---
title: "Update campaign UTM settings"
method: PUT
path: "/campaigns/{id}/utm"
tags: ["Campaigns"]
---

# Update campaign UTM settings

`PUT /campaigns/{id}/utm`

Replace UTM tag settings for a campaign. For regular campaigns send a
`tags` object. For A/B test campaigns send a `variants` object. The campaign
must be in draft status.

**Scopes:**
`campaigns.write`

## Path parameters

- `id` string, required

## Headers

- `Omnisend-Version` string, required

## Request body

- UTMUpdate — UTM update request. Provide `tags` for regular campaigns or `variants` for A/B test campaigns. Exactly one must be present; providing both is a validation error.
  - `tags` UTMTags — UTM tracking tag values.
    - `campaign` string — UTM campaign parameter
    - `medium` string — UTM medium parameter
    - `source` string — UTM source parameter
  - `variants` UTMVariantsUpdate — UTM variant update entries for an A/B test campaign.
    - `a` UTMVariantTags — UTM variant tags for an A/B update request. Providing empty values resets them to defaults.
      - `campaign` string — UTM campaign parameter (max 250 characters)
      - `medium` string — UTM medium parameter (max 250 characters)
      - `source` string — UTM source parameter (max 250 characters)
    - `b` UTMVariantTags — UTM variant tags for an A/B update request. Providing empty values resets them to defaults.
      - `campaign` string — UTM campaign parameter (max 250 characters)
      - `medium` string — UTM medium parameter (max 250 characters)
      - `source` string — UTM source parameter (max 250 characters)

## Response `200`

Updated UTM settings

- UTMResponse — UTM tracking tags for a single automation block.
  - `tags` UTMTags — UTM tracking tag values.
    - `campaign` string — UTM campaign parameter
    - `medium` string — UTM medium parameter
    - `source` string — UTM source parameter

## Other responses

- `400` — Request contains invalid or missing fields
- `401` — Authentication is missing or invalid
- `403` — Insufficient permissions for this operation
- `404` — Campaign not found
- `409` — Campaign state does not allow modification
- `410` — API version has been retired
- `429` — Rate limit exceeded
- `500` — Unexpected error occurred

---

[API](https://skmtc.net/omnisend/apis/events-api.md) · [All operations](https://skmtc.net/omnisend/apis/events-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/omnisend/events-api/versions/50214fbc283f/schema)