Protect PDF

POST /v1/pdf/protect  ·  1¢

Password-protect a PDF with AES-256 encryption; control print/modify/copy permissions.

Parameters

Name	Type	Description
file	file · required	PDF to protect.
password	string · required	User password (min 4 chars).
ownerPassword	string · optional
allowPrint	boolean · optional	Default true.
allowModify	boolean · optional	Default false.
allowCopy	boolean · optional	Default true.

Example request

curl -X POST https://api.bigapi.dev/v1/pdf/protect -H 'Authorization: Bearer $KEY' -F 'file=@in.pdf' -F 'password=secret123' -o protected.pdf

Example response

HTTP/1.1 200 OK
Content-Type: application/pdf
X-BigAPI-Cost: 1

(encrypted PDF body)

Related guides