diff --git a/src/openapi.yaml b/src/openapi.yaml
index 6f6bc60..a7b2d4f 100644
--- a/src/openapi.yaml
+++ b/src/openapi.yaml
@@ -461,6 +461,145 @@ paths:
       responses:
         '204':
           description: No response body
+  /api/v1/products/:
+    get:
+      operationId: products_list
+      tags:
+        - products
+      security:
+        - cookieAuth: [ ]
+        - basicAuth: [ ]
+        - { }
+      responses:
+        '200':
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/Product'
+          description: ''
+    post:
+      operationId: products_create
+      tags:
+        - products
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/Product'
+        required: true
+      security:
+        - cookieAuth: [ ]
+        - basicAuth: [ ]
+        - { }
+      responses:
+        '201':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Product'
+          description: ''
+  /api/v1/products/{id}/:
+    get:
+      operationId: products_retrieve
+      parameters:
+        - in: path
+          name: id
+          schema:
+            type: string
+            format: uuid
+          description: A UUID string identifying this Product.
+          required: true
+      tags:
+        - products
+      security:
+        - cookieAuth: [ ]
+        - basicAuth: [ ]
+        - { }
+      responses:
+        '200':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Product'
+          description: ''
+    put:
+      operationId: products_update
+      parameters:
+        - in: path
+          name: id
+          schema:
+            type: string
+            format: uuid
+          description: A UUID string identifying this Product.
+          required: true
+      tags:
+        - products
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/ProductUpdate'
+        required: true
+      security:
+        - cookieAuth: [ ]
+        - basicAuth: [ ]
+        - { }
+      responses:
+        '200':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ProductUpdate'
+          description: ''
+    patch:
+      operationId: products_partial_update
+      parameters:
+        - in: path
+          name: id
+          schema:
+            type: string
+            format: uuid
+          description: A UUID string identifying this Product.
+          required: true
+      tags:
+        - products
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/PatchedProductUpdate'
+      security:
+        - cookieAuth: [ ]
+        - basicAuth: [ ]
+        - { }
+      responses:
+        '200':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ProductUpdate'
+          description: ''
+    delete:
+      operationId: products_destroy
+      parameters:
+        - in: path
+          name: id
+          schema:
+            type: string
+            format: uuid
+          description: A UUID string identifying this Product.
+          required: true
+      tags:
+        - products
+      security:
+        - cookieAuth: [ ]
+        - basicAuth: [ ]
+        - { }
+      responses:
+        '204':
+          description: No response body
   /api/v1/producttypes/:
     get:
       operationId: producttypes_list
@@ -1616,7 +1755,6 @@ components:
         parent_category:
           type: string
           format: uuid
-          writeOnly: true
           nullable: true
         product_types:
           type: array
@@ -1699,6 +1837,41 @@ components:
         - negative_text
         - positive_text
         - question
+    Data:
+      type: object
+      properties:
+        id:
+          type: string
+          format: uuid
+          readOnly: true
+        field:
+          allOf:
+            - $ref: '#/components/schemas/Field'
+          readOnly: true
+        field_id:
+          type: string
+          format: uuid
+          writeOnly: true
+        value:
+          type: string
+          description: The value of the field
+      required:
+        - field
+        - field_id
+        - id
+        - value
+    DataUpdate:
+      type: object
+      properties:
+        id:
+          type: string
+          format: uuid
+        value:
+          type: string
+          description: The value of the field
+      required:
+        - id
+        - value
     Field:
       type: object
       properties:
@@ -1727,7 +1900,6 @@ components:
             * `date` - Date
             * `datetime` - Datetime
             * `email` - Email
-            * `file` - File
             * `iban` - Iban
             * `licenseplate` - License Plate
             * `map` - Map
@@ -1784,7 +1956,6 @@ components:
         parent_category:
           type: string
           format: uuid
-          writeOnly: true
           nullable: true
         product_types:
           type: array
@@ -1881,7 +2052,6 @@ components:
             * `date` - Date
             * `datetime` - Datetime
             * `email` - Email
-            * `file` - File
             * `iban` - Iban
             * `licenseplate` - License Plate
             * `map` - Map
@@ -1993,7 +2163,6 @@ components:
             type: string
             format: uuid
           writeOnly: true
-          default: [ ]
         questions:
           type: array
           items:
@@ -2059,6 +2228,51 @@ components:
             type: string
             maxLength: 100
           description: List of keywords for search
+    PatchedProductUpdate:
+      type: object
+      properties:
+        id:
+          type: string
+          format: uuid
+          readOnly: true
+        data:
+          type: array
+          items:
+            $ref: '#/components/schemas/DataUpdate'
+        published:
+          type: boolean
+          description: Whether the object is accessible through the API.
