curl --request GET \
  --url https://api.zavu.dev/v1/invitations/{invitationId} \
  --header 'Authorization: Bearer <token>'

{
  "invitation": {
    "id": "inv_abc123",
    "url": "https://dashboard.zavu.dev/invite/abc123xyz",
    "token": "<string>",
    "status": "pending",
    "expiresAt": "2023-11-07T05:31:56Z",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "clientName": "<string>",
    "clientEmail": "<string>",
    "clientPhone": "<string>",
    "phoneNumberId": "<string>",
    "senderId": "<string>",
    "viewedAt": "2023-11-07T05:31:56Z",
    "startedAt": "2023-11-07T05:31:56Z",
    "completedAt": "2023-11-07T05:31:56Z"
  }
}