---
title: "Changes to Create an Event Annotation"
method: POST
path: "/event_annotations"
---

# Changes to Create an Event Annotation

`POST /event_annotations`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 5 of 28 revisions.

- **2026-07-29** (v1) `227f4f2711e4` — 1 info
- **2026-07-23** (v1) `daf788b63356` — 1 breaking, 1 info
- **2026-07-13** (v1) `20b68d4c1a5d` — 2 breaking
- **2026-07-03** (v1) `56dc20e458b2` — 3 breaking, 2 warning, 8 info
- **2026-06-24** (v1) `eb0846e58abc` — 8 breaking, 5 info

## Changes

- **2026-07-29** (v1) `227f4f2711e4` — 1 info
  - added the required property `data/attributes/creator/attributes/organizationRole` to the response with the `200` status
- **2026-07-23** (v1) `daf788b63356` — 1 breaking, 1 info
  - removed the required property `data/attributes/event/attributes/projections` from the response with the `200` status
  - added the optional property `data/attributes/event/attributes/projection` to the response with the `200` status
- **2026-07-13** (v1) `20b68d4c1a5d` — 2 breaking
  - the `data/attributes/event/attributes/attributes` response property contentEncoding changed from `` to `base64` for the status `200`
  - the `data/attributes/event/attributes/attributes` response's property type/format changed from `object`/`` to `string`/`` for status `200`
- **2026-07-03** (v1) `56dc20e458b2` — 3 breaking, 2 warning, 8 info
  - removed the required property `data/attributes/event/attributes/description` from the response with the `200` status
  - removed the required property `data/attributes/event/attributes/timestamp` from the response with the `200` status
  - removed the required property `data/attributes/event/attributes/title` from the response with the `200` status
  - removed the optional property `data/attributes/event/attributes/alert_id` from the response with the `200` status
  - removed the optional property `data/attributes/event/attributes/roster_id` from the response with the `200` status
  - added the required property `data/attributes/event/attributes/attributes` to the response with the `200` status
  - added the required property `data/attributes/event/attributes/occurredAt` to the response with the `200` status
  - added the required property `data/attributes/event/attributes/projections` to the response with the `200` status
  - added the required property `data/attributes/event/attributes/provider` to the response with the `200` status
  - added the required property `data/attributes/event/attributes/providerSource` to the response with the `200` status
  - added the required property `data/attributes/event/attributes/providerSubjectRef` to the response with the `200` status
  - added the required property `data/attributes/event/attributes/receivedAt` to the response with the `200` status
  - added the required property `data/attributes/event/attributes/subjectKind` to the response with the `200` status
- **2026-06-24** (v1) `eb0846e58abc` — 8 breaking, 5 info
  - removed the required property `data/attributes/event/attributes/attributes` from the response with the `200` status
  - removed the required property `data/attributes/event/attributes/occurredAt` from the response with the `200` status
  - removed the required property `data/attributes/event/attributes/projections` from the response with the `200` status
  - removed the required property `data/attributes/event/attributes/provider` from the response with the `200` status
  - removed the required property `data/attributes/event/attributes/providerSource` from the response with the `200` status
  - removed the required property `data/attributes/event/attributes/providerSubjectRef` from the response with the `200` status
  - removed the required property `data/attributes/event/attributes/receivedAt` from the response with the `200` status
  - removed the required property `data/attributes/event/attributes/subjectKind` from the response with the `200` status
  - added the optional property `data/attributes/event/attributes/alert_id` to the response with the `200` status
  - added the optional property `data/attributes/event/attributes/roster_id` to the response with the `200` status
  - added the required property `data/attributes/event/attributes/description` to the response with the `200` status
  - added the required property `data/attributes/event/attributes/timestamp` to the response with the `200` status
  - added the required property `data/attributes/event/attributes/title` to the response with the `200` status

---

[Operation](https://skmtc.dev/rezible/apis/rezible-api/docs/event_annotations/post.md) · [API](https://skmtc.dev/rezible/apis/rezible-api.md) · [Page](https://skmtc.dev/rezible/apis/rezible-api/changes/event_annotations/post)