PDF Underlay (Background) API
Our API is 100% free to use – no fees, no subscriptions.
Effortlessly add backgrounds or underlays to your PDF files with our API. Combine your document with a template, form, or letterhead placed beneath the content. Ideal for branding, stationery automation, or generating consistent PDF layouts programmatically.
Benefits of our PDF Underlay API
Easily apply backgrounds or templates to PDF documents with our powerful PDF Underlay API.
Place letterheads, branding elements, or form layouts beneath existing content while
maintaining full formatting and clarity. Ideal for automating stationery,
corporate design, or consistent reporting, our API streamlines document
preparation and ensures a professional, uniform appearance in every file.
Read our API documentation to learn how to underlay pages in PDFs.
No-Code PDF Underlaying (Backgrounds)
Connect our PDF Underlay API with Zapier Webhooks to automate the addition of backgrounds or templates to your PDFs. Place letterheads, branding, or forms beneath content directly from hundreds of supported apps, all without coding. Streamline document preparation, enforce corporate design, and maintain a professional look across every workflow.