diff --git a/reference/OpenAPI.json b/reference/OpenAPI.json
index 88e5ec1d3..73fa0fd31 100644
--- a/reference/OpenAPI.json
+++ b/reference/OpenAPI.json
@@ -9560,38 +9560,6 @@
           "object"
         ]
       },
-      "reward_parameters": {
-        "title": "Reward Object Parameters",
-        "type": "object",
-        "properties": {
-          "parameters": {
-            "oneOf": [
-              {
-                "$ref": "#/components/schemas/reward_parameters_CAMPAIGN"
-              },
-              {
-                "$ref": "#/components/schemas/reward_parameters_COIN"
-              },
-              {
-                "$ref": "#/components/schemas/reward_parameters_MATERIAL"
-              }
-            ],
-            "description": "Defines how the reward is generated."
-          },
-          "type": {
-            "description": "Reward type.",
-            "enum": [
-              "CAMPAIGN",
-              "COIN",
-              "MATERIAL"
-            ]
-          }
-        },
-        "required": [
-          "parameters",
-          "type"
-        ]
-      },
       "reward": {
         "title": "Reward",
         "description": "This is an object representing a reward.",
@@ -9606,7 +9574,7 @@
             "$ref": "#/components/schemas/reward_base"
           },
           {
-            "$ref": "#/components/schemas/reward_parameters"
+            "$ref": "#/components/schemas/reward_type"
           },
           {
             "$ref": "#/components/schemas/reward_response_data"
@@ -9723,30 +9691,6 @@
           }
         }
       },
-      "reward_parameters_CAMPAIGN": {
-        "title": "Digital",
-        "type": "object",
-        "description": "These are parameters representing a digital (CAMPAIGN) reward. These can be in the form of discount coupons, gift card credits, or loyalty point credits.",
-        "properties": {
-          "campaign": {
-            "description": "Objects stores information about the campaign related to the reward.",
-            "anyOf": [
-              {
-                "$ref": "#/components/schemas/4_obj_reward_object_parameters_CAMPAIGN_DISCOUNT_COUPONS"
-              },
-              {
-                "$ref": "#/components/schemas/4_obj_reward_object_parameters_CAMPAIGN_GIFT_VOUCHERS"
-              },
-              {
-                "$ref": "#/components/schemas/4_obj_reward_object_parameters_CAMPAIGN_LOYALTY_PROGRAM"
-              }
-            ]
-          }
-        },
-        "required": [
-          "campaign"
-        ]
-      },
       "4_obj_reward_object_parameters_CAMPAIGN_DISCOUNT_COUPONS": {
         "title": "Discount Coupons",
         "type": "object",
@@ -9841,34 +9785,6 @@
           }
         }
       },
-      "reward_parameters_COIN": {
-        "title": "Pay with Points",
-        "type": "object",
-        "description": "These are parameters representing a Pay with Points (COIN) reward. ",
-        "properties": {
-          "coin": {
-            "type": "object",
-            "description": "Defines the ratio by mapping the number of loyalty points in `points_ratio` to a predefined cash amount in `exchange_ratio`.",
-            "required": [
-              "exchange_ratio",
-              "points_ratio"
-            ],
-            "properties": {
-              "exchange_ratio": {
-                "type": "integer",
-                "description": "The cash equivalent of the points defined in the `points_ratio` property."
-              },
-              "points_ratio": {
-                "type": "integer",
-                "description": "The number of loyalty points that will map to the predefined cash amount defined by the `exchange_ratio` property."
-              }
-            }
-          }
-        },
-        "required": [
-          "coin"
-        ]
-      },
       "4_obj_reward_object_parameters_MATERIAL": {
         "title": "Material",
         "type": "object",
@@ -9895,39 +9811,6 @@
           }
         }
       },
-      "reward_parameters_MATERIAL": {
-        "title": "Material",
-        "type": "object",
-        "description": "These are parameters representing products as a (MATERIAL) reward.",
-        "properties": {
-          "product": {
-            "type": "object",
-            "description": "Contains information about the product given as a reward.",
-            "required": [
-              "id",
-              "sku_id"
-            ],
-            "properties": {
-              "id": {
-                "type": "string",
-                "example": "prod_0b7d7dfb05cbe5c616",
-                "description": "Unique product ID, assigned by Voucherify. "
-              },
-              "sku_id": {
-                "type": [
-                  "string",
-                  "null"
-                ],
-                "description": "Unique SKU ID, assigned by Voucherify, of the SKU given as a reward.",
-                "example": "sku_0b7d7dfb090be5c619"
-              }
-            }
-          }
-        },
-        "required": [
-          "product"
-        ]
-      },
       "4_req_create_reward": {
         "title": "Create Reward Request Body",
         "description": "Request body schema for **POST** `/rewards`.",
@@ -41368,84 +41251,21 @@
           "object"
         ]
       },
-      "Reward": {
-        "allOf": [
-          {
-            "type": "object",
-            "properties": {
-              "id": {
-                "type": "string",
-                "description": "Unique reward ID, assigned by Voucherify."
-              },
-              "name": {
-                "type": "string",
-                "description": "Reward name."
-              },
-              "stock": {
-                "type": "integer",
-                "description": "Configurable for material rewards. The number of units of the product that you want to share as reward."
-              },
-              "redeemed": {
-                "type": "integer",
-                "description": "Defines the number of already invoked (successful) reward redemptions."
-              },
-              "attributes": {
-                "type": "object",
-                "description": "These properties are configurable for material rewards.",
-                "properties": {
-                  "image_url": {
-                    "type": "string",
-                    "description": "The HTTPS URL pointing to the .png or .jpg file."
-                  },
-                  "description": {
-                    "type": "string",
-                    "description": "An arbitrary string that you can attach to a material reward."
-                  }
-                }
-              },
-              "created_at": {
-                "type": "string",
-                "format": "date-time",
-                "description": "Timestamp representing the date and time when the reward was created in ISO 8601 format."
-              },
-              "updated_at": {
-                "type": "string",
-                "format": "date-time",
-                "description": "Timestamp representing the date and time when the reward was updated in ISO 8601 format."
-              },
-              "object": {
-                "type": "string",
-                "default": "reward",
-                "pattern": "reward",
-                "description": "The type of object represented by the JSON. This object stores information about the reward."
-              }
-            },
-            "required": [
-              "id",
-              "created_at",
-              "object"
-            ]
-          },
-          {
-            "$ref": "#/components/schemas/RewardType"
-          }
-        ]
-      },
-      "RewardType": {
+      "reward_type": {
         "title": "Reward Type",
         "anyOf": [
           {
-            "$ref": "#/components/schemas/RewardTypeCampaign"
+            "$ref": "#/components/schemas/reward_type_campaign"
           },
           {
-            "$ref": "#/components/schemas/RewardTypeCoin"
+            "$ref": "#/components/schemas/reward_type_coin"
           },
           {
-            "$ref": "#/components/schemas/RewardTypeMaterial"
+            "$ref": "#/components/schemas/reward_type_material"
           }
         ]
       },
-      "RewardTypeCoin": {
+      "reward_type_coin": {
         "title": "Reward Type Coin",
         "type": "object",
         "properties": {
@@ -41488,7 +41308,7 @@
           "parameters"
         ]
       },
-      "RewardTypeMaterial": {
+      "reward_type_material": {
         "title": "Reward Type Material",
         "type": "object",
         "properties": {
@@ -41535,7 +41355,7 @@
           "parameters"
         ]
       },
-      "RewardTypeCampaign": {
+      "reward_type_campaign": {
         "title": "Reward Type Campaign",
         "type": "object",
         "properties": {