---
title: "Update campaign"
method: PATCH
path: "/marketing/campaigns/2026-03/{campaignGuid}"
tags: ["Basic"]
---

# Update campaign

`PATCH /marketing/campaigns/2026-03/{campaignGuid}`

Perform a partial update of a campaign identified by the specified campaignGuid. Provided property values will be overwritten. Read-only and non-existent properties will cause 400 error.
If an empty string is passed for any property in the Batch Update, it will reset that property's value.

## Path parameters

- `campaignGuid` string, required

## Request body

- MarketingCampaignsPublicCampaignInput
  - `properties` object, required — A collection of key-value pairs representing the properties of the campaign. Each key is a property name, and the corresponding value is the property's value.

## Response `200`

successful operation

- MarketingCampaignsPublicCampaign
  - `businessUnits` MarketingCampaignsPublicBusinessUnit[], required — An array of business units associated with the campaign, each represented by a PublicBusinessUnit object.
    - `id` integer, required — The unique identifier for the business unit, represented as an integer.
  - `createdAt` string, date-time, required — The date and time when the campaign was created, formatted as a date-time string.
  - `id` string, required — The unique identifier for the campaign.
  - `properties` object, required — A collection of key-value pairs representing additional properties of the campaign.
  - `updatedAt` string, date-time, required — The date and time when the campaign was last updated, formatted as a date-time string.

## Other responses

- `default` — An error occurred.

---

[API](https://skmtc.net/hubspot/apis/hubspot-api-specification.md) · [All operations](https://skmtc.net/hubspot/apis/hubspot-api-specification/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/hubspot/hubspot-api-specification/revisions/f9c7181056c5/schema)