---
type: api
title: Dry run package policy upgrade
description: **Spaces method and path for this operation:**
url: https://www.elastic.co/elastic/docs-builder/docs/4493/api/doc/kibana/v8/operation/operation-upgrade-package-policy-dry-run
resource: https://www.elastic.co/elastic/docs-builder/docs/4493/api/doc/kibana/v8/operation/operation-upgrade-package-policy-dry-run
products:
  - Kibana
---

# Dry run package policy upgrade

- Server: `https://{kibana_url}`

## Paths

- `POST` `/api/fleet/package_policies/upgrade/dryrun`
- `POST` `/s/{space_id}/api/fleet/package_policies/upgrade/dryrun`

## Description

Refer to [Spaces](https://www.elastic.co/docs/deploy-manage/manage-spaces) for more information.

## Authentication

- Api key: `Authorization: <value>`
  These APIs use key-based authentication. You must create an API key and use the encoded value in the request header. For example: `Authorization: ApiKey base64AccessApiKey`
- Basic: `Authorization: Basic <credentials>`

## Request body

`application/json`

- `packagePolicyIds` (string[]) — required
- `packageVersion` (string) — optional

## Responses

#### `200`

OK

`application/json`

Type: `object[]`

An array; each item has these fields:

- `agent_diff` (object[][])
- `diff` (object[])
  - `id` (string)
  - `inputs` (union oneOf)
    One of: `object[]` or `object`
  - `revision` (number)
  - `description` (string)
  - `enabled` (boolean)
  - `name` (string)
  - `namespace` (string)
  - `output_id` (string)
  - `overrides` (object)
  - `package` (object)
    - `name` (string)
    - `requires_root` (boolean)
    - `title` (string)
    - `version` (string)
  - `policy_id` (string) — nullable — deprecated
  - `policy_ids` (string[])
  - `errors` (object[])
    - `key` (string)
    - `message` (string)
  - `missingVars` (string[])
- `hasErrors` (boolean)
#### `400`

Generic Error

`application/json`

- `error` (string)
- `message` (string)
- `statusCode` (number)
## Code examples

#### Console

```console
POST kbn:/api/fleet/package_policies/upgrade/dryrun
{
  "packagePolicyIds": [
    "string"
  ]
}
```

#### curl

```curl
curl -X POST "${KIBANA_URL}/api/fleet/package_policies/upgrade/dryrun" \
  -H "Authorization: ApiKey ${API_KEY}" \
  -H "Content-Type: application/json" \
  -d '{
    "packagePolicyIds": [
      "string"
    ]
  }'
```