Schedule a Campaign

{
  "id": 1234,
  "send_at": 1489771528,
  "status": "Scheduled"
}

{
  "errors": [
    {
      "field": "subject",
      "message": "subject can't be blank"
    },
    {
      "field": "sender_id",
      "message": "sender_id can't be blank"
    },
    {
      "field": "plain_content",
      "message": "plain_content can't be blank, please provide plain text or html content"
    },
    {
      "field": "list_id",
      "message": "You must select at least 1 segment or 1 list to send to."
    },
    {
      "field": "unsubscribe_tag",
      "message": "An [unsubscribe] tag in both your html and plain content is required to send a campaign."
    },
    {
      "field": "suppression_group_id",
      "message": "Either a suppression_group_id or custom_unsubscribe_url is required to send a campaign."
    },
    {
      "field": null,
      "message": "You do not have enough credits to send this campaign. Upgrade your plan to send more: https://app.sendgrid.com/settings/billing"
    }
  ]
}

{
  "errors": [
    {
      "field": null,
      "message": "authorization required"
    }
  ]
}

{
  "errors": [
    {
      "field": null,
      "message": "You cannot POST to a campaign that has already sent or scheduled. However you can update a scheduled campaign with a PATCH."
    }
  ]
}

{
  "errors": [
    {
      "field": null,
      "message": "not found"
    }
  ]
}