diff --git a/docs/docs.go b/docs/docs.go
index 0111bc4..a232b91 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -68,6 +68,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Получить все записи мерча",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch"
                 ],
@@ -103,6 +106,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Обновить информацию про мерч по его uuid в json-е",
+                "consumes": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch"
                 ],
@@ -145,6 +151,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Получить картинки по merch_uuid и query параметрам",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch images"
                 ],
@@ -287,6 +296,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Получить все метки товаров",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch labels"
                 ],
@@ -322,6 +334,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Создать новую метку для товара",
+                "consumes": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch labels"
                 ],
@@ -364,6 +379,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Прикрепить метку к товару",
+                "consumes": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch labels"
                 ],
@@ -406,6 +424,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Удалить привязку метки к товару",
+                "consumes": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch labels"
                 ],
@@ -441,6 +462,47 @@ const docTemplate = `{
             }
         },
         "/merch/labels/{uuid}": {
+            "get": {
+                "security": [
+                    {
+                        "BearerAuth": []
+                    }
+                ],
+                "description": "Получить метки товара по его uuid",
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Merch labels"
+                ],
+                "summary": "Получить метки товара по его uuid",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "label uuid",
+                        "name": "uuid",
+                        "in": "path",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    },
+                    "400": {
+                        "description": "Bad Request",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse400"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse500"
+                        }
+                    }
+                }
+            },
             "put": {
                 "security": [
                     {
@@ -448,6 +510,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Изменить метку",
+                "consumes": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch labels"
                 ],
@@ -527,6 +592,136 @@ const docTemplate = `{
                 }
             }
         },
+        "/merch/zeroprices": {
+            "get": {
+                "security": [
+                    {
+                        "BearerAuth": []
+                    }
+                ],
+                "description": "Получить нулевые цены",
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Merch zero prices"
+                ],
+                "summary": "Получить нулевые цены",
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/merch.ZeroPrice"
+                            }
+                        }
+                    },
+                    "400": {
+                        "description": "Bad Request",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse400"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse500"
+                        }
+                    }
+                }
+            },
+            "delete": {
+                "security": [
+                    {
+                        "BearerAuth": []
+                    }
+                ],
+                "description": "Пометить нулевые цены как удаленные",
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Merch zero prices"
+                ],
+                "summary": "Пометить нулевые цены как удаленные",
+                "parameters": [
+                    {
+                        "description": "payload",
+                        "name": "payload",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/merch.DeleteZeroPrices"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    },
+                    "400": {
+                        "description": "Bad Request",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse400"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse500"
+                        }
+                    }
+                }
+            }
+        },
+        "/merch/zeroprices/period": {
+            "delete": {
+                "security": [
+                    {
+                        "BearerAuth": []
+                    }
+                ],
+                "description": "Пометить нулевые цены как удаленные за указанный период",
+                "tags": [
+                    "Merch zero prices"
+                ],
+                "summary": "Пометить нулевые цены как удаленные за указанный период",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "start",
+                        "name": "start",
+                        "in": "query",
+                        "required": true
+                    },
+                    {
+                        "type": "string",
+                        "description": "end",
+                        "name": "end",
+                        "in": "query",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    },
+                    "400": {
+                        "description": "Bad Request",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse400"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse500"
+                        }
+                    }
+                }
+            }
+        },
         "/merch/{uuid}": {
             "get": {
                 "security": [
@@ -535,6 +730,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Получить всю информацию про мерч по его uuid",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch"
                 ],
@@ -619,6 +817,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Получить цены мерча за период",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch"
                 ],
@@ -664,6 +865,9 @@ const docTemplate = `{
                     }
                 ],
                 "description": "Получить перепады цен мерча за период по его merch_uuid",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch"
                 ],
@@ -1018,6 +1222,17 @@ const docTemplate = `{
                 }
             }
         },
+        "merch.DeleteZeroPrices": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "type": "integer"
+                },
+                "merch_uuid": {
+                    "type": "string"
+                }
+            }
+        },
         "merch.ImageLink": {
             "type": "object",
             "properties": {
@@ -1074,6 +1289,12 @@ const docTemplate = `{
         "merch.ListResponse": {
             "type": "object",
             "properties": {
+                "labels": {
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
                 "merch_uuid": {
                     "type": "string"
                 },
@@ -1093,6 +1314,12 @@ const docTemplate = `{
         "merch.MerchDTO": {
             "type": "object",
             "properties": {
+                "labels": {
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
                 "merch_uuid": {
                     "type": "string"
                 },
@@ -1174,6 +1401,26 @@ const docTemplate = `{
                 }
             }
         },
+        "merch.ZeroPrice": {
+            "type": "object",
+            "properties": {
+                "created_at": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "integer"
+                },
+                "merch_uuid": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "origin": {
+                    "type": "string"
+                }
+            }
+        },
         "responses.ErrorResponse400": {
             "type": "object",
             "properties": {
diff --git a/docs/swagger.json b/docs/swagger.json
index 7b17bd7..74a0031 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -60,6 +60,9 @@
                     }
                 ],
                 "description": "Получить все записи мерча",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch"
                 ],
@@ -95,6 +98,9 @@
                     }
                 ],
                 "description": "Обновить информацию про мерч по его uuid в json-е",
+                "consumes": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch"
                 ],
@@ -137,6 +143,9 @@
                     }
                 ],
                 "description": "Получить картинки по merch_uuid и query параметрам",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch images"
                 ],
@@ -279,6 +288,9 @@
                     }
                 ],
                 "description": "Получить все метки товаров",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch labels"
                 ],
@@ -314,6 +326,9 @@
                     }
                 ],
                 "description": "Создать новую метку для товара",
+                "consumes": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch labels"
                 ],
@@ -356,6 +371,9 @@
                     }
                 ],
                 "description": "Прикрепить метку к товару",
+                "consumes": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch labels"
                 ],
@@ -398,6 +416,9 @@
                     }
                 ],
                 "description": "Удалить привязку метки к товару",
+                "consumes": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch labels"
                 ],
@@ -433,6 +454,47 @@
             }
         },
         "/merch/labels/{uuid}": {
+            "get": {
+                "security": [
+                    {
+                        "BearerAuth": []
+                    }
+                ],
+                "description": "Получить метки товара по его uuid",
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Merch labels"
+                ],
+                "summary": "Получить метки товара по его uuid",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "label uuid",
+                        "name": "uuid",
+                        "in": "path",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    },
+                    "400": {
+                        "description": "Bad Request",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse400"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse500"
+                        }
+                    }
+                }
+            },
             "put": {
                 "security": [
                     {
@@ -440,6 +502,9 @@
                     }
                 ],
                 "description": "Изменить метку",
+                "consumes": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch labels"
                 ],
@@ -519,6 +584,136 @@
                 }
             }
         },
+        "/merch/zeroprices": {
+            "get": {
+                "security": [
+                    {
+                        "BearerAuth": []
+                    }
+                ],
+                "description": "Получить нулевые цены",
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Merch zero prices"
+                ],
+                "summary": "Получить нулевые цены",
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/merch.ZeroPrice"
+                            }
+                        }
+                    },
+                    "400": {
+                        "description": "Bad Request",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse400"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse500"
