diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5da2871..bfb8daf0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,16 @@ The file format of it is based on [Keep a Changelog](http://keepachangelog.com/e
 For public Changelog covering all changes done to Pipedrive’s API, webhooks and app extensions platforms, see [public Changelog](https://pipedrive.readme.io/docs/changelog) with discussion area in [Developers Community](https://devcommunity.pipedrive.com/c/documentation/changelog/19).
 
 ## [Unreleased]
+### Fixed
+- Fixed `has_pic` field type in v1 deal creator schema (`DealNonStrictModeFields`, used by `GET`/`POST /v1/deals` and related endpoints) — changed from `boolean` to `integer` since the API returns `0`/`1`, not `true`/`false`
+- Fixed `code` field type in v2 product search results (`GET /api/v2/products/search`) — changed from `integer` to `string` and made nullable to match actual API responses
+- Fixed `value` field type in v2 deal search results (`DealSearchItem`, used by `GET /api/v2/deals/search`) — changed from `integer` to `number` and made nullable to match actual API responses
+- Marked `data` nullable in `ListProductFilesResponse` (`GET /v1/products/{id}/files`)
+- Marked `update_time` nullable in v2 deal, organization, person, and stage schemas (`DealItem`, `OrganizationItem`, `PersonItem`, `StageItem`)
+- Marked `next_cursor` nullable in v2 cursor pagination schema, used across all v2 cursor-paginated list endpoints
+- Marked several v2 activity fields nullable (`ActivityItem`): `deal_id`, `lead_id`, `person_id`, `org_id`, `project_id`, `due_time`, `duration`, `marked_as_done_time`, `location`, and all `location` address subfields (`country`, `admin_area_level_1`, `admin_area_level_2`, `locality`, `sublocality`, `route`, `street_number`, `subpremise`, `postal_code`)
+- Marked v2 `OrganizationItemAddress` and `PersonItemAddress` objects and all their subfields nullable, and marked `PersonItem.picture_id` nullable
+- Marked `person` nullable in v2 lead search results (`LeadSearchItem`) and `address` nullable in v2 organization search results (`OrganizationSearchItem`)
 
 ## [33.8.0] - 2026-10-09
 ### Fixed
diff --git a/src/versions/v1/models/deal-all-of-creator-user-id.ts b/src/versions/v1/models/deal-all-of-creator-user-id.ts
index dd8d7af7..adb18a6f 100644
--- a/src/versions/v1/models/deal-all-of-creator-user-id.ts
+++ b/src/versions/v1/models/deal-all-of-creator-user-id.ts
@@ -37,9 +37,9 @@ export interface DealAllOfCreatorUserId {
     'email'?: string;
     /**
     * If the creator has a picture or not
-    * @type {boolean}
+    * @type {number}
     */
-    'has_pic'?: boolean;
+    'has_pic'?: number;
     /**
     * The creator picture hash
     * @type {string}
diff --git a/src/versions/v1/models/get-associated-product-files-response-all-of.ts b/src/versions/v1/models/get-associated-product-files-response-all-of.ts
index 903d1c9f..4648f8b4 100644
--- a/src/versions/v1/models/get-associated-product-files-response-all-of.ts
+++ b/src/versions/v1/models/get-associated-product-files-response-all-of.ts
@@ -30,7 +30,7 @@ export interface GetAssociatedProductFilesResponseAllOf {
     * The array of files
     * @type {Array<GetAssociatedProductFilesResponseAllOfDataInner>}
     */
-    'data': Array<GetAssociatedProductFilesResponseAllOfDataInner>;
+    'data': Array<GetAssociatedProductFilesResponseAllOfDataInner> | null;
     /**
     * 
     * @type {GetFieldsResponseAllOfAdditionalData}
diff --git a/src/versions/v2/models/activity-item-location.ts b/src/versions/v2/models/activity-item-location.ts
new file mode 100644
index 00000000..d68e00bb
--- /dev/null
+++ b/src/versions/v2/models/activity-item-location.ts
@@ -0,0 +1,74 @@
+/* tslint:disable */
+/* eslint-disable */
+/**
+ * Pipedrive API v2
+ * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
+ *
+ * The version of the OpenAPI document: 2.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
+
+/**
+* Location of the activity
+* @export
+* @interface ActivityItemLocation
+*/
+export interface ActivityItemLocation {
+    /**
+    * The full address of the activity
+    * @type {string}
+    */
+    'value'?: string;
+    /**
+    * Country of the activity
+    * @type {string}
+    */
+    'country'?: string | null;
+    /**
+    * Admin area level 1 (e.g. state) of the activity
+    * @type {string}
+    */
+    'admin_area_level_1'?: string | null;
+    /**
+    * Admin area level 2 (e.g. county) of the activity
+    * @type {string}
+    */
+    'admin_area_level_2'?: string | null;
+    /**
+    * Locality (e.g. city) of the activity
+    * @type {string}
+    */
+    'locality'?: string | null;
+    /**
+    * Sublocality (e.g. neighborhood) of the activity
+    * @type {string}
+    */
+    'sublocality'?: string | null;
+    /**
+    * Route (e.g. street) of the activity
+    * @type {string}
+    */
+    'route'?: string | null;
+    /**
+    * Street number of the activity
+    * @type {string}
+    */
+    'street_number'?: string | null;
+    /**
+    * Subpremise (e.g. apartment/suite number) of the activity
+    * @type {string}
+    */
+    'subpremise'?: string | null;
+    /**
+    * Postal code of the activity
+    * @type {string}
+    */
+    'postal_code'?: string | null;
+}
+
diff --git a/src/versions/v2/models/activity-item.ts b/src/versions/v2/models/activity-item.ts
index 1cfea13b..edfae524 100644
--- a/src/versions/v2/models/activity-item.ts
+++ b/src/versions/v2/models/activity-item.ts
@@ -15,10 +15,10 @@
 
