diff --git a/ui-ngx/src/app/core/http/asset.service.ts b/ui-ngx/src/app/core/http/asset.service.ts
index a24be23593..0efeec3eef 100644
--- a/ui-ngx/src/app/core/http/asset.service.ts
+++ b/ui-ngx/src/app/core/http/asset.service.ts
@@ -15,7 +15,7 @@
 ///
 
 import { Injectable } from '@angular/core';
-import { defaultHttpOptionsFromConfig, RequestConfig } from './http-utils';
+import { createDefaultHttpOptions, defaultHttpOptionsFromConfig, RequestConfig } from './http-utils';
 import { Observable } from 'rxjs';
 import { HttpClient } from '@angular/common/http';
 import { PageLink } from '@shared/models/page/page-link';
@@ -23,6 +23,7 @@ import { PageData } from '@shared/models/page/page-data';
 import { EntitySubtype } from '@shared/models/entity-type.models';
 import { Asset, AssetInfo, AssetSearchQuery } from '@shared/models/asset.models';
 import { BulkImportRequest, BulkImportResult } from '@shared/import-export/import-export.models';
+import { SaveEntityParams } from '@shared/models/entity.models';
 
 @Injectable({
   providedIn: 'root'
@@ -69,8 +70,10 @@ export class AssetService {
     return this.http.get<AssetInfo>(`/api/asset/info/${assetId}`, defaultHttpOptionsFromConfig(config));
   }
 
-  public saveAsset(asset: Asset, config?: RequestConfig): Observable<Asset> {
-    return this.http.post<Asset>('/api/asset', asset, defaultHttpOptionsFromConfig(config));
+  public saveAsset(asset: Asset, config?: RequestConfig): Observable<Asset>;
+  public saveAsset(asset: Asset, saveParams: SaveEntityParams, config?: RequestConfig): Observable<Asset>;
+  public saveAsset(asset: Asset, saveParamsOrConfig?: SaveEntityParams | RequestConfig, config?: RequestConfig): Observable<Asset> {
+    return this.http.post<Asset>('/api/asset', asset, createDefaultHttpOptions(saveParamsOrConfig, config));
   }
 
   public deleteAsset(assetId: string, config?: RequestConfig) {
diff --git a/ui-ngx/src/app/core/http/customer.service.ts b/ui-ngx/src/app/core/http/customer.service.ts
index faf78f6f75..ec8955ca4b 100644
--- a/ui-ngx/src/app/core/http/customer.service.ts
+++ b/ui-ngx/src/app/core/http/customer.service.ts
@@ -15,12 +15,13 @@
 ///
 
 import { Injectable } from '@angular/core';
-import { defaultHttpOptionsFromConfig, RequestConfig } from './http-utils';
+import { createDefaultHttpOptions, defaultHttpOptionsFromConfig, RequestConfig } from './http-utils';
 import { Observable } from 'rxjs';
 import { HttpClient } from '@angular/common/http';
 import { PageLink } from '@shared/models/page/page-link';
 import { PageData } from '@shared/models/page/page-data';
 import { Customer } from '@shared/models/customer.model';
+import { SaveEntityParams } from '@shared/models/entity.models';
 
 @Injectable({
   providedIn: 'root'
@@ -40,8 +41,10 @@ export class CustomerService {
     return this.http.get<Customer>(`/api/customer/${customerId}`, defaultHttpOptionsFromConfig(config));
   }
 
-  public saveCustomer(customer: Customer, config?: RequestConfig): Observable<Customer> {
-    return this.http.post<Customer>('/api/customer', customer, defaultHttpOptionsFromConfig(config));
+  public saveCustomer(customer: Customer, config?: RequestConfig): Observable<Customer>;
+  public saveCustomer(customer: Customer, saveParams: SaveEntityParams, config?: RequestConfig): Observable<Customer>;
+  public saveCustomer(customer: Customer, saveParamsOrConfig?: SaveEntityParams | RequestConfig, config?: RequestConfig): Observable<Customer> {
+    return this.http.post<Customer>('/api/customer', customer, createDefaultHttpOptions(saveParamsOrConfig, config));
   }
 
