---
title: "List default invocation-code parameter types"
type: reference
method: GET
path: /rest-api/placements/default-invocation-param-types.do
tag: "Placements"
---

# List default invocation-code parameter types

`GET https://YOUR-NETWORK-DOMAIN/rest-api/placements/default-invocation-param-types.do`

Lists the parameter types a placement's default invocation-code parameters can have, in picker order. value is the type to send to the add and delete endpoints, key its display name; multiValued types keep a list of values, the others a single one. Requires authentication.

## Responses

- `200` — {success, data:[{key, value, multiValued, advanced, placeholder, urlParameter}]}
- `400` — Bad request — invalid or missing parameters
- `401` — Authentication error
- `403` — Forbidden — insufficient permissions

## Example request

```bash
curl --request GET \
  --url 'https://YOUR-NETWORK-DOMAIN/rest-api/placements/default-invocation-param-types.do' \
  --header 'X-Api-Key: YOUR_API_KEY'
```

Source: https://epom.com/ad-server/docs/api/placements/get-placements-default-invocation-param-types