## Create Regional Hostname

`client.addressing.regionalHostnames.create(RegionalHostnameCreateParamsparams, RequestOptionsoptions?): RegionalHostnameCreateResponse`

**post** `/zones/{zone_id}/addressing/regional_hostnames`

Create a new Regional Hostname entry. Cloudflare will only use data centers that are physically located within the chosen region to decrypt and service HTTPS traffic. Learn more about [Regional Services](https://developers.cloudflare.com/data-localization/regional-services/get-started/).

### Parameters

- `params: RegionalHostnameCreateParams`

  - `zone_id: string`

    Path param: Identifier.

  - `hostname: string`

    Body param: DNS hostname to be regionalized, must be a subdomain of the zone. Wildcards are supported for one level, e.g `*.example.com`

  - `region_key: string`

    Body param: Identifying key for the region

  - `routing?: string`

    Body param: Configure which routing method to use for the regional hostname

### Returns

- `RegionalHostnameCreateResponse`

  - `created_on: string`

    When the regional hostname was created

  - `hostname: string`

    DNS hostname to be regionalized, must be a subdomain of the zone. Wildcards are supported for one level, e.g `*.example.com`

  - `region_key: string`

    Identifying key for the region

  - `routing?: string`

    Configure which routing method to use for the regional hostname

### Example

```node
import Cloudflare from 'cloudflare';

const client = new Cloudflare({
  apiToken: process.env['CLOUDFLARE_API_TOKEN'], // This is the default and can be omitted
});

const regionalHostname = await client.addressing.regionalHostnames.create({
  zone_id: '023e105f4ecef8ad9ca31a8372d0c353',
  hostname: 'foo.example.com',
  region_key: 'ca',
});

console.log(regionalHostname.created_on);
```

#### Response

```json
{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "success": true,
  "result": {
    "created_on": "2014-01-01T05:20:00.12345Z",
    "hostname": "foo.example.com",
    "region_key": "ca",
    "routing": "dns"
  }
}
```