 // May contain unused imports in some cases
 // @ts-ignore
-import { AddActivityRequestAttendeesInner } from './add-activity-request-attendees-inner';
+import { ActivityItemLocation } from './activity-item-location';
 // May contain unused imports in some cases
 // @ts-ignore
-import { AddActivityRequestLocation } from './add-activity-request-location';
+import { AddActivityRequestAttendeesInner } from './add-activity-request-attendees-inner';
 // May contain unused imports in some cases
 // @ts-ignore
 import { AddActivityRequestParticipantsInner } from './add-activity-request-participants-inner';
@@ -73,27 +73,27 @@ export interface ActivityItem {
     * The ID of the deal linked to the activity
     * @type {number}
     */
-    'deal_id'?: number;
+    'deal_id'?: number | null;
     /**
     * The ID of the lead linked to the activity
     * @type {string}
     */
-    'lead_id'?: string;
+    'lead_id'?: string | null;
     /**
     * The ID of the person linked to the activity
     * @type {number}
     */
-    'person_id'?: number;
+    'person_id'?: number | null;
     /**
     * The ID of the organization linked to the activity
     * @type {number}
     */
-    'org_id'?: number;
+    'org_id'?: number | null;
     /**
     * The ID of the project linked to the activity
     * @type {number}
     */
-    'project_id'?: number;
+    'project_id'?: number | null;
     /**
     * The due date of the activity
     * @type {string}
@@ -103,12 +103,12 @@ export interface ActivityItem {
     * The due time of the activity
     * @type {string}
     */
-    'due_time'?: string;
+    'due_time'?: string | null;
     /**
     * The duration of the activity
     * @type {string}
     */
-    'duration'?: string;
+    'duration'?: string | null;
     /**
     * Whether the activity marks the assignee as busy or not in their calendar
     * @type {boolean}
@@ -123,12 +123,12 @@ export interface ActivityItem {
     * The date and time when the activity was marked as done
     * @type {string}
     */
-    'marked_as_done_time'?: string;
+    'marked_as_done_time'?: string | null;
     /**
     * 
-    * @type {AddActivityRequestLocation}
+    * @type {ActivityItemLocation}
     */
-    'location'?: AddActivityRequestLocation;
+    'location'?: ActivityItemLocation | null;
     /**
     * The participants of the activity
     * @type {Array<AddActivityRequestParticipantsInner>}
diff --git a/src/versions/v2/models/add-organization-request.ts b/src/versions/v2/models/add-organization-request.ts
index 645b1a82..c1aeda37 100644
--- a/src/versions/v2/models/add-organization-request.ts
+++ b/src/versions/v2/models/add-organization-request.ts
@@ -52,7 +52,7 @@ export interface AddOrganizationRequest {
     * 
     * @type {OrganizationItemAddress}
     */
-    'address'?: OrganizationItemAddress;
+    'address'?: OrganizationItemAddress | null;
     /**
     * The website of the organization
     * @type {string}
diff --git a/src/versions/v2/models/add-person-request.ts b/src/versions/v2/models/add-person-request.ts
index df8f7cd5..c73a12c3 100644
--- a/src/versions/v2/models/add-person-request.ts
+++ b/src/versions/v2/models/add-person-request.ts
@@ -76,7 +76,7 @@ export interface AddPersonRequest {
     * 
     * @type {PersonItemAddress}
     */
-    'postal_address'?: PersonItemAddress;
+    'postal_address'?: PersonItemAddress | null;
     /**
     * Contact sync notes of the person, maximum 10 000 characters. Only accepted when contact sync is enabled for the company; otherwise the request returns 403.
     * @type {string}
diff --git a/src/versions/v2/models/deal.ts b/src/versions/v2/models/deal.ts
index 7c29168e..6db41fdf 100644
--- a/src/versions/v2/models/deal.ts
+++ b/src/versions/v2/models/deal.ts
@@ -74,7 +74,7 @@ export interface Deal {
     * The last updated date and time of the deal
     * @type {string}
     */
-    'update_time'?: string;
+    'update_time'?: string | null;
     /**
     * The last updated date and time of the deal stage
     * @type {string}
diff --git a/src/versions/v2/models/get-activities-response-all-of-additional-data.ts b/src/versions/v2/models/get-activities-response-all-of-additional-data.ts
index 288283ec..0351b8bf 100644
--- a/src/versions/v2/models/get-activities-response-all-of-additional-data.ts
+++ b/src/versions/v2/models/get-activities-response-all-of-additional-data.ts
@@ -24,6 +24,6 @@ export interface GetActivitiesResponseAllOfAdditionalData {
     * The first item on the next page. The value of the `next_cursor` field will be `null` if you have reached the end of the dataset and there’s no more pages to be returned.
     * @type {string}
     */
-    'next_cursor'?: string;
+    'next_cursor'?: string | null;
 }
 
