---
title: "Changes to Send a mass message as creator"
method: POST
path: "/creators/{creatorUserUuid}/chats/mass-messages"
---

# Changes to Send a mass message as creator

`POST /creators/{creatorUserUuid}/chats/mass-messages`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 5 revisions.

- **2026-08-30** `dce5621fe589` — 2 info

## Changes

- **2026-08-30** `dce5621fe589` — 2 info
  - added the new optional `header` request parameter `Idempotency-Key`
  - added the non-success response with the status `409`

---

[Operation](https://skmtc.dev/fanvue/apis/fanvue-api/docs/creators/:creatorUserUuid/chats/mass-messages/post.md) · [API](https://skmtc.dev/fanvue/apis/fanvue-api.md) · [Page](https://skmtc.dev/fanvue/apis/fanvue-api/changes/creators/:creatorUserUuid/chats/mass-messages/post)