> For the complete documentation index, see [llms.txt](https://docs.guardianservice.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.guardianservice.app/technical-information/users/standard-registry-users-schemas-and-policies/schemas/schema-creation-using-apis/returns-all-child-schemas-1.md).

# Returns all child schemas

<mark style="color:green;">`GET`</mark> `/schema/{schemaId}/deletionPreview`

Returns all child schemas

**Headers**

| Name          | Value              |
| ------------- | ------------------ |
| Content-Type  | `application/json` |
| Authorization | `Bearer <token>`   |

**Body**

| Name     | Type   | Description |
| -------- | ------ | ----------- |
| schemaId | string | Schema ID   |
| topicId  | string | Topic ID    |

**Response**

{% tabs %}
{% tab title="200" %}

```json5
description: Schema deletion preview.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/SchemaDeletionPreviewDTO'
```

{% endtab %}

{% tab title="401" %}

```json5
{
  description: Unauthorized.
}
```

{% endtab %}

{% tab title="403" %}

```json5
{
description: Forbidden.
}
```

{% endtab %}

{% tab title="500" %}

```json5
{
description: Internal server error.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InternalServerErrorDTO'

}
```

{% endtab %}
{% endtabs %}