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PATCH
/
broadcasts
/
{broadcast_id}
/
messages
/
{id}
curl --request PATCH \
  --url https://api.getvero.com/api/v2/broadcasts/{broadcast_id}/messages/{id} \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "from": "promo@acme.com",
  "reply_to": "replies@acme.com"
}
'
{
  "id": 123,
  "broadcast_id": 123,
  "position": 123,
  "name": "<string>",
  "active": true,
  "from": "<string>",
  "reply_to": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}
{
  "errors": [
    {
      "message": "<string>"
    }
  ]
}
{
  "errors": [
    {
      "message": "<string>"
    }
  ]
}

Authorizations

​
Authorization
string
header
required

Accepts either a raw API key or Bearer <key>.

Headers

​
revision
string

Optional dated API revision for the request. Must use YYYY-MM-DD format.

Pattern: ^\d{4}-\d{2}-\d{2}$
Example:

"2026-03-01"

Path Parameters

​
broadcast_id
integer
required

Broadcast ID.

​
id
integer
required

Message ID.

Body

application/json

Update a message's sender (from/reply_to, applied across every one of the message's contents) and active flag on a draft broadcast. The control and the last remaining active message cannot be deactivated (409). name, position, and test_name are derived and rejected with 422.

​
from
string | null

Sender email address (email channel only). Must be a verified sender.

​
reply_to
string | null
​
active
boolean

Response

Sender updated across every content.

One message (A/B test arm) of a broadcast. from/reply_to are email-only sender fields and are null for SMS/push messages.

​
id
integer
required
​
broadcast_id
integer
required
​
position
integer
required
​
name
string | null
required

Server-generated message name, for example Control or Variation A.

​
active
boolean
required
​
from
string | null
required

Sender email address (email messages only).

​
reply_to
string | null
required

Reply-to email address (email messages only).

​
created_at
string<date-time>
required
​
updated_at
string<date-time>
required