# Update a User Identity

* [Request Parameters](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/api/user_identities/..#request-parameters)
* [Response](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/api/user_identities/..#response)
* [Examples](https://docs.seam.co/latest/~/revisions/DFdrUdS2jQOnbJTNDT5a/api/user_identities/..#examples)

{% tabs %}
{% tab title="Signature" %}

```
PATCH /user_identities/update ⇒ void
```

{% endtab %}
{% endtabs %}

<details>

<summary>Authentication Methods</summary>

* API key
* Personal access token\
  Must also include the `seam-workspace` header in the request.

To learn more, see [Authentication](https://docs.seam.co/latest/api/authentication).

</details>

## Request Parameters

**`user_identity_id`** *String* (Required)

ID of the user identity.

***

**`email_address`** *String*

Unique email address for the user identity.

***

**`full_name`** *String*

***

**`phone_number`** *String*

Unique phone number for the user identity in [E.164 format](https://www.itu.int/rec/T-REC-E.164/en) (for example, +15555550100).

***

**`user_identity_key`** *String*

Unique key for the user identity.

***

## Response

void