# Master Inbox from your code (/docs/engage/master-inbox/api)

Authenticated with `?privateKey=YOUR_KEY` (see [Authentication](/docs/authentication)).

<Endpoints ops={["GET /v3/inbox", "GET /v3/inbox/{emailId}", "POST /v3/inbox/{emailId}/reply", "POST /v3/inbox/{emailId}/archive"]} />

<ApiPlayground
  ops={["GET /v3/inbox", "GET /v3/inbox/{emailId}", "POST /v3/inbox/{emailId}/reply", "POST /v3/inbox/{emailId}/archive"]}
  method="get"
  path="/v3/inbox"
  tool="get_inbox_emails"
  args={`{
  "websiteId": "64b7f0a1c2d3e4f5a6b7c8d9"
}`}
/>

## Use case: Send replies to your helpdesk [#use-case-send-replies-to-your-helpdesk]

Poll `GET /v3/inbox`, read each thread with `GET /v3/inbox/{emailId}`, and answer with `POST /v3/inbox/{emailId}/reply`.