":"<h1>Invoice #42</h1><p>Total: $19.99</p>","allow_remote_resources":"false"}'

Hit Send to run this endpoint live.