---
title: "Changes to Create Custom Events"
method: POST
path: "/apps/{app_id}/custom_events"
---

# Changes to Create Custom Events

`POST /apps/{app_id}/custom_events`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `36dfd39b1be3`: 2 breaking

## Changes

- **2026-11-03** `36dfd39b1be3`: 2 breaking
  - the `header` request parameter `Authorization` became required
  - the response property `errors/items/event_id` became nullable for the status `202`

---

[Operation](https://skmtc.dev/onesignal/apis/api-onesignal-com/docs/apps/:app_id/custom_events/post.md) - [API](https://skmtc.dev/onesignal/apis/api-onesignal-com.md) - [Page](https://skmtc.dev/onesignal/apis/api-onesignal-com/changes/apps/:app_id/custom_events/post)