Update Campaign

PATCH/campaigns/{campaign_id}

Update a campaign's configuration. Only allowed while the campaign is in 'draft' status.

campaign_idCampaign ID

Path Parameters

Parameter	Type	Required	Description
`campaign_id`	string	Yes	Campaign ID

All fields are optional. Only provided fields are updated.

Field	Type	Description
`name`	string	Campaign display name
`message_template`	string	Message template
`contacts`	string[]	Replace contact list
`schedule`	string	Reschedule launch time (ISO 8601)
`max_concurrent`	integer	Maximum concurrent calls/messages

Note: Updates are only allowed while the campaign status is draft. Launched campaigns cannot be modified — pause and create a new one instead.

Returns the updated campaign object.

Code	Description
`401`	Missing or invalid authentication
`403`	Campaign already launched (cannot modify)
`404`	Campaign not found