---
title: "Get a Message by Id and Version"
method: GET
path: "/messages/{messageId}/{messageVersion}"
---

# Get a Message by Id and Version

`GET /messages/{messageId}/{messageVersion}`

## Request

- Base URL: `https://ummapi.nordpoolgroup.com`
- URL: `https://ummapi.nordpoolgroup.com/messages/{messageId}/{messageVersion}`
- Auth: none required

Returns a specified version of the message thread

## Path parameters

- `messageId` string, required
- `messageVersion` integer, required

## Response `200`

200

- object
  - `messageType` integer
  - `isOutdated` boolean
  - `unavailabilityType` integer
  - `reasonCode` integer
  - `unavailabilityReason` string
  - `remarks` string
  - `productionUnits` object[]
    - `name` string
    - `eic` string
    - `fuelType` integer
    - `areaEic` string
    - `areaName` string
    - `installedCapacity` integer
    - `timePeriods` object[]
      - `unavailableCapacity` integer
      - `availableCapacity` integer
      - `eventStart` string
      - `eventStop` string
  - `marketParticipants` object[]
    - `name` string
    - `code` string
    - `acerCode` string
    - `eicCode` string
    - `leiCode` string
  - `eventStatus` integer
  - `messageId` string
  - `version` integer
  - `publicationDate` string
  - `publisherId` string
  - `publisherName` string

## Other responses

- `404`: 404

---

[API](https://skmtc.dev/nordpoolgroup/apis/umm-noauth.md) - [All operations](https://skmtc.dev/nordpoolgroup/apis/umm-noauth/llms.txt) - [OpenAPI document](https://skmtc.dev/nordpoolgroup/apis/umm-noauth/revisions/cdd9982a0a62?raw)