+                        }
+                    }
+                }
+            },
+            "delete": {
+                "security": [
+                    {
+                        "BearerAuth": []
+                    }
+                ],
+                "description": "Пометить нулевые цены как удаленные",
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Merch zero prices"
+                ],
+                "summary": "Пометить нулевые цены как удаленные",
+                "parameters": [
+                    {
+                        "description": "payload",
+                        "name": "payload",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/merch.DeleteZeroPrices"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    },
+                    "400": {
+                        "description": "Bad Request",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse400"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse500"
+                        }
+                    }
+                }
+            }
+        },
+        "/merch/zeroprices/period": {
+            "delete": {
+                "security": [
+                    {
+                        "BearerAuth": []
+                    }
+                ],
+                "description": "Пометить нулевые цены как удаленные за указанный период",
+                "tags": [
+                    "Merch zero prices"
+                ],
+                "summary": "Пометить нулевые цены как удаленные за указанный период",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "start",
+                        "name": "start",
+                        "in": "query",
+                        "required": true
+                    },
+                    {
+                        "type": "string",
+                        "description": "end",
+                        "name": "end",
+                        "in": "query",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    },
+                    "400": {
+                        "description": "Bad Request",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse400"
+                        }
+                    },
+                    "500": {
+                        "description": "Internal Server Error",
+                        "schema": {
+                            "$ref": "#/definitions/responses.ErrorResponse500"
+                        }
+                    }
+                }
+            }
+        },
         "/merch/{uuid}": {
             "get": {
                 "security": [
@@ -527,6 +722,9 @@
                     }
                 ],
                 "description": "Получить всю информацию про мерч по его uuid",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch"
                 ],
@@ -611,6 +809,9 @@
                     }
                 ],
                 "description": "Получить цены мерча за период",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch"
                 ],
@@ -656,6 +857,9 @@
                     }
                 ],
                 "description": "Получить перепады цен мерча за период по его merch_uuid",
+                "produces": [
+                    "application/json"
+                ],
                 "tags": [
                     "Merch"
                 ],
@@ -1010,6 +1214,17 @@
                 }
             }
         },
+        "merch.DeleteZeroPrices": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "type": "integer"
+                },
+                "merch_uuid": {
+                    "type": "string"
+                }
+            }
+        },
         "merch.ImageLink": {
             "type": "object",
             "properties": {
@@ -1066,6 +1281,12 @@
         "merch.ListResponse": {
             "type": "object",
             "properties": {
+                "labels": {
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
                 "merch_uuid": {
                     "type": "string"
                 },
@@ -1085,6 +1306,12 @@
         "merch.MerchDTO": {
             "type": "object",
             "properties": {
+                "labels": {
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
                 "merch_uuid": {
                     "type": "string"
                 },
@@ -1166,6 +1393,26 @@
                 }
             }
         },
+        "merch.ZeroPrice": {
+            "type": "object",
+            "properties": {
+                "created_at": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "integer"
+                },
+                "merch_uuid": {
+                    "type": "string"
+                },
+                "name": {
+                    "type": "string"
+                },
+                "origin": {
+                    "type": "string"
+                }
+            }
+        },
         "responses.ErrorResponse400": {
             "type": "object",
             "properties": {
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index 3dadf18..31eaa0d 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -7,6 +7,13 @@ definitions:
       thumbnail:
         type: string
     type: object
+  merch.DeleteZeroPrices:
+    properties:
+      id:
+        type: integer
+      merch_uuid:
+        type: string
+    type: object
   merch.ImageLink:
     properties:
       etag:
@@ -43,6 +50,10 @@ definitions:
     type: object
   merch.ListResponse:
     properties:
+      labels:
+        items:
+          type: string
+        type: array
       merch_uuid:
         type: string
       name:
@@ -55,6 +66,10 @@ definitions:
     type: object
   merch.MerchDTO:
     properties:
+      labels:
+        items:
+          type: string
+        type: array
       merch_uuid:
         type: string
       name:
@@ -107,6 +122,19 @@ definitions:
       origin:
         type: string
     type: object
+  merch.ZeroPrice:
+    properties:
+      created_at:
+        type: string
+      id:
+        type: integer
+      merch_uuid:
+        type: string
+      name:
+        type: string
+      origin:
+        type: string
+    type: object
   responses.ErrorResponse400:
     properties:
       error:
@@ -205,6 +233,8 @@ paths:
   /merch/:
     get:
       description: Получить все записи мерча
+      produces:
+      - application/json
       responses:
         "200":
           description: OK
@@ -226,6 +256,8 @@ paths:
       tags:
       - Merch
     put:
+      consumes:
+      - application/json
       description: Обновить информацию про мерч по его uuid в json-е
       parameters:
       - description: merch_uuid
@@ -285,6 +317,8 @@ paths:
         name: uuid
         required: true
         type: string
+      produces:
+      - application/json
       responses:
         "200":
           description: OK
@@ -341,6 +375,8 @@ paths:
         name: type
         required: true
         type: string
+      produces:
+      - application/json
       responses:
         "200":
           description: OK
@@ -398,6 +434,8 @@ paths:
   /merch/labels:
     get:
       description: Получить все метки товаров
+      produces:
+      - application/json
       responses:
         "200":
           description: OK
@@ -419,6 +457,8 @@ paths:
       tags:
       - Merch labels
     post:
+      consumes:
+      - application/json
       description: Создать новую метку для товара
       parameters:
       - description: payload
@@ -468,7 +508,35 @@ paths:
       summary: Пометить метку как удаленную
       tags:
       - Merch labels
+    get:
+      description: Получить метки товара по его uuid
+      parameters:
+      - description: label uuid
+        in: path
+        name: uuid
+        required: true
+        type: string
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+        "400":
+          description: Bad Request
+          schema:
+            $ref: '#/definitions/responses.ErrorResponse400'
+        "500":
+          description: Internal Server Error
+          schema:
+            $ref: '#/definitions/responses.ErrorResponse500'
+      security:
+      - BearerAuth: []
+      summary: Получить метки товара по его uuid
+      tags:
+      - Merch labels
     put:
+      consumes:
+      - application/json
       description: Изменить метку
       parameters:
       - description: label uuid
@@ -500,6 +568,8 @@ paths:
       - Merch labels
   /merch/labels/attach:
     post:
+      consumes:
+      - application/json
       description: Прикрепить метку к товару
       parameters:
       - description: payload
@@ -526,6 +596,8 @@ paths:
       - Merch labels
   /merch/labels/detach:
     post:
+      consumes:
+      - application/json
       description: Удалить привязку метки к товару
       parameters:
       - description: payload
@@ -550,6 +622,88 @@ paths:
       summary: Удалить привязку метки к товару
       tags:
       - Merch labels
+  /merch/zeroprices:
+    delete:
+      consumes:
+      - application/json
+      description: Пометить нулевые цены как удаленные
+      parameters:
+      - description: payload
+        in: body
+        name: payload
+        required: true
+        schema:
+          $ref: '#/definitions/merch.DeleteZeroPrices'
+      responses:
+        "200":
+          description: OK
+        "400":
+          description: Bad Request
+          schema:
+            $ref: '#/definitions/responses.ErrorResponse400'
+        "500":
+          description: Internal Server Error
+          schema:
+            $ref: '#/definitions/responses.ErrorResponse500'
+      security:
+      - BearerAuth: []
+      summary: Пометить нулевые цены как удаленные
+      tags:
+      - Merch zero prices
+    get:
+      description: Получить нулевые цены
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            items:
+              $ref: '#/definitions/merch.ZeroPrice'
+            type: array
+        "400":
+          description: Bad Request
+          schema:
+            $ref: '#/definitions/responses.ErrorResponse400'
+        "500":
+          description: Internal Server Error
+          schema:
+            $ref: '#/definitions/responses.ErrorResponse500'
+      security:
+      - BearerAuth: []
+      summary: Получить нулевые цены
+      tags:
+      - Merch zero prices
+  /merch/zeroprices/period:
+    delete:
+      description: Пометить нулевые цены как удаленные за указанный период
+      parameters:
+      - description: start
+        in: query
+        name: start
+        required: true
+        type: string
+      - description: end
+        in: query
+        name: end
+        required: true
+        type: string
+      responses:
+        "200":
+          description: OK
+        "400":
+          description: Bad Request
+          schema:
+            $ref: '#/definitions/responses.ErrorResponse400'
+        "500":
+          description: Internal Server Error
+          schema:
+            $ref: '#/definitions/responses.ErrorResponse500'
+      security:
+      - BearerAuth: []
+      summary: Пометить нулевые цены как удаленные за указанный период
+      tags:
+      - Merch zero prices
   /prices:
     get:
       description: Получить цены мерча за период
@@ -558,6 +712,8 @@ paths:
         in: query
         name: days
         type: string
+      produces:
+      - application/json
       responses:
         "200":
           description: OK
@@ -591,6 +747,8 @@ paths:
         in: query
         name: days
         type: string
+      produces:
+      - application/json
       responses:
         "200":
           description: OK
diff --git a/internal/api/merch/controller.go b/internal/api/merch/controller.go
index 41a6983..a9f922a 100644
--- a/internal/api/merch/controller.go
+++ b/internal/api/merch/controller.go
@@ -27,7 +27,6 @@ func newController(service *service, utils interfaces.Utils, expires time.Durati
 