   public deleteCustomer(customerId: string, config?: RequestConfig) {
diff --git a/ui-ngx/src/app/core/http/device.service.ts b/ui-ngx/src/app/core/http/device.service.ts
index 1e3a304774..69ed2f8a66 100644
--- a/ui-ngx/src/app/core/http/device.service.ts
+++ b/ui-ngx/src/app/core/http/device.service.ts
@@ -15,7 +15,7 @@
 ///
 
 import { Injectable } from '@angular/core';
-import { defaultHttpOptionsFromConfig, RequestConfig } from './http-utils';
+import { createDefaultHttpOptions, defaultHttpOptionsFromConfig, RequestConfig } from './http-utils';
 import { Observable, ReplaySubject } from 'rxjs';
 import { HttpClient } from '@angular/common/http';
 import { PageLink } from '@shared/models/page/page-link';
@@ -28,13 +28,15 @@ import {
   DeviceInfo,
   DeviceInfoQuery,
   DeviceSearchQuery,
-  PublishTelemetryCommand
+  PublishTelemetryCommand,
+  SaveDeviceParams
 } from '@shared/models/device.models';
 import { EntitySubtype } from '@shared/models/entity-type.models';
 import { AuthService } from '@core/auth/auth.service';
 import { BulkImportRequest, BulkImportResult } from '@shared/import-export/import-export.models';
 import { PersistentRpc, RpcStatus } from '@shared/models/rpc.models';
 import { ResourcesService } from '@core/services/resources.service';
+import { SaveEntityParams } from '@shared/models/entity.models';
 
 @Injectable({
   providedIn: 'root'
@@ -87,15 +89,19 @@ export class DeviceService {
     return this.http.get<DeviceInfo>(`/api/device/info/${deviceId}`, defaultHttpOptionsFromConfig(config));
   }
 
-  public saveDevice(device: Device, config?: RequestConfig): Observable<Device> {
-    return this.http.post<Device>('/api/device', device, defaultHttpOptionsFromConfig(config));
+  public saveDevice(device: Device, config?: RequestConfig): Observable<Device>;
+  public saveDevice(device: Device, saveParams?: SaveDeviceParams, config?: RequestConfig): Observable<Device>;
+  public saveDevice(device: Device, saveParamsOrConfig?: SaveDeviceParams | RequestConfig, config?: RequestConfig): Observable<Device> {
+    return this.http.post<Device>('/api/device', device, createDefaultHttpOptions(saveParamsOrConfig, config));
   }
 
-  public saveDeviceWithCredentials(device: Device, credentials: DeviceCredentials, config?: RequestConfig): Observable<Device> {
+  public saveDeviceWithCredentials(device: Device, credentials: DeviceCredentials, config?: RequestConfig): Observable<Device>;
+  public saveDeviceWithCredentials(device: Device, credentials: DeviceCredentials, saveParams: SaveEntityParams, config?: RequestConfig): Observable<Device>;
+  public saveDeviceWithCredentials(device: Device, credentials: DeviceCredentials, saveParamsOrConfig?: SaveEntityParams | RequestConfig, config?: RequestConfig): Observable<Device> {
     return this.http.post<Device>('/api/device-with-credentials', {
       device,
       credentials
-    }, defaultHttpOptionsFromConfig(config));
+    }, createDefaultHttpOptions(saveParamsOrConfig, config));
   }
 
   public deleteDevice(deviceId: string, config?: RequestConfig) {
diff --git a/ui-ngx/src/app/core/http/entity-view.service.ts b/ui-ngx/src/app/core/http/entity-view.service.ts
index ffd17d9a49..7285c5420f 100644
--- a/ui-ngx/src/app/core/http/entity-view.service.ts
+++ b/ui-ngx/src/app/core/http/entity-view.service.ts
@@ -15,13 +15,14 @@
 ///
 
 import { Injectable } from '@angular/core';
-import { defaultHttpOptionsFromConfig, RequestConfig } from './http-utils';
+import { createDefaultHttpOptions, defaultHttpOptionsFromConfig, RequestConfig } from './http-utils';
 import { Observable } from 'rxjs';
 import { HttpClient } from '@angular/common/http';
 import { PageLink } from '@shared/models/page/page-link';
 import { PageData } from '@shared/models/page/page-data';
 import { EntitySubtype } from '@app/shared/models/entity-type.models';
 import { EntityView, EntityViewInfo, EntityViewSearchQuery } from '@app/shared/models/entity-view.models';
+import { SaveEntityParams } from '@shared/models/entity.models';
 