diff --git a/src/versions/v2/models/get-deal-search-response-all-of-data-items-inner-item.ts b/src/versions/v2/models/get-deal-search-response-all-of-data-items-inner-item.ts
index 7141cbfa..bfba5997 100644
--- a/src/versions/v2/models/get-deal-search-response-all-of-data-items-inner-item.ts
+++ b/src/versions/v2/models/get-deal-search-response-all-of-data-items-inner-item.ts
@@ -51,7 +51,7 @@ export interface GetDealSearchResponseAllOfDataItemsInnerItem {
     * The value of the deal
     * @type {number}
     */
-    'value'?: number;
+    'value'?: number | null;
     /**
     * The currency of the deal
     * @type {string}
diff --git a/src/versions/v2/models/get-deals-products-response-additional-data.ts b/src/versions/v2/models/get-deals-products-response-additional-data.ts
index 19baca9b..9bd23bd7 100644
--- a/src/versions/v2/models/get-deals-products-response-additional-data.ts
+++ b/src/versions/v2/models/get-deals-products-response-additional-data.ts
@@ -24,6 +24,6 @@ export interface GetDealsProductsResponseAdditionalData {
     * The first item on the next page. The value of the `next_cursor` field will be `null` if you have reached the end of the dataset and there’s no more pages to be returned.
     * @type {string}
     */
-    'next_cursor'?: string;
+    'next_cursor'?: string | null;
 }
 
