---
title: "Update a creator scheduled mass message"
method: PATCH
path: "/creators/{creatorUserUuid}/chats/mass-messages/{messageUuid}"
---

# Update a creator scheduled mass message

`PATCH /creators/{creatorUserUuid}/chats/mass-messages/{messageUuid}`

Update a scheduled mass message for the specified creator before it is sent.

Only scheduled mass messages can be updated.

## Path parameters

- `creatorUserUuid` string, uuid, required
- `messageUuid` string, uuid, required

## Headers

- `X-Fanvue-API-Version` string, required

## Request body

- object
  - `text` string
  - `mediaUuids` string[]
  - `price` number, nullable
  - `includedLists` object
    - `smartListIds` string[] — Smart list identifiers — fixed string types such as 'subscribers' or 'followers', not UUIDs. The deprecated alias `smartListUuids` is also accepted.
    - `customListUuids` string[]
  - `excludedLists` object
    - `smartListIds` string[] — Smart list identifiers — fixed string types such as 'subscribers' or 'followers', not UUIDs. The deprecated alias `smartListUuids` is also accepted.
    - `customListUuids` string[]
  - `scheduledAt` string, date-time — Optional scheduled date/time in ISO 8601 format. Alias `scheduled_at` is also accepted.

## Response `204`

Mass message updated successfully

## Other responses

- `400` — Bad Request - API version not supported OR validation failed OR invalid UUID
- `401` — Unauthorized Response
- `403` — Unauthorized Response
- `404` — Not Found Response
- `410` — API version no longer supported (sunset)
- `429` — Too many requests - rate limit exceeded

---

[API](https://skmtc.net/fanvue/apis/fanvue-api.md) · [All operations](https://skmtc.net/fanvue/apis/fanvue-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/fanvue/fanvue-api/revisions/c5ddcd5c7e72/schema)