Docs

POST /v1/pdf/stamp

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

Exactly one of text or image. Position defaults to center. Text opacity defaults to 0.2.

Example

Diagonal draft mark.

POST /v1/pdf/stamp
{ "url": "https://example.com/report.pdf", "text": "DRAFT", "rotate": -24 }