> ## 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.

# List contact fields

> Returns your custom field definitions. Use each field's `name` as the key in a contact's `customFields`. Renaming a field in the Dashboard changes its key. `updatedAt` always equals `createdAt`: a rename does not change it.



## API Specification

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


## Related topics

- [List and search contacts](https://help.cloudtalk.io/api-reference/contacts/list-and-search-contacts.md)
- [Manage contacts with the API](https://help.cloudtalk.io/guides/contacts/manage-with-api.md)
- [Update a contact](https://help.cloudtalk.io/api-reference/contacts/update-a-contact.md)


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