diff --git a/openapi/api-docs.yaml b/openapi/api-docs.yaml
index 8da027a59a66..0b09d4ac70b6 100644
--- a/openapi/api-docs.yaml
+++ b/openapi/api-docs.yaml
@@ -9644,6 +9644,13 @@ paths:
         - $ref: "#/components/parameters/X-API-TOKEN"
         - $ref: "#/components/parameters/X-Requested-With"
         - $ref: "#/components/parameters/include"
+      requestBody:
+        description: Product object that needs to be added to the company
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/ProductRequest'
       responses:
         200:
           description: "Returns the saved product object"
@@ -16595,6 +16602,166 @@ components:
           type: string
           example: 'Bob Smith'
       type: object
+    ProductRequest:
+      type: object
+      properties:
+        id:
+          type: string
+          description: 'The hashed product ID.'
+          example: eP01N
+          readOnly: true
+        assigned_user_id:
+          type: string
+          description: 'The hashed ID of the user assigned to this product.'
+          example: pR0j3
+          required: false
+        project_id:
+          type: string
+          description: 'The hashed ID of the project that this product is associated with.'
+          example: pR0j3
+          required: false
+        vendor_id:
+          type: string
+          description: 'The hashed ID of the vendor that this product is associated with.'
+          example: pR0j3
+          required: false
+        custom_value1:
+          type: string
+          description: 'Custom value field 1.'
+          example: 'Custom value 1'
+          required: false
+        custom_value2:
+          type: string
+          description: 'Custom value field 2.'
+          example: 'Custom value 2'
+          required: false
+        custom_value3:
+          type: string
+          description: 'Custom value field 3.'
+          example: 'Custom value 3'
+          required: false
+        custom_value4:
+          type: string
+          description: 'Custom value field 4.'
+          example: 'Custom value 4'
+          required: false
+        product_key:
+          type: string
+          description: 'The product key.'
+          example: '1234'
+          required: false
+        notes:
+          type: string
+          description: 'Notes about the product.'
+          example: 'These are some notes about the product.'
+          required: false
+        cost:
+          type: number
+          format: double
+          description: 'The cost of the product.'
+          example: 10.0
+          required: false
+        price:
+          type: number
+          format: double
+          description: 'The price of the product.'
+          example: 20.0
+          required: false
+        quantity:
+          type: number
+          format: double
+          description: 'The quantity of the product.'
+          example: 5.0
+          required: false
+          default: 1
+        tax_name1:
+          type: string
+          description: 'The name of tax 1.'
+          example: 'Tax 1'
+          required: false
+        tax_rate1:
+          type: number
+          format: double
+          description: 'The rate of tax 1.'
+          example: 10.0
+          required: false
+        tax_name2:
+          type: string
+          description: 'The name of tax 2.'
+          example: 'Tax 2'
+          required: false
+        tax_rate2:
+          type: number
+          format: double
+          description: 'The rate of tax 2.'
+          example: 5.0
+          required: false
+        tax_name3:
+          type: string
+          description: 'The name of tax 3.'
+          example: 'Tax 3'
+          required: false
+        tax_rate3:
+          type: number
+          format: double
+          description: 'The rate of tax 3.'
+          example: 0.0
+          required: false
+        in_stock_quantity:
+          type: integer
+          format: int32
+          description: |
+                The quantity of the product that is currently in stock. 
+                
+                **note** this field is not mutable without passing an extra query parameter which will allow modification of this value.
+
+                The query parameter ?update_in_stock_quantity=true **MUST** be passed if you wish to update this value manually.
+
+          default: 0
+          required: false
+        stock_notification:
+          type: boolean
+          description: Indicates whether stock notifications are enabled for this product
+          default: true
+          required: false
+        stock_notification_threshold:
+          type: integer
+          format: int32
+          description: The minimum quantity threshold for which stock notifications will be triggered
+          default: 0
+          required: false
+        max_quantity:
+          type: integer
+          format: int32
+          description: The maximum quantity that can be ordered for this product
+          required: false
+        product_image:
+          type: string
+          description: The URL of the product image
+          format: uri-reference
+          required: false
+        tax_id:
+          type: string
+          default: '1'
+          required: false
+          description: |
+                The tax category id for this product.'
