# Data Attributes

Everything about your Data Attributes

## List all data attributes

 - [GET /data_attributes](https://developers.intercom.com/docs/references/preview/rest-api/api.intercom.io/data-attributes/lisdataattributes.md): You can fetch a list of all data attributes belonging to a workspace for contacts or companies.

{% admonition type="warning" name="Conversation attributes removed" %}
Conversation attributes are no longer returned by this endpoint. Calling without a model parameter no longer includes them in the response, and model=conversation returns a 422 error. Use GET /conversations/attributes instead.
{% /admonition %}

## Create a data attribute

 - [POST /data_attributes](https://developers.intercom.com/docs/references/preview/rest-api/api.intercom.io/data-attributes/createdataattribute.md): You can create a data attributes for a contact or a company.

## Update a data attribute

 - [PUT /data_attributes/{id}](https://developers.intercom.com/docs/references/preview/rest-api/api.intercom.io/data-attributes/updatedataattribute.md): You can update a data attribute.

> 🚧 Updating the data type is not possible
>
> It is currently a dangerous action to execute changing a data attribute's type via the API. You will need to update the type via the UI instead.