---
title: "Get OS targeting values for site"
type: reference
method: GET
path: /rest-api/site/{siteId}/targeting/operating-system/values.do
tag: "Targeting Rules"
---

# Get OS targeting values for site

`GET https://YOUR-NETWORK-DOMAIN/rest-api/site/{siteId}/targeting/operating-system/values.do`

Returns a JSON array of all available operating system identifiers (e.g. WINDOWS, MACOS, LINUX, ANDROID, IOS) that can be used when creating OS targeting rules. Use the OS versions endpoint to retrieve available versions for a specific OS. Requires UPDATE permission on the site and MANAGE_SUPPLY_PRE_TARGETING user permission.

## Path params

| Name | Type | Required | Example | Description |
|---|---|---|---|---|
| `siteId` | integer | yes | `3001` | Unique numeric ID of the site |

## Responses

- `200` — Success
- `400` — Bad request — invalid or missing parameters
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Site not found
- `500` — Internal server error

## Example request

```bash
curl --request GET \
  --url 'https://YOUR-NETWORK-DOMAIN/rest-api/site/3001/targeting/operating-system/values.do' \
  --header 'X-Api-Key: YOUR_API_KEY'
```

Source: https://epom.com/ad-server/docs/api/targeting-rules/get-site-targeting-operating-system-values