+
+                The following constants are available (default = '1')
+                
+                ```
+                PRODUCT_TYPE_PHYSICAL = '1'
+                PRODUCT_TYPE_SERVICE = '2'
+                PRODUCT_TYPE_DIGITAL = '3'
+                PRODUCT_TYPE_SHIPPING = '4'
+                PRODUCT_TYPE_EXEMPT = '5'
+                PRODUCT_TYPE_REDUCED_TAX = '6'
+                PRODUCT_TYPE_OVERRIDE_TAX = '7'
+                PRODUCT_TYPE_ZERO_RATED = '8'
+                PRODUCT_TYPE_REVERSE_TAX = '9'
+                ```
+          example: '1'
+
     Error:
       properties:
         message:
@@ -19112,14 +19279,17 @@ components:
           type: string
           description: 'The hashed product ID.'
           example: eP01N
+          readOnly: true
         company_id:
           type: string
           description: 'The hashed ID of the company that owns this product.'
           example: eP01N
+          readOnly: true
         user_id:
           type: string
           description: 'The hashed ID of the user that created this product.'
           example: n30m4
+          readOnly: true
         assigned_user_id:
           type: string
           description: 'The hashed ID of the user assigned to this product.'
@@ -19158,17 +19328,17 @@ components:
           example: 'These are some notes about the product.'
         cost:
           type: number
-          format: float
+          format: double
           description: 'The cost of the product.'
           example: 10.0
         price:
           type: number
-          format: float
+          format: double
           description: 'The price of the product.'
           example: 20.0
         quantity:
           type: number
-          format: float
+          format: double
           description: 'The quantity of the product.'
           example: 5.0
         tax_name1:
@@ -19177,7 +19347,7 @@ components:
           example: 'Tax 1'
         tax_rate1:
           type: number
-          format: float
+          format: double
           description: 'The rate of tax 1.'
           example: 10.0
         tax_name2:
@@ -19186,7 +19356,7 @@ components:
           example: 'Tax 2'
         tax_rate2:
           type: number
-          format: float
+          format: double
           description: 'The rate of tax 2.'
           example: 5.0
         tax_name3:
@@ -19195,7 +19365,7 @@ components:
           example: 'Tax 3'
         tax_rate3:
           type: number
-          format: float
+          format: double
           description: 'The rate of tax 3.'
           example: 0.0
         archived_at:
@@ -19203,46 +19373,66 @@ components:
           format: timestamp
           description: 'The timestamp when the product was archived.'
           example: '2022-03-18T15:00:00Z'
+          readOnly: true
         created_at:
           type: integer
           format: timestamp
           description: 'The timestamp when the product was created.'
           example: '2022-03-18T15:00:00Z'
+          readOnly: true
         updated_at:
           description: Timestamp
           type: integer
           format: timestamp
           example: '2022-03-18T12:34:56.789Z'
+          readOnly: true
         is_deleted:
           type: boolean
           description: 'Boolean flag determining if the product has been deleted'
           example: false
+          readOnly: true
         in_stock_quantity:
           type: integer
           format: int32
           description: The quantity of the product that is currently in stock
           default: 0
-
         stock_notification:
           type: boolean
           description: Indicates whether stock notifications are enabled for this product
           default: true
-
         stock_notification_threshold:
           type: integer
           format: int32
           description: The minimum quantity threshold for which stock notifications will be triggered
           default: 0
-
         max_quantity:
           type: integer
           format: int32
           description: The maximum quantity that can be ordered for this product
-
         product_image:
           type: string
           description: The URL of the product image
           format: uri-reference
+        tax_id:
+          type: string
+          default: '1'
+          description: |
+                The tax category id for this product.'
+
+                The following constants are available (default = '1')
+                
+                ```
+                PRODUCT_TYPE_PHYSICAL = '1'
+                PRODUCT_TYPE_SERVICE = '2'
+                PRODUCT_TYPE_DIGITAL = '3'
+                PRODUCT_TYPE_SHIPPING = '4'
+                PRODUCT_TYPE_EXEMPT = '5'
+                PRODUCT_TYPE_REDUCED_TAX = '6'
+                PRODUCT_TYPE_OVERRIDE_TAX = '7'
+                PRODUCT_TYPE_ZERO_RATED = '8'
+                PRODUCT_TYPE_REVERSE_TAX = '9'
+                ```
+          example: '1'
 
     Quote:
       properties:
diff --git a/openapi/components/schemas/product.yaml b/openapi/components/schemas/product.yaml
index 34fe77b8d77a..a88238e392a8 100644
--- a/openapi/components/schemas/product.yaml
+++ b/openapi/components/schemas/product.yaml
@@ -5,14 +5,17 @@
           type: string
           description: 'The hashed product ID.'
           example: eP01N
+          readOnly: true
         company_id:
           type: string
           description: 'The hashed ID of the company that owns this product.'
           example: eP01N
+          readOnly: true
         user_id:
           type: string
           description: 'The hashed ID of the user that created this product.'
           example: n30m4
+          readOnly: true
         assigned_user_id:
           type: string
           description: 'The hashed ID of the user assigned to this product.'
