> ## Documentation Index
> Fetch the complete documentation index at: https://help.cloudtalk.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Attributes

> **LEGACY.** This endpoint keeps working unchanged. For new integrations, use [List contact fields](/api-reference/contacts/list-contact-fields) on `https://api.cloudtalk.io/v1`.

List all attributes which can be assigned to a contact.



## API Specification

The full API specification for this endpoint is available in the [documentation index](https://help.cloudtalk.io/llms.txt).


## Related topics

- [Custom Attributes](https://help.cloudtalk.io/en/articles/2144934-custom-attributes.md)
- [Managing Contacts](https://help.cloudtalk.io/en/articles/7056354-managing-contacts.md)
- [Configure Attio](https://help.cloudtalk.io/en/articles/16815852-configure-attio.md)


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