curl --request GET \
  --url https://{cluster}.voucherify.io/v1/promotions/tiers \
  --header 'Authorization: Bearer <token>' \
  --header 'X-App-Id: <api-key>' \
  --header 'X-App-Token: <api-key>'

{
  "object": "list",
  "data_ref": "tiers",
  "tiers": [
    {
      "id": "promo_NzjTc3ZXTe7md5SziK3uYtei",
      "created_at": "2022-09-21T11:38:34.962Z",
      "name": "Order more than $100",
      "banner": "Order more than $100",
      "action": {
        "discount": {
          "type": "AMOUNT",
          "amount_off": 3000,
          "effect": "APPLY_TO_ORDER"
        }
      },
      "metadata": {},
      "hierarchy": 1,
      "promotion_id": "camp_VEL7UX0jZjrvLx3hfNZBVzpq",
      "campaign": {
        "id": "camp_VEL7UX0jZjrvLx3hfNZBVzpq",
        "start_date": "2022-09-21T00:00:00.000Z",
        "expiration_date": "2022-09-30T00:00:00.000Z",
        "validity_timeframe": {
          "interval": "P3D",
          "duration": "P2D"
        },
        "validity_day_of_week": [
          1,
          2,
          3,
          4,
          5
        ],
        "active": true,
        "category_id": "cat_0bb81a481615a37b5e",
        "object": "campaign"
      },
      "campaign_id": "camp_VEL7UX0jZjrvLx3hfNZBVzpq",
      "active": true,
      "start_date": "2022-09-21T00:00:00.000Z",
      "expiration_date": "2022-09-30T00:00:00.000Z",
      "validity_timeframe": {
        "interval": "P3D",
        "duration": "P2D"
      },
      "validity_day_of_week": [
        1,
        2
      ],
      "summary": {
        "redemptions": {
          "total_redeemed": 0
        },
        "orders": {
          "total_amount": 0,
          "total_discount_amount": 0
        }
      },
      "object": "promotion_tier",
      "validation_rule_assignments": null
    },
    {
      "id": "promo_RaYHtUBre5jU8frUXOvYBtlN",
      "created_at": "2021-12-15T11:34:01.358Z",
      "updated_at": "2022-02-09T09:20:08.619Z",
      "name": "Hot Promotion - Tier 2",
      "banner": "Get Tier 2 Discount $20 Off",
      "action": {
        "discount": {
          "type": "AMOUNT",
          "amount_off": 2000,
          "effect": "APPLY_TO_ORDER"
        }
      },
      "metadata": {},
      "hierarchy": 2,
      "promotion_id": "camp_5h0wc453_5",
      "campaign": {
        "id": "camp_5h0wc453_5",
        "start_date": null,
        "expiration_date": null,
        "active": true,
        "category_id": "cat_0b688929a2476386a6",
        "object": "campaign"
      },
      "campaign_id": "camp_5h0wc453_5",
      "active": true,
      "summary": {
        "redemptions": {
          "total_redeemed": 33
        },
        "orders": {
          "total_amount": 519200,
          "total_discount_amount": 66000
        }
      },
      "object": "promotion_tier",
      "validation_rule_assignments": {
        "object": "list",
        "data_ref": "data",
        "data": [
          {
            "id": "asgm_pEe1inoYSfmO12p7",
            "rule_id": "val_5h0wc453_5",
            "related_object_id": "promo_RaYHtUBre5jU8frUXOvYBtlN",
            "related_object_type": "promotion_tier",
            "created_at": "2021-12-15T11:34:01.358Z",
            "object": "validation_rules_assignment"
          }
        ],
        "total": 1
      }
    },
    {
      "id": "promo_63fYCt81Aw0h7lzyRkrGZh9p",
      "created_at": "2021-12-15T11:34:01.333Z",
      "updated_at": "2022-02-09T09:20:05.603Z",
      "name": "Hot Promotion - Tier 1",
      "banner": "Get Tier 1 Discount 10zl",
      "action": {
        "discount": {
          "type": "AMOUNT",
          "amount_off": 1000,
          "effect": "APPLY_TO_ORDER"
        }
      },
      "metadata": {
        "ProductionMetaData": "Hot Promotion - Tier 1"
      },
      "hierarchy": 1,
      "promotion_id": "camp_5h0wc453_5",
      "campaign": {
        "id": "camp_5h0wc453_5",
        "start_date": null,
        "expiration_date": null,
        "active": true,
        "category_id": "cat_0b688929a2476386a6",
        "object": "campaign"
      },
      "campaign_id": "camp_5h0wc453_5",
      "active": true,
      "summary": {
        "redemptions": {
          "total_redeemed": 11
        },
        "orders": {
          "total_amount": 1414979,
          "total_discount_amount": 11000
        }
      },
      "object": "promotion_tier",
      "validation_rule_assignments": {
        "object": "list",
        "data_ref": "data",
        "data": [
          {
            "id": "asgm_QqYs7GGVy7cuh3L9",
            "rule_id": "val_5h0wc453_4",
            "related_object_id": "promo_63fYCt81Aw0h7lzyRkrGZh9p",
            "related_object_type": "promotion_tier",
            "created_at": "2021-12-15T11:34:01.333Z",
            "object": "validation_rules_assignment"
          }
        ],
        "total": 1
      }
    }
  ],
  "total": 3
}