 func (h *Handler) RegisterRoutes(r *gin.RouterGroup, authMW gin.HandlerFunc, refreshMW gin.HandlerFunc) {
 	merchGroup := r.Group("/merch", authMW)
-
 	merchGroup.POST("/", h.controller.addMerch)
 	merchGroup.GET("/:uuid", h.controller.getSingleMerch)
 	merchGroup.GET("/", h.controller.getAllMerch)
@@ -51,6 +50,13 @@ func (h *Handler) RegisterRoutes(r *gin.RouterGroup, authMW gin.HandlerFunc, ref
 	labelsGroup.POST("/attach", h.controller.attachLabel)
 	labelsGroup.POST("/detach", h.controller.detachLabel)
 	labelsGroup.GET("/:uuid", h.controller.getMerchLabels)
+
+	zeroPricesGroup := merchGroup.Group("/zeroprices", authMW)
+	zeroPricesGroup.GET("", h.controller.getZeroPrices)
+	zeroPricesGroup.DELETE("", h.controller.deleteZeroPrices)
+
+	zeroPricesGroup.DELETE("/period", h.controller.deleteZeroPricesPeriod)
+
 }
 
 // @Summary		Добавить новый мерч
@@ -92,6 +98,7 @@ func (co *controller) addMerch(c *gin.Context) {
 // @Description	Получить всю информацию про мерч по его uuid
 // @Tags			Merch
 // @Security		BearerAuth
+// @Produce		json
 // @Param			uuid			path		string	true	"merch_uuid"
 // @Success		200				{object}	MerchDTO
 // @Failure		400				{object}	responses.ErrorResponse400
@@ -125,6 +132,7 @@ func (co *controller) getSingleMerch(c *gin.Context) {
 // @Description	Получить все записи мерча
 // @Tags			Merch
 // @Security		BearerAuth
+// @Produce		json
 // @Success		200		{array}		ListResponse
 // @Failure		400		{object}	responses.ErrorResponse400
 // @Failure		500		{object}	responses.ErrorResponse500
@@ -151,6 +159,7 @@ func (co *controller) getAllMerch(c *gin.Context) {
 // @Description	Обновить информацию про мерч по его uuid в json-е
 // @Tags			Merch
 // @Security		BearerAuth
+// @Accept			json
 // @Param			body	body	UpdateMerchDTO	true	"merch_uuid"
 // @Success		200
 // @Failure		400		{object}	responses.ErrorResponse400
@@ -176,6 +185,7 @@ func (co *controller) updateMerch(c *gin.Context) {
 		log.WithError(err).Error("Merch | Failed to get single merch")
 		return
 	}
+	c.Status(http.StatusOK)
 }
 
