PRODUCT / PDF PROCESSING

Stamp a PDF

Use POST /v1/pdf/stamp to watermark pages with text or an image — draft marks, confidential labels, or a logo.

Example request · replace sample inputs

{
  "url": "https://example.com/report.pdf",
  "text": "DRAFT",
  "rotate": -24
}

Choose your input

Exactly one of text or image. Position defaults to center.

Understand the cost

Basic PDF tools use per-operation pricing. Failed operations are never billed. See the rate card for the current operation price.

Explore pricing

Build the handoff

Choose a supported response mode for your workflow. Use the job API to follow async processing, and registered account webhooks for signed delivery events.

Explore the guide

All PDF tools Full platform File handling & limits Compare alternatives

A useful addition to your application.

Explore the example request and build your first integration.

Read the API guide Explore the playground