---
title: "Add Signature Base64"
method: POST
path: "/api/v1/sign/add-signature-base64"
tags: ["Signing"]
---

# Add Signature Base64

`POST /api/v1/sign/add-signature-base64`

## Request

- Base URL: `https://api.allpdfmagic.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.allpdfmagic.com/api/v1/sign/add-signature-base64`
- Auth: HTTP bearer

Add a signature from base64 data (from canvas drawing).

- **file**: The PDF file to sign
- **signature_data**: Base64 encoded signature image
- **page**: Page number (0-indexed)
- **x, y**: Position from bottom-left corner

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/allpdfmagic/apis/allpdfmagic-api.md) · [All operations](https://skmtc.dev/allpdfmagic/apis/allpdfmagic-api/llms.txt) · [OpenAPI document](https://skmtc.dev/allpdfmagic/apis/allpdfmagic-api/revisions/92ad9e3b3b88?raw)