 // @Summary		Пометить мерч как удаленный
@@ -186,6 +196,7 @@ func (co *controller) updateMerch(c *gin.Context) {
 // @Success		200				{object}	MerchDTO
 // @Failure		400				{object}	responses.ErrorResponse400
 // @Failure		500				{object}	responses.ErrorResponse500
+//
 // @Router			/merch/{uuid}	[delete]
 func (co *controller) deleteMerch(c *gin.Context) {
 	merchUuid := c.Param("uuid")
@@ -214,11 +225,16 @@ func (co *controller) deleteMerch(c *gin.Context) {
 // @Description	Получить цены мерча за период
 // @Tags			Merch
 // @Security		BearerAuth
+// @Produce		json
 // @Param			days	query		string	false	"period in days"
 // @Success		200		{array}		PricesResponse
 // @Failure		400		{object}	responses.ErrorResponse400
 // @Failure		500		{object}	responses.ErrorResponse500
 // @Router			/prices	[get]
+//
+// @Failure		400		{object}	responses.ErrorResponse400
+// @Failure		500		{object}	responses.ErrorResponse500
+// @Router			/prices	[get]
 func (co *controller) getChartsPrices(c *gin.Context) {
 	daysQuery := strings.ToLower(c.DefaultQuery("days", ""))
 
