---
title: "List placements a header-bidding slot can use"
type: reference
method: GET
path: /rest-api/hb-tags/placements.do
tag: "Header Bidding"
---

# List placements a header-bidding slot can use

`GET https://YOUR-NETWORK-DOMAIN/rest-api/hb-tags/placements.do`

The site's placements with what a slot needs: id, name, placementKey, size, placementTypeName, mediaType (banner, video, native), anySize, and supported — false with unsupportedReason (type, alwaysRedirect) for one header bidding cannot sell. Requires the HEADER_BIDDING_TAB_VISIBLE permission and access to the tag's site.

## Query params

| Name | Type | Required | Example | Description |
|---|---|---|---|---|
| `siteId` | integer | yes | `139` | Unique numeric ID of the site |

## Responses

- `200` — {data: [placement], total}
- `400` — Bad request — invalid or missing parameters
- `401` — Authentication error
- `403` — Insufficient permissions, naming the missing one

## Example request

```bash
curl --request GET \
  --url 'https://YOUR-NETWORK-DOMAIN/rest-api/hb-tags/placements.do?siteId=139' \
  --header 'X-Api-Key: YOUR_API_KEY'
```

Source: https://epom.com/ad-server/docs/api/header-bidding/get-hb-tags-placements