+        created_on:
+          type: string
+          format: date-time
+          readOnly: true
+          description: The datetime at which the object was created.
+        updated_on:
+          type: string
+          format: date-time
+          readOnly: true
+          description: The datetime at which the object was last changed.
+        start_date:
+          type: string
+          format: date
+          description: The start date for this product
+        end_date:
+          type: string
+          format: date
+          description: The end date for this product
+        bsn:
+          type: string
+          nullable: true
+          description: The BSN of the product owner. BSN of 8 characters needs a leading
+            0.
+        kvk:
+          type: string
+          nullable: true
+          title: KVK number
+          description: The KVK number of the product owner
+          pattern: ^[0-9]*$
+          maxLength: 8
+          minLength: 8
     PatchedQuestion:
       type: object
       properties:
@@ -2145,6 +2359,68 @@ components:
       required:
         - amount
         - description
+    Product:
+      type: object
+      properties:
+        id:
+          type: string
+          format: uuid
+          readOnly: true
+        product_type:
+          allOf:
+            - $ref: '#/components/schemas/SimpleProductType'
+          readOnly: true
+        product_type_id:
+          type: string
+          format: uuid
+          writeOnly: true
+        data:
+          type: array
+          items:
+            $ref: '#/components/schemas/Data'
+        published:
+          type: boolean
+          description: Whether the object is accessible through the API.
+        created_on:
+          type: string
+          format: date-time
+          readOnly: true
+          description: The datetime at which the object was created.
+        updated_on:
+          type: string
+          format: date-time
+          readOnly: true
+          description: The datetime at which the object was last changed.
+        start_date:
+          type: string
+          format: date
+          description: The start date for this product
+        end_date:
+          type: string
+          format: date
+          description: The end date for this product
+        bsn:
+          type: string
+          nullable: true
+          description: The BSN of the product owner. BSN of 8 characters needs a leading
+            0.
+        kvk:
+          type: string
+          nullable: true
+          title: KVK number
+          description: The KVK number of the product owner
+          pattern: ^[0-9]*$
+          maxLength: 8
+          minLength: 8
+      required:
+        - created_on
+        - data
+        - end_date
+        - id
+        - product_type
+        - product_type_id
+        - start_date
+        - updated_on
     ProductType:
       type: object
       properties:
@@ -2201,7 +2477,6 @@ components:
             type: string
             format: uuid
           writeOnly: true
-          default: [ ]
         questions:
           type: array
           items:
@@ -2269,6 +2544,7 @@ components:
           description: List of keywords for search
       required:
         - categories
+        - category_ids
         - conditions
         - content
         - created_on
@@ -2282,6 +2558,58 @@ components:
         - uniform_product_name
         - uniform_product_name_id
         - updated_on
+    ProductUpdate:
+      type: object
+      properties:
+        id:
+          type: string
+          format: uuid
+          readOnly: true
+        data:
+          type: array
+          items:
+            $ref: '#/components/schemas/DataUpdate'
+        published:
+          type: boolean
+          description: Whether the object is accessible through the API.
+        created_on:
+          type: string
+          format: date-time
+          readOnly: true
+          description: The datetime at which the object was created.
+        updated_on:
+          type: string
+          format: date-time
+          readOnly: true
+          description: The datetime at which the object was last changed.
+        start_date:
+          type: string
+          format: date
+          description: The start date for this product
+        end_date:
+          type: string
+          format: date
+          description: The end date for this product
+        bsn:
+          type: string
+          nullable: true
+          description: The BSN of the product owner. BSN of 8 characters needs a leading
+            0.
+        kvk:
+          type: string
+          nullable: true
+          title: KVK number
+          description: The KVK number of the product owner
+          pattern: ^[0-9]*$
+          maxLength: 8
+          minLength: 8
+      required:
+        - created_on
+        - data
+        - end_date
+        - id
+        - start_date
+        - updated_on
     Question:
       type: object
       properties:
@@ -2301,6 +2629,10 @@ components:
     SimpleCategory:
       type: object
       properties:
+        id:
+          type: string
+          format: uuid
+          readOnly: true
         published:
           type: boolean
           description: Whether the object is accessible through the API.
@@ -2333,6 +2665,7 @@ components:
           description: Image of the category
       required:
         - created_on
+        - id
         - name
         - updated_on
     SimpleProductType:
@@ -2448,7 +2781,6 @@ components:
         - date
         - datetime
         - email
-        - file
         - iban
         - licenseplate
         - map
@@ -2471,7 +2803,6 @@ components:
         * `date` - Date
         * `datetime` - Datetime
         * `email` - Email
-        * `file` - File
         * `iban` - Iban
         * `licenseplate` - License Plate
         * `map` - Map