@@ -243,6 +259,7 @@ func (co *controller) getChartsPrices(c *gin.Context) {
 // @Description	Получить перепады цен мерча за период по его merch_uuid
 // @Tags			Merch
 // @Security		BearerAuth
+// @Produce		json
 // @Param			uuid			path		string	true	"merch_uuid"
 // @Param			days			query		string	false	"period in days"
 // @Success		200				{object}	PricesResponse
@@ -330,7 +347,6 @@ func (co *controller) uploadMerchImage(c *gin.Context) {
 		return
 	}
 
-	//c.Status(http.StatusOK)
 	c.JSON(http.StatusOK, response)
 }
 
@@ -338,6 +354,7 @@ func (co *controller) uploadMerchImage(c *gin.Context) {
 // @Description	Получить картинки по merch_uuid и query параметрам
 // @Tags			Merch images
 // @Security		BearerAuth
+// @Produce		json
 // @Param			uuid					path		string	true	"merch_uuid"
 // @Param			type					query		string	true	"image type"
 // @Success		200						{object}	ImageLink
@@ -384,7 +401,6 @@ func (co *controller) getMerchImage(c *gin.Context) {
 	//}
 	//
 	//c.JSON(http.StatusOK, link)
-	c.JSON(http.StatusNotImplemented, gin.H{"msg": "Method deprecated. Request images from image storage."})
 }
 