@@ -51,17 +54,17 @@
           example: 'These are some notes about the product.'
         cost:
           type: number
-          format: float
+          format: double
           description: 'The cost of the product.'
           example: 10.0
         price:
           type: number
-          format: float
+          format: double
           description: 'The price of the product.'
           example: 20.0
         quantity:
           type: number
-          format: float
+          format: double
           description: 'The quantity of the product.'
           example: 5.0
         tax_name1:
@@ -70,7 +73,7 @@
           example: 'Tax 1'
         tax_rate1:
           type: number
-          format: float
+          format: double
           description: 'The rate of tax 1.'
           example: 10.0
         tax_name2:
@@ -79,7 +82,7 @@
           example: 'Tax 2'
         tax_rate2:
           type: number
-          format: float
+          format: double
           description: 'The rate of tax 2.'
           example: 5.0
         tax_name3:
@@ -88,7 +91,7 @@
           example: 'Tax 3'
         tax_rate3:
           type: number
-          format: float
+          format: double
           description: 'The rate of tax 3.'
           example: 0.0
         archived_at:
@@ -96,43 +99,63 @@
           format: timestamp
           description: 'The timestamp when the product was archived.'
           example: '2022-03-18T15:00:00Z'
+          readOnly: true
         created_at:
           type: integer
           format: timestamp
           description: 'The timestamp when the product was created.'
           example: '2022-03-18T15:00:00Z'
+          readOnly: true
         updated_at:
           description: Timestamp
           type: integer
           format: timestamp
           example: '2022-03-18T12:34:56.789Z'
+          readOnly: true
         is_deleted:
           type: boolean
           description: 'Boolean flag determining if the product has been deleted'
           example: false
+          readOnly: true
         in_stock_quantity:
           type: integer
           format: int32
           description: The quantity of the product that is currently in stock
           default: 0
-
         stock_notification:
           type: boolean
           description: Indicates whether stock notifications are enabled for this product
           default: true
-
         stock_notification_threshold:
           type: integer
           format: int32
           description: The minimum quantity threshold for which stock notifications will be triggered
           default: 0
-
         max_quantity:
           type: integer
           format: int32
           description: The maximum quantity that can be ordered for this product
-
         product_image:
           type: string
           description: The URL of the product image
           format: uri-reference
+        tax_id:
+          type: string
+          default: '1'
+          description: |
+                The tax category id for this product.'
+
+                The following constants are available (default = '1')
+                
+                ```
+                PRODUCT_TYPE_PHYSICAL = '1'
+                PRODUCT_TYPE_SERVICE = '2'
+                PRODUCT_TYPE_DIGITAL = '3'
+                PRODUCT_TYPE_SHIPPING = '4'
+                PRODUCT_TYPE_EXEMPT = '5'
+                PRODUCT_TYPE_REDUCED_TAX = '6'
+                PRODUCT_TYPE_OVERRIDE_TAX = '7'
+                PRODUCT_TYPE_ZERO_RATED = '8'
+                PRODUCT_TYPE_REVERSE_TAX = '9'
+                ```
+          example: '1'
diff --git a/openapi/components/schemas/product_request.yaml b/openapi/components/schemas/product_request.yaml
new file mode 100644
index 000000000000..c9d890263f7c
--- /dev/null
+++ b/openapi/components/schemas/product_request.yaml
@@ -0,0 +1,159 @@
+    ProductRequest:
+      type: object
+      properties:
+        id:
+          type: string
+          description: 'The hashed product ID.'
+          example: eP01N
+          readOnly: true
+        assigned_user_id:
+          type: string
+          description: 'The hashed ID of the user assigned to this product.'
+          example: pR0j3
+          required: false
+        project_id:
+          type: string
+          description: 'The hashed ID of the project that this product is associated with.'
