PRODUCT / PDF PROCESSING

Protect PDFs

Use POST /v1/pdf/protect to password-lock an existing PDF. To remove a password, use POST /v1/pdf/unlock.

Example request · replace sample inputs

{
  "file": "JVBERi0xLjc...",
  "userPassword": "secret",
  "ownerPassword": "owner-secret",
  "filename": "locked.pdf"
}

Choose your input

Set userPassword and optional ownerPassword. Output remains standard PDF.

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

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A useful addition to your application.

Explore the example request and build your first integration.

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