 // @Summary		Удалить (безвозвратно) картинки по merch_uuid
@@ -429,6 +445,7 @@ func (co *controller) deleteMerchImage(c *gin.Context) {
 // @Description	Создать новую метку для товара
 // @Tags			Merch labels
 // @Security		BearerAuth
+// @Accept			json
 // @Param			payload	body	LabelDTO	true	"payload"
 // @Success		200
 // @Failure		400				{object}	responses.ErrorResponse400
@@ -464,6 +481,7 @@ func (co *controller) createLabel(c *gin.Context) {
 // @Description	Получить все метки товаров
 // @Tags			Merch labels
 // @Security		BearerAuth
+// @Produce		json
 // @Success		200				{array}		LabelsList
 // @Failure		400				{object}	responses.ErrorResponse400
 // @Failure		500				{object}	responses.ErrorResponse500
@@ -492,6 +510,7 @@ func (co *controller) getLabels(c *gin.Context) {
 // @Description	Изменить метку
 // @Tags			Merch labels
 // @Security		BearerAuth
+// @Accept			json
 // @Param			uuid	path	string		true	"label uuid"
 // @Param			payload	body	LabelDTO	true	"payload"
 // @Success		200
@@ -568,6 +587,7 @@ func (co *controller) deleteLabel(c *gin.Context) {
 // @Description	Прикрепить метку к товару
 // @Tags			Merch labels
 // @Security		BearerAuth
+// @Accept			json
 // @Param			payload	body	LabelLink	true	"payload"
 // @Success		200
 // @Failure		400						{object}	responses.ErrorResponse400
@@ -602,6 +622,7 @@ func (co *controller) attachLabel(c *gin.Context) {
 // @Description	Удалить привязку метки к товару
 // @Tags			Merch labels
 // @Security		BearerAuth
+// @Accept			json
 // @Param			payload	body	LabelLink	true	"payload"
 // @Success		200
 // @Failure		400						{object}	responses.ErrorResponse400
@@ -636,6 +657,7 @@ func (co *controller) detachLabel(c *gin.Context) {
 // @Description	Получить метки товара по его uuid
 // @Tags			Merch labels
 // @Security		BearerAuth
+// @Produce		json
 // @Param			uuid	path	string	true	"label uuid"
 // @Success		200
 // @Failure		400						{object}	responses.ErrorResponse400
@@ -666,3 +688,109 @@ func (co *controller) getMerchLabels(c *gin.Context) {
 	}
 	c.JSON(http.StatusOK, response)
 }
+
+// @Summary		Получить нулевые цены
+// @Description	Получить нулевые цены
+// @Tags			Merch zero prices
+// @Security		BearerAuth
+// @Produce		json
+// @Success		200					{array}		ZeroPrice
+// @Failure		400					{object}	responses.ErrorResponse400
+// @Failure		500					{object}	responses.ErrorResponse500
+// @Router			/merch/zeroprices	[get]
+func (co *controller) getZeroPrices(c *gin.Context) {
+	const logMsg = "Merch | Get zero prices"
+
+	userUuid, err := co.utils.GetUserUuidFromContext(c)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, responses.ErrorResponse500{Error: err.Error()})
+		log.WithError(err).Error(logMsg)
+		return
+	}
+
+	response, err := co.service.getZeroPrices(userUuid)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, responses.ErrorResponse500{Error: err.Error()})
+		log.WithError(err).Error(logMsg)
+		return
+	}
+
+	c.JSON(http.StatusOK, response)
+}
+
+// @Summary		Пометить нулевые цены как удаленные
+// @Description	Пометить нулевые цены как удаленные
+// @Tags			Merch zero prices
+// @Security		BearerAuth
+// @Accept			json
+// @Param			payload	body	DeleteZeroPrices	true	"payload"
+// @Success		200
+// @Failure		400					{object}	responses.ErrorResponse400
+// @Failure		500					{object}	responses.ErrorResponse500
+// @Router			/merch/zeroprices	[delete]
+func (co *controller) deleteZeroPrices(c *gin.Context) {
+	const logMsg = "Merch | Delete zero prices"
+
+	userUuid, err := co.utils.GetUserUuidFromContext(c)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, responses.ErrorResponse500{Error: err.Error()})
+		log.WithError(err).Error(logMsg)
+		return
+	}
+
+	var payload []DeleteZeroPrices
+	if err = c.ShouldBindJSON(&payload); err != nil {
+		c.JSON(http.StatusBadRequest, responses.ErrorResponse400{Error: err.Error()})
+		log.WithError(err).Error(logMsg)
+		return
+	}
+
+	if err = co.service.deleteZeroPrices(userUuid, payload); err != nil {
+		c.JSON(http.StatusInternalServerError, responses.ErrorResponse500{Error: err.Error()})
+		log.WithError(err).Error(logMsg)
+		return
+	}
+	c.Status(http.StatusOK)
+}
+
+// @Summary		Пометить нулевые цены как удаленные за указанный период
+// @Description	Пометить нулевые цены как удаленные за указанный период
+// @Tags			Merch zero prices
+// @Security		BearerAuth
+// @Param			start	query	string				true	"start"
+// @Param			end		query	string				true	"end"
+// @Success		200
+// @Failure		400							{object}	responses.ErrorResponse400
+// @Failure		500							{object}	responses.ErrorResponse500
+// @Router			/merch/zeroprices/period	[delete]
+func (co *controller) deleteZeroPricesPeriod(c *gin.Context) {
+	const logMsg = "Merch | Delete zero prices period"
+
+	userUuid, err := co.utils.GetUserUuidFromContext(c)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, responses.ErrorResponse500{Error: err.Error()})
+		log.WithError(err).Error(logMsg)
+		return
+	}
+
+	start, err := co.utils.ParseTime(c.Query("start"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, responses.ErrorResponse400{Error: err.Error()})
+		log.WithError(err).Error(logMsg)
+		return
+	}
+
+	end, err := co.utils.ParseTime(c.Query("end"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, responses.ErrorResponse400{Error: err.Error()})
+		log.WithError(err).Error(logMsg)
+		return
+	}
+
+	if err = co.service.deleteZeroPricesPeriod(userUuid, start, end); err != nil {
+		c.JSON(http.StatusInternalServerError, responses.ErrorResponse500{Error: err.Error()})
+		log.WithError(err).Error(logMsg)
+		return
+	}
+	c.Status(http.StatusOK)
+}
diff --git a/internal/api/merch/dto.go b/internal/api/merch/dto.go
index 2f267b1..5b9180c 100644
--- a/internal/api/merch/dto.go
+++ b/internal/api/merch/dto.go
@@ -1,5 +1,7 @@
 package merch
 
+import "time"
+
 type merchBundle struct {
 	Merch     *Merch
 	Surugaya  *Surugaya
@@ -78,3 +80,16 @@ type LabelLink struct {
 	MerchUuid string `json:"merch_uuid"`
 	LabelUuid string `json:"label_uuid"`
 }
+
+type ZeroPrice struct {
+	Id        int       `json:"id"`
+	CreatedAt time.Time `json:"created_at"`
+	MerchUuid string    `json:"merch_uuid"`
+	Name      string    `json:"name"`
+	Origin    Origin    `json:"origin"`
+}
+
+type DeleteZeroPrices struct {
+	Id        uint   `json:"id"`
+	MerchUuid string `json:"merch_uuid"`
+}
diff --git a/internal/api/merch/model.go b/internal/api/merch/model.go
index 935a194..2dd6e0e 100644
--- a/internal/api/merch/model.go
+++ b/internal/api/merch/model.go
@@ -44,8 +44,8 @@ func (Mandarake) TableName() string {
 type Price struct {
 	Id        uint         `json:"id" gorm:"primary_key"`
 	CreatedAt time.Time    `json:"created_at" gorm:"column:created_at"`
-	UpdatedAt sql.NullTime `json:"updated_at" gorm:"column:updated_at"`
-	DeletedAt sql.NullTime `json:"deleted_at" gorm:"column:deleted_at"`
+	UpdatedAt sql.NullTime `json:"updated_at,omitempty" gorm:"column:updated_at"`
+	DeletedAt sql.NullTime `json:"deleted_at,omitempty" gorm:"column:deleted_at"`
 	MerchUuid string       `json:"merch_uuid" gorm:"column:merch_uuid"`
 	Price     int          `json:"price" gorm:"column:price"`
 	Origin    Origin       `json:"origin" gorm:"column:origin;type:integer"`
diff --git a/internal/api/merch/repository.go b/internal/api/merch/repository.go
index b5ecf39..fe5dd7d 100644
--- a/internal/api/merch/repository.go
+++ b/internal/api/merch/repository.go
@@ -22,6 +22,7 @@ type repository interface {
 	addMerch(bundle merchBundle) error
 