diff --git a/src/versions/v2/models/get-organization-search-response-all-of-data-items-inner-item.ts b/src/versions/v2/models/get-organization-search-response-all-of-data-items-inner-item.ts
index 34379150..f5545cc7 100644
--- a/src/versions/v2/models/get-organization-search-response-all-of-data-items-inner-item.ts
+++ b/src/versions/v2/models/get-organization-search-response-all-of-data-items-inner-item.ts
@@ -42,7 +42,7 @@ export interface GetOrganizationSearchResponseAllOfDataItemsInnerItem {
     * The address of the organization
     * @type {string}
     */
-    'address'?: string;
+    'address'?: string | null;
     /**
     * The visibility of the organization
     * @type {number}
diff --git a/src/versions/v2/models/get-product-search-response-all-of-data-items-inner-item.ts b/src/versions/v2/models/get-product-search-response-all-of-data-items-inner-item.ts
index ec96c6e4..09efb3e5 100644
--- a/src/versions/v2/models/get-product-search-response-all-of-data-items-inner-item.ts
+++ b/src/versions/v2/models/get-product-search-response-all-of-data-items-inner-item.ts
@@ -40,9 +40,9 @@ export interface GetProductSearchResponseAllOfDataItemsInnerItem {
     'name'?: string;
     /**
     * The code of the product
-    * @type {number}
+    * @type {string}
     */
-    'code'?: number;
+    'code'?: string | null;
     /**
     * The visibility of the product
     * @type {number}
diff --git a/src/versions/v2/models/index.ts b/src/versions/v2/models/index.ts
index ed20a801..8fbdfbd7 100644
--- a/src/versions/v2/models/index.ts
+++ b/src/versions/v2/models/index.ts
@@ -1,4 +1,5 @@
 export * from './activity-item';
+export * from './activity-item-location';
 export * from './add-ainstallment-response';
 export * from './add-activity-request';
 export * from './add-activity-request-attendees-inner';
diff --git a/src/versions/v2/models/lead-search-item-item.ts b/src/versions/v2/models/lead-search-item-item.ts
index 257dacc0..519215e7 100644
--- a/src/versions/v2/models/lead-search-item-item.ts
+++ b/src/versions/v2/models/lead-search-item-item.ts
@@ -53,7 +53,7 @@ export interface LeadSearchItemItem {
     * 
     * @type {LeadSearchItemItemPerson}
     */
-    'person'?: LeadSearchItemItemPerson;
+    'person'?: LeadSearchItemItemPerson | null;
     /**
     * 
     * @type {LeadSearchItemItemOrganization}
diff --git a/src/versions/v2/models/organization-item-address.ts b/src/versions/v2/models/organization-item-address.ts
index efbc42b1..babed9dc 100644
--- a/src/versions/v2/models/organization-item-address.ts
+++ b/src/versions/v2/models/organization-item-address.ts
@@ -29,46 +29,46 @@ export interface OrganizationItemAddress {
     * Country of the organization
     * @type {string}
     */
-    'country'?: string;
+    'country'?: string | null;
     /**
     * Admin area level 1 (e.g. state) of the organization
     * @type {string}
     */
-    'admin_area_level_1'?: string;
+    'admin_area_level_1'?: string | null;
     /**
     * Admin area level 2 (e.g. county) of the organization
     * @type {string}
     */
-    'admin_area_level_2'?: string;
+    'admin_area_level_2'?: string | null;
     /**
     * Locality (e.g. city) of the organization
     * @type {string}
     */
-    'locality'?: string;
+    'locality'?: string | null;
     /**
     * Sublocality (e.g. neighborhood) of the organization
     * @type {string}
     */
-    'sublocality'?: string;
+    'sublocality'?: string | null;
     /**
     * Route (e.g. street) of the organization
     * @type {string}
     */
-    'route'?: string;
+    'route'?: string | null;
     /**
     * Street number of the organization
     * @type {string}
     */
-    'street_number'?: string;
+    'street_number'?: string | null;
     /**
     * Subpremise (e.g. apartment/suite number) of the organization
     * @type {string}
     */
-    'subpremise'?: string;
+    'subpremise'?: string | null;
     /**
     * Postal code of the organization
     * @type {string}
     */
-    'postal_code'?: string;
+    'postal_code'?: string | null;
 }
 
diff --git a/src/versions/v2/models/organization-item.ts b/src/versions/v2/models/organization-item.ts
index 64059c77..12fb858c 100644
--- a/src/versions/v2/models/organization-item.ts
+++ b/src/versions/v2/models/organization-item.ts
@@ -47,7 +47,7 @@ export interface OrganizationItem {
     * The last updated date and time of the organization
     * @type {string}
     */
-    'update_time'?: string;
+    'update_time'?: string | null;
     /**
     * Whether the organization is deleted or not
     * @type {boolean}
@@ -62,7 +62,7 @@ export interface OrganizationItem {
     * 
     * @type {OrganizationItemAddress}
     */
-    'address'?: OrganizationItemAddress;
+    'address'?: OrganizationItemAddress | null;
     /**
     * The IDs of labels assigned to the organization
     * @type {Array<number>}
diff --git a/src/versions/v2/models/person-item-address.ts b/src/versions/v2/models/person-item-address.ts
index 7417be7b..bff40de1 100644
--- a/src/versions/v2/models/person-item-address.ts
+++ b/src/versions/v2/models/person-item-address.ts
@@ -29,46 +29,46 @@ export interface PersonItemAddress {
     * Country of the person
     * @type {string}
     */
-    'country'?: string;
+    'country'?: string | null;
     /**
     * Admin area level 1 (e.g. state) of the person
     * @type {string}
     */
-    'admin_area_level_1'?: string;
+    'admin_area_level_1'?: string | null;
     /**
     * Admin area level 2 (e.g. county) of the person
     * @type {string}
     */
-    'admin_area_level_2'?: string;
+    'admin_area_level_2'?: string | null;
     /**
     * Locality (e.g. city) of the person
     * @type {string}
     */
-    'locality'?: string;
+    'locality'?: string | null;
     /**
     * Sublocality (e.g. neighborhood) of the person
     * @type {string}
     */
-    'sublocality'?: string;
+    'sublocality'?: string | null;
     /**
     * Route (e.g. street) of the person
     * @type {string}
     */
-    'route'?: string;
+    'route'?: string | null;
     /**
     * Street number of the person
     * @type {string}
     */
-    'street_number'?: string;
+    'street_number'?: string | null;
     /**
     * Subpremise (e.g. apartment/suite number) of the person
     * @type {string}
     */
-    'subpremise'?: string;
+    'subpremise'?: string | null;
     /**
     * Postal code of the person
     * @type {string}
     */
-    'postal_code'?: string;
+    'postal_code'?: string | null;
 }
 
