# ULID

The `pydantic_extra_types.ULID` module provides the \[`ULID`] data type.

This class depends on the \[python-ulid] package, which is a validate by the [ULID-spec](https://github.com/ulid/spec#implementations-in-other-languages).

## ULID

**Bases:** `Representation`

A wrapper around [python-ulid](https://pypi.org/project/python-ulid/) package, which is a validate by the [ULID-spec](https://github.com/ulid/spec#implementations-in-other-languages).

## Related pages

- [API Documentation](./api-documentation-index.md)
- [Concepts](./concepts-index.md)
- [Dev Tools](./dev-tools-index.md)
- [Error Messages](./error-messages-index.md)
- [Examples](./examples-index.md)
- [Integrations](./integrations-index.md)
- [Internals](./internals-index.md)
- [Production Tools](./production-tools-index.md)
- [Pydantic](./pydantic-index.md)
- [Pydantic Core](./pydantic-core-index.md)

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