 	merchRecordExists(userUuid, merchUuid string) (bool, error)
+	userOwnsMerchUuids(userUuid string, merchUuids []string) ([]Merch, error)
 	getSingleMerch(userUuid, merchUuid string) (merchBundle, error)
 	getAllMerch(userUuid string) ([]ListResponse, error)
 
@@ -38,6 +39,10 @@ type repository interface {
 type prices interface {
 	getPricesWithDays(userUuid string, period time.Time) ([]Price, error)
 	getDistinctPrices(userUuid, merchUuid string, period time.Time) (prices []Price, err error)
+
+	getZeroPrices(userUuid string) ([]ZeroPrice, error)
+	deleteZeroPrices(list []DeleteZeroPrices) error
+	deleteZeroPricesPeriod(userUuid string, start, end time.Time) error
 }
 
 type labels interface {
@@ -81,6 +86,22 @@ func (r *Repo) merchRecordExists(userUuid, merchUuid string) (bool, error) {
 	return exists, err
 }
 
+func (r *Repo) userOwnsMerchUuids(userUuid string, merchUuids []string) ([]Merch, error) {
+	var ownsUuids []Merch
+	err := r.db.Model(&Merch{}).
+		Select("merch_uuid").
+		Where("user_uuid = ?", userUuid).
+		Where("merch_uuid IN (?)", merchUuids).
+		Where("deleted_at IS NULL").
+		Find(&ownsUuids).Error
+
+	if err != nil {
+		return nil, err
+	}
+
+	return ownsUuids, nil
+}
+
 func (r *Repo) getSingleMerch(userUuid, merchUuid string) (merchBundle, error) {
 	var merch Merch
 	if err := r.db.
@@ -311,3 +332,59 @@ func (r *Repo) getAttachedLabelsByUuid(userUuid, merchUuid string) ([]CardLabel,
 
 	return labelsList, nil
 }
+
+func (r *Repo) getZeroPrices(userUuid string) ([]ZeroPrice, error) {
+	var priceList []ZeroPrice
+	if err := r.db.Raw(`
+        WITH price_with_neighbors AS (
+            SELECT
+				p.id, p.created_at, p.merch_uuid, p.price, p.origin, m.name,
+				LAG(price) OVER (PARTITION BY p.merch_uuid, p.origin ORDER BY p.created_at, p.id) AS prev_price,
+				LEAD(price) OVER (PARTITION BY p.merch_uuid, p.origin ORDER BY p.created_at, p.id) AS next_price
+			FROM prices AS p
+			JOIN merch as m ON m.merch_uuid = p.merch_uuid
+			WHERE p.deleted_at IS NULL
+            AND m.deleted_at IS NULL
+			AND m.user_uuid = ?)
+
+		SELECT
+			id, created_at, merch_uuid, origin, name
+		FROM price_with_neighbors
+		WHERE
+			price = 0
+			AND prev_price IS NOT NULL
+			AND prev_price > 0
+			AND next_price IS NOT NULL
+			AND next_price > 0;
+	`, userUuid).Scan(&priceList).Error; err != nil {
+		return nil, err
+	}
+	return priceList, nil
+}
+
+func (r *Repo) deleteZeroPrices(list []DeleteZeroPrices) error {
+	for _, item := range list {
+		if err := r.db.Model(&Price{}).
+			Where("id = ? AND merch_uuid = ?", item.Id, item.MerchUuid).
+			Update("deleted_at", time.Now().UTC()).Error; err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (r *Repo) deleteZeroPricesPeriod(userUuid string, start, end time.Time) error {
+	if err := r.db.Exec(`
+		UPDATE prices
+		SET deleted_at = ?
+		FROM merch
+		WHERE prices.merch_uuid = merch.merch_uuid
+		  AND merch.user_uuid = ?                    
+		  AND prices.price = 0
+		  AND prices.deleted_at IS NULL
+		  AND prices.created_at BETWEEN ? AND ?;
+	`, time.Now().UTC(), userUuid, start, end).Error; err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/internal/api/merch/service.go b/internal/api/merch/service.go
index 4689453..ae6c2f5 100644
--- a/internal/api/merch/service.go
+++ b/internal/api/merch/service.go
@@ -612,3 +612,57 @@ func (s *service) getMerchLabels(userUuid, merchUuid string) ([]string, error) {
 
