List users in the caller's organization

curl 'https://api.expiryedge.com/v1/getUsers' \
  -H "Authorization: Bearer $EXPIRYEDGE_API_KEY"

{
  "users": [
    {
      "id": "u_71bXq",
      "email": "priya.shah@northwinddental.com",
      "displayName": "Priya Shah",
      "firstName": "Priya",
      "lastName": "Shah",
      "role": "admin",
      "user_type": "organization",
      "organization_id": "org_northwind",
      "status": "active",
      "created_at": "2026-09-27T14:05:00.000Z"
    }
  ]
}