curl https://api.thanxsandbox.com/tier_statuses \
  -X GET \
  -H "Content-Type: application/json"  \
  -H "Accept-Version: v4.0" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer ${token}" \
  -H "X-ClientId: ${client_id}" 

{
  "tier_statuses": [
    {
      "id": "weourif",
      "user_id": "woeru",
      "merchant_id": "werouwer",
      "level": "bronze",
      "action_text": "Spend $100 before the end of the year to earn Silver.",
      "progress": 50,
      "expires_at": "2021-01-01T20:00:00Z",
      "current_tier_name": "Bronze",
      "next_tier_name": "Silver"
    }
  ]
}