 @Injectable({
   providedIn: 'root'
@@ -51,8 +52,10 @@ export class EntityViewService {
     return this.http.get<EntityViewInfo>(`/api/entityView/info/${entityViewId}`, defaultHttpOptionsFromConfig(config));
   }
 
-  public saveEntityView(entityView: EntityView, config?: RequestConfig): Observable<EntityView> {
-    return this.http.post<EntityView>('/api/entityView', entityView, defaultHttpOptionsFromConfig(config));
+  public saveEntityView(entityView: EntityView, config?: RequestConfig): Observable<EntityView>;
+  public saveEntityView(entityView: EntityView, saveParams: SaveEntityParams, config?: RequestConfig): Observable<EntityView>;
+  public saveEntityView(entityView: EntityView, saveParamsOrConfig?: SaveEntityParams | RequestConfig, config?: RequestConfig): Observable<EntityView> {
+    return this.http.post<EntityView>('/api/entityView', entityView,  createDefaultHttpOptions(saveParamsOrConfig, config));
   }
 
   public deleteEntityView(entityViewId: string, config?: RequestConfig) {
diff --git a/ui-ngx/src/app/core/http/http-utils.ts b/ui-ngx/src/app/core/http/http-utils.ts
index 787abcfbf3..ebd08f13fe 100644
--- a/ui-ngx/src/app/core/http/http-utils.ts
+++ b/ui-ngx/src/app/core/http/http-utils.ts
@@ -18,32 +18,56 @@ import { InterceptorHttpParams } from '../interceptors/interceptor-http-params';
 import { HttpHeaders } from '@angular/common/http';
 import { InterceptorConfig } from '../interceptors/interceptor-config';
 
+export type QueryParams = { [param:string]: any };
+
 export interface RequestConfig {
   ignoreLoading?: boolean;
   ignoreErrors?: boolean;
   resendRequest?: boolean;
+  queryParams?: QueryParams;
+}
+
+export function hasRequestConfig(config?: any): boolean {
+  if (!config) {
+    return false;
+  }
+  return config.hasOwnProperty('ignoreLoading') || config.hasOwnProperty('ignoreErrors') || config.hasOwnProperty('resendRequest') || config.hasOwnProperty('queryParams');
+}
+
+export function createDefaultHttpOptions(queryParamsOrConfig?: QueryParams | RequestConfig, config?: RequestConfig) {
+  if (hasRequestConfig(queryParamsOrConfig)) {
+    return defaultHttpOptionsFromConfig(queryParamsOrConfig as RequestConfig);
+  }
+  const queryParams = queryParamsOrConfig as QueryParams;
+  const finalConfig = {
+    ...config,
+    ...(queryParams && { queryParams }),
+  };
+  return defaultHttpOptionsFromConfig(finalConfig);
 }
 
 export function defaultHttpOptionsFromConfig(config?: RequestConfig) {
   if (!config) {
     config = {};
   }
-  return defaultHttpOptions(config.ignoreLoading, config.ignoreErrors, config.resendRequest);
+  return defaultHttpOptions(config.ignoreLoading, config.ignoreErrors, config.resendRequest, config.queryParams);
 }
 
