> ## Documentation Index
> Fetch the complete documentation index at: https://opensandbox-oc-s-762ac928075c46d2828bcb22.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Create Preview URL

Create a preview URL to expose a port from the sandbox.

<ParamField path="id" type="string" required>
  Sandbox ID
</ParamField>

<ParamField body="port" type="integer" required>
  Container port (1–65535)
</ParamField>

<ParamField body="domain" type="string">
  Custom domain
</ParamField>

<ParamField body="authConfig" type="object">
  Authentication configuration
</ParamField>

<ResponseExample>
  ```json 201 theme={null}
  {
    "id": "pv-abc123",
    "sandboxId": "sb-abc123",
    "hostname": "sb-abc123-p3000.workers.opencomputer.dev",
    "port": 3000,
    "sslStatus": "active",
    "createdAt": "2025-01-15T10:30:00Z"
  }
  ```
</ResponseExample>