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+openapi: 3.0.3
+info:
+  title: Pairent main backend
+  description: |-
+    This is basic Pairent API specs
+  termsOfService: http://pairent.io/tos
+  contact:
+    email: devs@pairent.io
+  license:
+    name: PSCL # Pairent Source Code License
+    url: https://pairent.io/license
+  version: INDEV
+servers:
+  - url: https://pairent.io/api/v3
+  - url: https://pairent-api-dev-unstable.blek.codes/api/v3
+tags:
+  - name: Offers
+    description: Offers interaction
+  - name: Users
+    description: User profile interaction
+  - name: Account
+    description: Personal account interaction
+  - name: Auth
+    description: Authentication API
+paths:
+  /offer/fetch_offer_data:
+    post:
+      tags:
+        - Offers
+      summary: Get offer data according to access permissions
+      description: Get offer data according to access permissions
+      operationId: fetchOffer
+      requestBody:
+        description: Update an existent pet in the store
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/FetchRequest'
+          application/xml:
+            schema:
+              $ref: '#/components/schemas/FetchRequest'
+          application/x-www-form-urlencoded:
+            schema:
+              $ref: '#/components/schemas/FetchRequest'
+        required: true
+      parameters:
+        - name: id
+          in: query
+          description: ID of offer to get data
+          required: true
+          schema:
+            type: integer
+            format: int64
+            default: 1
+      responses:
+        '200':
+          description: Successful operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Offer'
+            application/xml:
+              schema:
+                $ref: '#/components/schemas/Offer'
+        '400':
+          description: Invalid ID supplied
+        '404':
+          description: Pet not found
+        '405':
+          description: Validation exception
+      security:
+        - user_auth:
+            - read:offer
+components:
+  schemas:
+    FetchRequest:
+      type: object
+      properties:
+        api_auth_token:
+          type: string
+          format: string
+          example: Z29ubmEgZ28ga2lsbCBteXNlbGYgVXdV
+        csrf:
+          type: string
+          format: string
+          example: DVMXSNWQmijGiExuOFYQsViJOwpBDnPodLWqGGJCnjTQHGRpxolPDKdtwiGjXDrt
+        meta:
+          type: object
+          format: object
+          example:
+            sent_at: 1680925159
+    Offer:
+      type: object
+      properties:
+        id:
+          type: integer
+          format: int64
+          example: 42
+        title:
+          type: string
+          format: string
+          example: "Уютная гостинка близко к ВВГУ"
+        description:
+          type: object
+          format: object
+          example:
+            allow_pets: false
+            allow_kids: false
+            furniture:
+              - Кровать
+              - Учебный стол
+              - Кухонный гарнитур
+              - Холодильник
+              - Духовка с плитой
+              - Шкаф
+              - Стиральная машина
+            is_furnished: true
+            is_renovated: false
+        price:
+          type: object
+          format: object
+          example:
+            per_month: 20000
+            communal: 2000
+            agency_comission: 12000
+            deposit: 15000
+            currency: 'RUB'
+        has_water:
+          type: boolean
+          format: boolean
+          example: true
+        has_electricity:
+          type: boolean
+          format: boolean
+          example: true
+        has_internet:
+          type: boolean
+          format: boolean
+          example: true
+        ceil_height:
+          type: number
+          format: number
+          example: 2.5
+        beds_count:
+          type: integer
+          format: int32
+          example: 1
+        creator: # User who created the offer
+          type: integer
+          format: int32
+          example: 6
+        house:
+          type: integer
+          format: int32
+          example: 32
+        meta:
+          type: object
+          format: object
+          example: {}
+
+  requestBodies:
+    FetchRequest:
+      description: Request to fetch some data
+      content:
+        application/json:
+          schema:
+            $ref: '#/components/schemas/FetchRequest'
+        application/xml:
+          schema:
+            $ref: '#/components/schemas/FetchRequest'
+        application/x-urlencoded:
+          schema:
+            $ref: '#/components/schemas/FetchRequest'
+  securitySchemes:
+    user_auth:
+      type: oauth2
+      flows:
+        implicit:
+          authorizationUrl: https://lk.vvsu.ru/oauth/authorize
+          scopes:
+            read:offer: Read offer data
+    api_key:
+      type: apiKey
+      name: api_key
+      in: header