 export function defaultHttpOptions(ignoreLoading: boolean = false,
                                    ignoreErrors: boolean = false,
-                                   resendRequest: boolean = false) {
+                                   resendRequest: boolean = false,
+                                   queryParams?: QueryParams) {
   return {
     headers: new HttpHeaders({'Content-Type': 'application/json'}),
-    params: new InterceptorHttpParams(new InterceptorConfig(ignoreLoading, ignoreErrors, resendRequest))
+    params: new InterceptorHttpParams(new InterceptorConfig(ignoreLoading, ignoreErrors, resendRequest), queryParams)
   };
 }
 
 export function defaultHttpUploadOptions(ignoreLoading: boolean = false,
                                          ignoreErrors: boolean = false,
-                                         resendRequest: boolean = false) {
+                                         resendRequest: boolean = false,
+                                         queryParams?: QueryParams) {
   return {
-    params: new InterceptorHttpParams(new InterceptorConfig(ignoreLoading, ignoreErrors, resendRequest))
+    params: new InterceptorHttpParams(new InterceptorConfig(ignoreLoading, ignoreErrors, resendRequest), queryParams)
   };
 }
diff --git a/ui-ngx/src/app/core/interceptors/interceptor-http-params.ts b/ui-ngx/src/app/core/interceptors/interceptor-http-params.ts
index 1d9cbdddaa..ab75102464 100644
--- a/ui-ngx/src/app/core/interceptors/interceptor-http-params.ts
+++ b/ui-ngx/src/app/core/interceptors/interceptor-http-params.ts
@@ -20,7 +20,7 @@ import { InterceptorConfig } from './interceptor-config';
 export class InterceptorHttpParams extends HttpParams {
   constructor(
     public interceptorConfig: InterceptorConfig,
-    params?: { [param: string]: string | string[] }
+    params?: { [param: string]: string | number | boolean | ReadonlyArray<string | number | boolean>; }
   ) {
     super({ fromObject: params });
   }
diff --git a/ui-ngx/src/app/shared/models/device.models.ts b/ui-ngx/src/app/shared/models/device.models.ts
index 8298d3a1fe..c2b95037a4 100644
--- a/ui-ngx/src/app/shared/models/device.models.ts
+++ b/ui-ngx/src/app/shared/models/device.models.ts
@@ -22,7 +22,7 @@ import { DeviceCredentialsId } from '@shared/models/id/device-credentials-id';
 import { EntitySearchQuery } from '@shared/models/relation.models';
 import { DeviceProfileId } from '@shared/models/id/device-profile-id';
 import { RuleChainId } from '@shared/models/id/rule-chain-id';
-import { EntityInfoData, HasTenantId, HasVersion } from '@shared/models/entity.models';
+import { EntityInfoData, HasTenantId, HasVersion, SaveEntityParams } from '@shared/models/entity.models';
 import { FilterPredicateValue, KeyFilter } from '@shared/models/query/query.models';
 import { TimeUnit } from '@shared/models/time/time.models';
 import _moment from 'moment';
@@ -739,6 +739,10 @@ export interface DeviceInfoFilter {
   active?: boolean;
 }
 
+export interface SaveDeviceParams extends SaveEntityParams {
+  accessToken?: string;
+}
+
 export class DeviceInfoQuery  {
 
   pageLink: PageLink;
diff --git a/ui-ngx/src/app/shared/models/entity.models.ts b/ui-ngx/src/app/shared/models/entity.models.ts
index 5aa526b583..54b5e98df3 100644
--- a/ui-ngx/src/app/shared/models/entity.models.ts
+++ b/ui-ngx/src/app/shared/models/entity.models.ts
@@ -209,3 +209,19 @@ export interface EntityTestScriptResult {
 }
 
 export type VersionedEntity = EntityInfoData & HasVersion | RuleChainMetaData;
+
+export enum NameConflictPolicy {
+  FAIL = 'FAIL',
+  UNIQUIFY = 'UNIQUIFY',
+}
+
+export enum UniquifyStrategy {
+  RANDOM = 'RANDOM',
+  INCREMENTAL = 'INCREMENTAL'
+}
+
+export interface SaveEntityParams {
+  nameConflictPolicy?: NameConflictPolicy;
+  uniquifyStrategy?: UniquifyStrategy;
+  uniquifySeparator?: string;
+}