---
title: "signing"
canonical_url: "https://www.nutrient.io/api/python/signing/"
md_url: "https://www.nutrient.io/api/python/signing.md"
last_updated: "2026-06-09T10:32:42.532Z"
description: "API reference for the signing module"
---

API reference for the `signing` module.

```python

# All public classes import directly from the top-level package:

from nutrient_sdk import DigitalSignatureOptions

```

## Classes

| Class                                                     | Description                                                                                          |
| --------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- |
| [`DigitalSignatureOptions`](./digital-signature-options/) | Options for creating a digital signature on a PDF document.                                          |
| [`Signature`](./signature/)                               | Provides functionality for signing PDF documents. Supports both digital signatures (with certific... |
| [`SignatureAppearance`](./signature-appearance/)          | Defines the visual appearance of a signature in a PDF document. Used for both digital signatures... |
| [`TimestampConfiguration`](./timestamp-configuration/)    | Configuration for adding a trusted timestamp to a digital signature. When configured, the signatu... |

---

## Related pages

- [Digital Signature Options](/api/python/signing/digital-signature-options.md)
- [Signature Appearance](/api/python/signing/signature-appearance.md)
- [Signature](/api/python/signing/signature.md)
- [Timestamp Configuration](/api/python/signing/timestamp-configuration.md)