---
title: "Pdf Watermark"
method: POST
path: "/api/pdf-watermark"
tags: ["PDF Processing"]
---

# Pdf Watermark

`POST /api/pdf-watermark`

## Request

- Base URL: `https://toolsthatdontupload.com`
- URL: `https://toolsthatdontupload.com/api/pdf-watermark`
- Auth: one of:
  - none
  - API key in header `X-API-Key`

## Response `200`

Resulting PDF

## Other responses

- `400`: Missing or invalid file

---

[API](https://skmtc.dev/toolsthatdontupload/apis/tools-that-don-t-upload-api.md) · [All operations](https://skmtc.dev/toolsthatdontupload/apis/tools-that-don-t-upload-api/llms.txt) · [OpenAPI document](https://skmtc.dev/toolsthatdontupload/apis/tools-that-don-t-upload-api/revisions/fc4cea318919?raw)