---
title: "Changes to Update Multiple Marketing Events by ObjectId"
method: POST
path: "/marketing/marketing-events/2026-09/batch/update"
---

# Changes to Update Multiple Marketing Events by ObjectId

`POST /marketing/marketing-events/2026-09/batch/update`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 8 revisions.

- **2026-10-16** (2026-09) `3afcf69ad1b4`: 1 breaking
- **2026-09-03** (2026-09) `e62ad9a49a20`: 1 breaking, 2 warning, 8 info

## Changes

- **2026-10-16** (2026-09) `3afcf69ad1b4`: 1 breaking
  - added the new required request property `inputs/items/customProperties/items/maskedSubstrings/substrings/items/label`
- **2026-09-03** (2026-09) `e62ad9a49a20`: 1 breaking, 2 warning, 8 info
  - added the new required request property `inputs/items/customProperties/items/maskedSubstrings`
  - removed the optional property `errors` from the response with the `200` status
  - removed the optional property `numErrors` from the response with the `200` status
  - the endpoint scheme security `private_apps` was removed from the API
  - added the new `BREEZE_AGENT` enum value to the request property `inputs/items/customProperties/items/source`
  - added the new `CONNECTED_ACCOUNT` enum value to the request property `inputs/items/customProperties/items/source`
  - added the new `CUSTOMER_PORTAL` enum value to the request property `inputs/items/customProperties/items/source`
  - added the new `DI_WRITE_TO_CRM` enum value to the request property `inputs/items/customProperties/items/source`
  - added the new `MARKETS` enum value to the request property `inputs/items/customProperties/items/source`
  - added the new `REVENUE_PLATFORM` enum value to the request property `inputs/items/customProperties/items/source`
  - added the success response with the status `207`

---

[Operation](https://skmtc.dev/hubspot/apis/marketing-marketing-events/docs/marketing/marketing-events/2026-09/batch/update/post.md) - [API](https://skmtc.dev/hubspot/apis/marketing-marketing-events.md) - [Page](https://skmtc.dev/hubspot/apis/marketing-marketing-events/changes/marketing/marketing-events/2026-09/batch/update/post)