---
title: "Modify an outgoing fax"
method: PUT
path: "/accounts/{user_id}/outbox/{outbox_fax_id}"
tags: ["Outbox"]
---

# Modify an outgoing fax

`PUT /accounts/{user_id}/outbox/{outbox_fax_id}`

Modify an outgoing fax that is being scheduled for sending. (Permitted scopes: **fax:all:edit**, **fax:fax:edit**)

## Path parameters

- `user_id` string, required
- `outbox_fax_id` string, required

## Request body

- PayloadOutboxModification — Model for updating the outgoing fax
  - `comment` string — New comment text

## Response `204`

204 will be returned on successful fax modification in outbox

## Other responses

- `400` — Error object in case there's a problem with given data
- `500` — Error object in case there's a server error

---

[API](https://skmtc.net/fax/apis/fax-plus-rest-api.md) · [All operations](https://skmtc.net/fax/apis/fax-plus-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/fax/fax-plus-rest-api/revisions/c1afc85d2c15/schema)