---
title: "Changes to Record a subscriber state by contact ID"
method: POST
path: "/marketing/marketing-events/2026-09/events/{externalEventId}/{subscriberState}/upsert"
---

# Changes to Record a subscriber state by contact ID

`POST /marketing/marketing-events/2026-09/events/{externalEventId}/{subscriberState}/upsert`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 8 revisions.

- **2026-09-03** (2026-09) `e62ad9a49a20`: 2 info

## Changes

- **2026-09-03** (2026-09) `e62ad9a49a20`: 2 info
  - the endpoint scheme security `private_apps` was removed from the API
  - the `inputs/items/vid` request property format was generalized from `int32` to `int64`

---

[Operation](https://skmtc.dev/hubspot/apis/marketing-marketing-events/docs/marketing/marketing-events/2026-09/events/:externalEventId/:subscriberState/upsert/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/events/:externalEventId/:subscriberState/upsert/post)