> ## Documentation Index
> Fetch the complete documentation index at: https://docs.autocalls.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Update campaign status

> Start or stop a call, WhatsApp, or SMS campaign

Start or stop a campaign you own. Starting validates channel config (assistant / WhatsApp template / SMS number), schedule, and balance. Disabled channels (for example SMS when temporarily unavailable) cannot be started.

### Request body

<ParamField body="campaign_id" type="integer" required>
  The ID of the campaign to update
</ParamField>

<ParamField body="action" type="string" required>
  `start` or `stop`
</ParamField>

### Response

<ResponseField name="message" type="string" default="Campaign started successfully.">
  Human-readable outcome
</ResponseField>

<ResponseField name="success" type="boolean" default="true">
  Whether the operation succeeded
</ResponseField>

<ResponseField name="data" type="object">
  <Expandable title="data properties">
    <ResponseField name="campaign_id" type="integer">
      Campaign ID
    </ResponseField>

    <ResponseField name="status" type="string" default="in-progress">
      New status (e.g. `in-progress`, `paused`)
    </ResponseField>

    <ResponseField name="channel" type="string">
      `call`, `whatsapp`, or `sms`
    </ResponseField>
  </Expandable>
</ResponseField>