diff --git a/src/versions/v2/models/person.ts b/src/versions/v2/models/person.ts
index 0fe033f2..aa9e0283 100644
--- a/src/versions/v2/models/person.ts
+++ b/src/versions/v2/models/person.ts
@@ -71,7 +71,7 @@ export interface Person {
     * The last updated date and time of the person
     * @type {string}
     */
-    'update_time'?: string;
+    'update_time'?: string | null;
     /**
     * The emails of the person
     * @type {Array<PersonItemEmail>}
@@ -101,12 +101,12 @@ export interface Person {
     * The ID of the picture associated with the person
     * @type {number}
     */
-    'picture_id'?: number;
+    'picture_id'?: number | null;
     /**
     * 
     * @type {PersonItemAddress}
     */
-    'postal_address'?: PersonItemAddress;
+    'postal_address'?: PersonItemAddress | null;
     /**
     * Contact sync notes of the person, maximum 10 000 characters, included if contact sync is enabled for the company
     * @type {string}
diff --git a/src/versions/v2/models/stage-item.ts b/src/versions/v2/models/stage-item.ts
index c58eef1c..2b37d5c7 100644
--- a/src/versions/v2/models/stage-item.ts
+++ b/src/versions/v2/models/stage-item.ts
@@ -69,6 +69,6 @@ export interface StageItem {
     * The stage update time
     * @type {string}
     */
-    'update_time'?: string;
+    'update_time'?: string | null;
 }
 
diff --git a/src/versions/v2/models/stage-item1.ts b/src/versions/v2/models/stage-item1.ts
index 2e5f7d1b..ffe8faca 100644
--- a/src/versions/v2/models/stage-item1.ts
+++ b/src/versions/v2/models/stage-item1.ts
@@ -69,6 +69,6 @@ export interface StageItem1 {
     * The stage update time
     * @type {string}
     */
-    'update_time'?: string;
+    'update_time'?: string | null;
 }
 
diff --git a/src/versions/v2/models/update-organization-request.ts b/src/versions/v2/models/update-organization-request.ts
index 6ed190b0..cbe0df42 100644
--- a/src/versions/v2/models/update-organization-request.ts
+++ b/src/versions/v2/models/update-organization-request.ts
@@ -47,7 +47,7 @@ export interface UpdateOrganizationRequest {
     * 
     * @type {OrganizationItemAddress}
     */
-    'address'?: OrganizationItemAddress;
+    'address'?: OrganizationItemAddress | null;
     /**
     * The website of the organization
     * @type {string}
diff --git a/src/versions/v2/models/update-person-request.ts b/src/versions/v2/models/update-person-request.ts
index 24dc17fa..001dc207 100644
--- a/src/versions/v2/models/update-person-request.ts
+++ b/src/versions/v2/models/update-person-request.ts
@@ -71,7 +71,7 @@ export interface UpdatePersonRequest {
     * 
     * @type {PersonItemAddress}
     */
-    'postal_address'?: PersonItemAddress;
+    'postal_address'?: PersonItemAddress | null;
     /**
     * Contact sync notes of the person, maximum 10 000 characters. Only accepted when contact sync is enabled for the company; otherwise the request returns 403.
     * @type {string}