---
title: "Update an SMS number"
method: PATCH
path: "/sms/numbers/{numberId}"
tags: ["SMS"]
---

# Update an SMS number

`PATCH /sms/numbers/{numberId}`

Updates an SMS number's user-facing label and/or its brand prefix override. Omitted fields keep their value; at least one field is required. Requires companies:manage.

## Path parameters

- `numberId` string, required

## Request body

- object
  - `label` string, nullable — Label such as Marketing or Support. Send null to clear it.
  - `brandPrefix` string, nullable — Per-number brand prefix override; messages send as "{prefix}: your message". Send null to clear it back to the account-wide prefix.

## Response `200`

SMS number updated

- object
  - `success` boolean
  - `number` object
    - `id` string
    - `label` string, nullable
    - `brandPrefix` string, nullable
  - `message` string

## Other responses

- `400` — No update fields provided
- `401` — Unauthorized
- `403` — Insufficient permission
- `404` — Company or SMS number not found

---

[API](https://skmtc.net/sequenzy/apis/sequenzy-api.md) · [All operations](https://skmtc.net/sequenzy/apis/sequenzy-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sequenzy/sequenzy-api/revisions/fc5624c7d57a/schema)