Finally, a simple way to create PDF documents — without the hassle.

Generate PDFs from your Word templates.

Build a document in Word, mark the parts that change with [[tokens]], and fill it with your data through a single API call. PDFStamp returns a polished PDF every time.

See how it works Pricing

Documents your app can produce on demand

If you can lay it out in Word, you can generate it with PDFStamp — invoices, contracts, certificates, offer letters, reports.

Design in Word

Lay out the document exactly how you want in Word, Google Docs, or anything that exports .docx. Mark the parts that change with [[tokens]].

Fill with your data

Send the values as a simple JSON object. Each token is replaced with your data, and the document keeps its original fonts and layout.

Download the PDF

A single request gives you the finished PDF, ready to save, email, or show to your users. Converted with LibreOffice for faithful output.

How it works

Store your templates with us once, then generate a filled PDF from any of them whenever you need one.

Store your templates

Upload your .docx files once. Each one lives in your library under its own name, ready to reuse.

new.docx

Your template library

invoice nda contract receipt + more

Generate on demand

Call the API with a template name and your data. We pull that template from your library, fill in the tokens, and convert it to a PDF.

{
  "file_name": "invoice",
  "parameters": {
    "name": "Jane Doe",
    "date": "2026-10-19"
  }
}

Library

invoice nda contract

invoice.pdf

One request, one PDF

Name a template, pass your values, and get the document back.

Request

{
  "file_name": "invoice",
  "parameters": {
    "name": "Jane Doe",
    "company": "Acme Corp",
    "date": "2026-10-19"
  }
}

Response 200 OK

Content-Type: application/pdf
Content-Disposition: attachment;
    filename="invoice.pdf"

%PDF-1.7
<binary PDF bytes>

Pricing

Pick a plan by how many PDFs you generate each month. Every plan includes the full engine and your own templates.

Free

$0/mo

Trying it out.

5 PDFs / month
1 template

Start free

Popular

Normal

$29/mo

Production apps.

5,000 PDFs / month
100 templates

Choose Normal

Pro

$149/mo

High volume.

50,000 PDFs / month
1,000 templates

Choose Pro