 	return response, nil
 }
+
+func (s *service) getZeroPrices(userUuid string) ([]ZeroPrice, error) {
+	return s.repo.getZeroPrices(userUuid)
+}
+
+func (s *service) deleteZeroPrices(userUuid string, list []DeleteZeroPrices) error {
+	const delMsg = "Merch - service | Delete zero prices"
+	if len(list) == 0 {
+		return nil
+	}
+
+	ids := make([]string, 0, len(list))
+	for _, item := range list {
+		ids = append(ids, item.MerchUuid)
+	}
+
+	uniqueMap := make(map[string]struct{}, len(list))
+	uniqueIds := make([]string, 0, len(list))
+	for _, id := range ids {
+		if _, ok := uniqueMap[id]; !ok {
+			uniqueMap[id] = struct{}{}
+			uniqueIds = append(uniqueIds, id)
+		}
+	}
+
+	log.WithField("uuid count", len(uniqueIds)).Debug(delMsg)
+
+	owns, err := s.repo.userOwnsMerchUuids(userUuid, uniqueIds)
+	if err != nil {
+		return err
+	}
+
+	if len(owns) < 1 {
+		return errors.New("wrong ids")
+	}
+
+	ownsMap := make(map[string]struct{}, len(owns))
+	for _, own := range owns {
+		ownsMap[own.MerchUuid] = struct{}{}
+	}
+
+	toDelete := make([]DeleteZeroPrices, 0, len(owns))
+	for _, item := range list {
+		if _, ok := ownsMap[item.MerchUuid]; ok {
+			toDelete = append(toDelete, item)
+		}
+	}
+
+	return s.repo.deleteZeroPrices(toDelete)
+}
+
+func (s *service) deleteZeroPricesPeriod(userUuid string, start, end time.Time) error {
+	return s.repo.deleteZeroPricesPeriod(userUuid, start, end)
+}
diff --git a/internal/api/user/controller.go b/internal/api/user/controller.go
index 212865a..48128f6 100644
--- a/internal/api/user/controller.go
+++ b/internal/api/user/controller.go
@@ -26,10 +26,10 @@ func newController(service *service, utils interfaces.Utils) *controller {
 func (h *Handler) RegisterRoutes(r *gin.RouterGroup, authMW gin.HandlerFunc, refreshMW gin.HandlerFunc) {
 	userGroup := r.Group("/user")
 
-	userGroup.POST("/", h.controller.register)
-	userGroup.GET("/", authMW, h.controller.get)
-	userGroup.PUT("/", authMW, h.controller.update)
-	userGroup.DELETE("/", authMW, h.controller.delete)
+	userGroup.POST("", h.controller.register)
+	userGroup.GET("", authMW, h.controller.get)
+	userGroup.PUT("", authMW, h.controller.update)
+	userGroup.DELETE("", authMW, h.controller.delete)
 
 	//auth
 	h.controller.authPath = fmt.Sprintf("%s/user/auth", h.apiPrefix)
diff --git a/internal/api/user/repository.go b/internal/api/user/repository.go
index 87d2b2d..4b0b754 100644
--- a/internal/api/user/repository.go
+++ b/internal/api/user/repository.go
@@ -40,7 +40,7 @@ func (r *repo) getByUuid(userUuid string) (user User, err error) {
 }
 
 func (r *repo) update(user map[string]any) error {
-	return r.db.Where("uuid = ?", user["uuid"]).Updates(&user).Error
+	return r.db.Model(&User{}).Where("uuid = ?", user["uuid"]).Updates(&user).Error
 }
 
 func (r *repo) delete(userUuid string) error {
diff --git a/internal/interfaces/utils.go b/internal/interfaces/utils.go
index dd6b773..31cd891 100644
--- a/internal/interfaces/utils.go
+++ b/internal/interfaces/utils.go
@@ -1,6 +1,9 @@
 package interfaces
 
-import "github.com/gin-gonic/gin"
+import (
+	"github.com/gin-gonic/gin"
+	"time"
+)
 
 type Utils interface {
 	IsEmail(email string) bool
@@ -8,4 +11,5 @@ type Utils interface {
 	GetRefreshUuidFromContext(c *gin.Context) (string, error)
 	HashPassword(password string) (string, error)
 	ComparePasswords(hashedPassword string, plainPassword string) error
+	ParseTime(t string) (time.Time, error)
 }
diff --git a/pkg/utils/time.go b/pkg/utils/time.go
new file mode 100644
index 0000000..01bfaf6
--- /dev/null
+++ b/pkg/utils/time.go
@@ -0,0 +1,11 @@
+package utils
+
+import "time"
+
+func (u *Utils) ParseTime(t string) (time.Time, error) {
+	timeStr, err := time.Parse(time.RFC3339, t)
+	if err != nil {
+		return time.Time{}, err
+	}
+	return timeStr, nil
+}