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

# Creating a Newsletter

```js theme={"dark"}
POST /admin/newsletters/
```

Required fields: `name`

Options: `opt_in_existing`

When `opt_in_existing` is set to `true`, existing members with a subscription to one or more active newsletters are also subscribed to this newsletter. The response metadata will include the number of members opted-in.

<RequestExample>
  ```json theme={"dark"}
  // POST /admin/newsletters/?opt_in_existing=true
  {
      "newsletters": [
          {
              "name": "My newly created newsletter",
              "description": "This is a newsletter description",
              "sender_reply_to": "newsletter",
              "status": "active",
              "subscribe_on_signup": true,
              "show_header_icon": true,
              "show_header_title": true,
              "show_header_name": true,
              "title_font_category": "sans_serif",
              "title_alignment": "center",
              "show_feature_image": true,
              "body_font_category": "sans_serif",
              "show_badge": true
          }
      ]
  }
  ```
</RequestExample>