---
title: "Changes to Send SMS, MMS or WhatsApp to a Segment"
method: POST
path: "/orgunit/{orgunitId}/groups/{groupId}/messages/segment"
---

# Changes to Send SMS, MMS or WhatsApp to a Segment

`POST /orgunit/{orgunitId}/groups/{groupId}/messages/segment`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 5 revisions.

- **2026-08-18** `ae1e3ddfb2fb`: 1 breaking, 1 info

## Changes

- **2026-08-18** `ae1e3ddfb2fb`: 1 breaking, 1 info
  - the request property `message` became required
  - added the new optional request property `listIds`

---

[Operation](https://skmtc.dev/ministrybytext/apis/pbt-api-documentation/docs/orgunit/:orgunitId/groups/:groupId/messages/segment/post.md) - [API](https://skmtc.dev/ministrybytext/apis/pbt-api-documentation.md) - [Page](https://skmtc.dev/ministrybytext/apis/pbt-api-documentation/changes/orgunit/:orgunitId/groups/:groupId/messages/segment/post)