{
  "operationId": "postMessagesSendTemplate",
  "method": "POST",
  "path": "/messages/send-template",
  "summary": "Mailchimp Send an Email Using a Template",
  "requestExamples": [
    {
      "contentType": "application/json",
      "name": "PostmessagessendtemplateRequestExample",
      "example": {
        "key": "example_value",
        "template_name": "example_value",
        "template_content": [
          {
            "name": "Example Title",
            "content": "example_value"
          }
        ],
        "message": {
          "html": "example_value",
          "text": "example_value",
          "subject": "example_value",
          "from_email": "user@example.com",
          "from_name": "example_value",
          "to": [
            {
              "email": "user@example.com",
              "name": "Example Title",
              "type": "to"
            }
          ],
          "headers": "example_value",
          "important": true,
          "track_opens": true,
          "track_clicks": true,
          "auto_text": true,
          "auto_html": true,
          "inline_css": true,
          "url_strip_qs": "https://www.example.com",
          "preserve_recipients": true,
          "view_content_link": true,
          "bcc_address": "example_value",
          "tracking_domain": "example_value",
          "signing_domain": "example_value",
          "return_path_domain": "example_value",
          "merge": true,
          "merge_language": "mailchimp",
          "global_merge_vars": [
            {
              "name": "Example Title",
              "content": "example_value"
            }
          ],
          "merge_vars": [
            {
              "rcpt": "example_value",
              "vars": {}
            }
          ],
          "tags": [
            "example_value"
          ],
          "subaccount": "example_value",
          "google_analytics_domains": [
            "example_value"
          ],
          "google_analytics_campaign": "example_value",
          "metadata": "example_value",
          "recipient_metadata": [
            {
              "rcpt": "example_value",
              "values": "example_value"
            }
          ],
          "attachments": [
            {
              "type": "example_value",
              "name": "Example Title",
              "content": "example_value"
            }
          ],
          "images": [
            {
              "type": "example_value",
              "name": "Example Title",
              "content": "example_value"
            }
          ]
        },
        "async": true,
        "ip_pool": "example_value",
        "send_at": "2026-01-15T10:30:00Z"
      }
    }
  ],
  "responseExamples": [
    {
      "status": "200",
      "contentType": "application/json",
      "name": "Postmessagessendtemplate200Example",
      "example": [
        {
          "email": "user@example.com",
          "status": "sent",
          "reject_reason": "hard-bounce",
          "queued_reason": "example_value",
          "_id": "500123"
        }
      ]
    }
  ]
}