## Create an origin cloud region mapping

`client.cache.originCloudRegions.create(OriginCloudRegionCreateParamsparams, RequestOptionsoptions?): OriginCloudRegionCreateResponse`

**post** `/zones/{zone_id}/cache/origin_cloud_regions`

Adds a single IP-to-cloud-region mapping for the zone. The IP must be a valid IPv4 or IPv6 address and is normalized to canonical form before storage (RFC 5952 for IPv6). Returns 400 (code 1145) if a mapping for that IP already exists — use PATCH to update an existing entry. The vendor and region are validated against the list from `GET /zones/{zone_id}/cache/origin_cloud_regions/supported_regions`.

### Parameters

- `params: OriginCloudRegionCreateParams`

  - `zone_id: string`

    Path param: Identifier.

  - `ip: string`

    Body param: Origin IP address (IPv4 or IPv6). Normalized to canonical form before storage (RFC 5952 for IPv6).

  - `region: string`

    Body param: Cloud vendor region identifier. Must be a valid region for the specified vendor as returned by the supported_regions endpoint.

  - `vendor: "aws" | "azure" | "gcp" | "oci"`

    Body param: Cloud vendor hosting the origin. Must be one of the supported vendors.

    - `"aws"`

    - `"azure"`

    - `"gcp"`

    - `"oci"`

### Returns

- `OriginCloudRegionCreateResponse`

  Response result for a single origin cloud region mapping.

  - `id: "origin_public_cloud_region"`

    - `"origin_public_cloud_region"`

  - `editable: boolean`

    Whether the setting can be modified by the current user.

  - `value: OriginCloudRegion`

    A single origin IP-to-cloud-region mapping.

    - `"origin-ip": string`

      The origin IP address (IPv4 or IPv6, canonicalized).

    - `region: string`

      Cloud vendor region identifier.

    - `vendor: "aws" | "azure" | "gcp" | "oci"`

      Cloud vendor hosting the origin.

      - `"aws"`

      - `"azure"`

      - `"gcp"`

      - `"oci"`

    - `modified_on?: string`

      Time this mapping was last modified.

  - `modified_on?: string`

    Time the mapping was last modified.

### 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 originCloudRegion = await client.cache.originCloudRegions.create({
  zone_id: '023e105f4ecef8ad9ca31a8372d0c353',
  ip: '192.0.2.1',
  region: 'us-east-1',
  vendor: 'aws',
});

console.log(originCloudRegion.id);
```

#### Response

```json
{
  "errors": [],
  "messages": [],
  "result": {
    "editable": true,
    "id": "origin_public_cloud_region",
    "modified_on": "2026-03-01T12:00:00Z",
    "value": {
      "modified_on": "2026-03-01T12:00:00Z",
      "origin-ip": "192.0.2.1",
      "region": "us-east-1",
      "vendor": "aws"
    }
  },
  "success": true
}
```