+          example: pR0j3
+          required: false
+        vendor_id:
+          type: string
+          description: 'The hashed ID of the vendor that this product is associated with.'
+          example: pR0j3
+          required: false
+        custom_value1:
+          type: string
+          description: 'Custom value field 1.'
+          example: 'Custom value 1'
+          required: false
+        custom_value2:
+          type: string
+          description: 'Custom value field 2.'
+          example: 'Custom value 2'
+          required: false
+        custom_value3:
+          type: string
+          description: 'Custom value field 3.'
+          example: 'Custom value 3'
+          required: false
+        custom_value4:
+          type: string
+          description: 'Custom value field 4.'
+          example: 'Custom value 4'
+          required: false
+        product_key:
+          type: string
+          description: 'The product key.'
+          example: '1234'
+          required: false
+        notes:
+          type: string
+          description: 'Notes about the product.'
+          example: 'These are some notes about the product.'
+          required: false
+        cost:
+          type: number
+          format: double
+          description: 'The cost of the product.'
+          example: 10.0
+          required: false
+        price:
+          type: number
+          format: double
+          description: 'The price of the product.'
+          example: 20.0
+          required: false
+        quantity:
+          type: number
+          format: double
+          description: 'The quantity of the product.'
+          example: 5.0
+          required: false
+          default: 1
+        tax_name1:
+          type: string
+          description: 'The name of tax 1.'
+          example: 'Tax 1'
+          required: false
+        tax_rate1:
+          type: number
+          format: double
+          description: 'The rate of tax 1.'
+          example: 10.0
+          required: false
+        tax_name2:
+          type: string
+          description: 'The name of tax 2.'
+          example: 'Tax 2'
+          required: false
+        tax_rate2:
+          type: number
+          format: double
+          description: 'The rate of tax 2.'
+          example: 5.0
+          required: false
+        tax_name3:
+          type: string
+          description: 'The name of tax 3.'
+          example: 'Tax 3'
+          required: false
+        tax_rate3:
+          type: number
+          format: double
+          description: 'The rate of tax 3.'
+          example: 0.0
+          required: false
+        in_stock_quantity:
+          type: integer
+          format: int32
+          description: |
+                The quantity of the product that is currently in stock. 
+                
+                **note** this field is not mutable without passing an extra query parameter which will allow modification of this value.
+
+                The query parameter ?update_in_stock_quantity=true **MUST** be passed if you wish to update this value manually.
+
+          default: 0
+          required: false
+        stock_notification:
+          type: boolean
+          description: Indicates whether stock notifications are enabled for this product
+          default: true
+          required: false
+        stock_notification_threshold:
+          type: integer
+          format: int32
+          description: The minimum quantity threshold for which stock notifications will be triggered
+          default: 0
+          required: false
+        max_quantity:
+          type: integer
+          format: int32
+          description: The maximum quantity that can be ordered for this product
+          required: false
+        product_image:
+          type: string
+          description: The URL of the product image
+          format: uri-reference
+          required: false
+        tax_id:
+          type: string
+          default: '1'
+          required: false
+          description: |
+                The tax category id for this product.'
+
+                The following constants are available (default = '1')
+                
+                ```
+                PRODUCT_TYPE_PHYSICAL = '1'
+                PRODUCT_TYPE_SERVICE = '2'
+                PRODUCT_TYPE_DIGITAL = '3'
+                PRODUCT_TYPE_SHIPPING = '4'
+                PRODUCT_TYPE_EXEMPT = '5'
+                PRODUCT_TYPE_REDUCED_TAX = '6'
+                PRODUCT_TYPE_OVERRIDE_TAX = '7'
+                PRODUCT_TYPE_ZERO_RATED = '8'
+                PRODUCT_TYPE_REVERSE_TAX = '9'
+                ```
+          example: '1'
diff --git a/openapi/paths/products.yaml b/openapi/paths/products.yaml
index e7773fc36a4b..ba377eb09635 100644
--- a/openapi/paths/products.yaml
+++ b/openapi/paths/products.yaml
@@ -76,6 +76,13 @@
         - $ref: "#/components/parameters/X-API-TOKEN"
         - $ref: "#/components/parameters/X-Requested-With"
         - $ref: "#/components/parameters/include"
+      requestBody:
+        description: Product object that needs to be added to the company
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/ProductRequest'
       responses:
         200:
           description: "Returns the saved product object"