diff --git a/modules/openapi-generator/src/main/resources/typescript-nestjs/api.service.mustache b/modules/openapi-generator/src/main/resources/typescript-nestjs/api.service.mustache
index a3d501dd80d..d33a206803f 100644
--- a/modules/openapi-generator/src/main/resources/typescript-nestjs/api.service.mustache
+++ b/modules/openapi-generator/src/main/resources/typescript-nestjs/api.service.mustache
@@ -62,10 +62,12 @@ export class {{classname}} {
     protected basePath = '{{{basePath}}}';
     public defaultHeaders: Record<string,string> = {};
     public configuration = new Configuration();
+    protected httpClient: HttpService;
 
-    constructor(protected httpClient: HttpService, @Optional() configuration: Configuration) {
+    constructor(httpClient: HttpService, @Optional() configuration: Configuration) {
         this.configuration = configuration || this.configuration;
         this.basePath = configuration?.basePath || this.basePath;
+        this.httpClient = configuration?.httpClient || httpClient;
     }
 
     /**
diff --git a/modules/openapi-generator/src/main/resources/typescript-nestjs/configuration.mustache b/modules/openapi-generator/src/main/resources/typescript-nestjs/configuration.mustache
index 1ee763ae549..5db77aed725 100644
--- a/modules/openapi-generator/src/main/resources/typescript-nestjs/configuration.mustache
+++ b/modules/openapi-generator/src/main/resources/typescript-nestjs/configuration.mustache
@@ -1,3 +1,4 @@
+import type { HttpService } from '@nestjs/axios';
 import { ModuleMetadata, Type } from '@nestjs/common/interfaces';
 
 export interface ConfigurationParameters {
@@ -7,6 +8,7 @@ export interface ConfigurationParameters {
     accessToken?: string | Promise<string> | (() => string | Promise<string>);
     basePath?: string;
     withCredentials?: boolean;
+    httpClient?: HttpService;
 }
 
 export class Configuration {
@@ -16,6 +18,7 @@ export class Configuration {
     accessToken?: string | Promise<string> | (() => string | Promise<string>);
     basePath?: string;
     withCredentials?: boolean;
+    httpClient?: HttpService;
 
     constructor(configurationParameters: ConfigurationParameters = {}) {
         this.apiKeys = configurationParameters.apiKeys;
@@ -24,6 +27,7 @@ export class Configuration {
         this.accessToken = configurationParameters.accessToken;
         this.basePath = configurationParameters.basePath;
         this.withCredentials = configurationParameters.withCredentials;
+        this.httpClient = configurationParameters.httpClient;
     }
 
     /**
diff --git a/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/pet.service.ts b/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/pet.service.ts
index fc179af6e23..1f0ae5010da 100644
--- a/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/pet.service.ts
+++ b/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/pet.service.ts
@@ -26,10 +26,12 @@ export class PetService {
     protected basePath = 'http://petstore.swagger.io/v2';
     public defaultHeaders: Record<string,string> = {};
     public configuration = new Configuration();
+    protected httpClient: HttpService;
 
-    constructor(protected httpClient: HttpService, @Optional() configuration: Configuration) {
+    constructor(httpClient: HttpService, @Optional() configuration: Configuration) {
         this.configuration = configuration || this.configuration;
         this.basePath = configuration?.basePath || this.basePath;
+        this.httpClient = configuration?.httpClient || httpClient;
     }
 
     /**
diff --git a/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/store.service.ts b/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/store.service.ts
index 3c45cde1c26..94297bee306 100644
--- a/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/store.service.ts
+++ b/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/store.service.ts
@@ -25,10 +25,12 @@ export class StoreService {
     protected basePath = 'http://petstore.swagger.io/v2';
     public defaultHeaders: Record<string,string> = {};
     public configuration = new Configuration();
+    protected httpClient: HttpService;
 
-    constructor(protected httpClient: HttpService, @Optional() configuration: Configuration) {
+    constructor(httpClient: HttpService, @Optional() configuration: Configuration) {
         this.configuration = configuration || this.configuration;
         this.basePath = configuration?.basePath || this.basePath;
+        this.httpClient = configuration?.httpClient || httpClient;
     }
 
     /**
diff --git a/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/user.service.ts b/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/user.service.ts
index 5ab42497f8f..ab3450300f7 100644
--- a/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/user.service.ts
+++ b/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/api/user.service.ts
@@ -25,10 +25,12 @@ export class UserService {
     protected basePath = 'http://petstore.swagger.io/v2';
     public defaultHeaders: Record<string,string> = {};
     public configuration = new Configuration();
+    protected httpClient: HttpService;
 
-    constructor(protected httpClient: HttpService, @Optional() configuration: Configuration) {
+    constructor(httpClient: HttpService, @Optional() configuration: Configuration) {
         this.configuration = configuration || this.configuration;
         this.basePath = configuration?.basePath || this.basePath;
+        this.httpClient = configuration?.httpClient || httpClient;
     }
 
     /**
diff --git a/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/configuration.ts b/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/configuration.ts
index 1ee763ae549..5db77aed725 100644
--- a/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/configuration.ts
+++ b/samples/client/petstore/typescript-nestjs-v6-provided-in-root/builds/default/configuration.ts
@@ -1,3 +1,4 @@
+import type { HttpService } from '@nestjs/axios';
 import { ModuleMetadata, Type } from '@nestjs/common/interfaces';
 
 export interface ConfigurationParameters {
@@ -7,6 +8,7 @@ export interface ConfigurationParameters {
     accessToken?: string | Promise<string> | (() => string | Promise<string>);
     basePath?: string;
     withCredentials?: boolean;
+    httpClient?: HttpService;
 }
 
 export class Configuration {
@@ -16,6 +18,7 @@ export class Configuration {
     accessToken?: string | Promise<string> | (() => string | Promise<string>);
     basePath?: string;
     withCredentials?: boolean;
+    httpClient?: HttpService;
 
     constructor(configurationParameters: ConfigurationParameters = {}) {
         this.apiKeys = configurationParameters.apiKeys;
@@ -24,6 +27,7 @@ export class Configuration {
         this.accessToken = configurationParameters.accessToken;
         this.basePath = configurationParameters.basePath;
         this.withCredentials = configurationParameters.withCredentials;
+        this.httpClient = configurationParameters.httpClient;
     }
 
     /**
diff --git a/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/pet.service.ts b/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/pet.service.ts
index 8adce2ebe57..5f68577397a 100644
--- a/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/pet.service.ts
+++ b/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/pet.service.ts
@@ -27,10 +27,12 @@ export class PetService {
     protected basePath = 'http://petstore.swagger.io/v2';
     public defaultHeaders: Record<string,string> = {};
     public configuration = new Configuration();
+    protected httpClient: HttpService;
 
-    constructor(protected httpClient: HttpService, @Optional() configuration: Configuration) {
+    constructor(httpClient: HttpService, @Optional() configuration: Configuration) {
         this.configuration = configuration || this.configuration;
         this.basePath = configuration?.basePath || this.basePath;
+        this.httpClient = configuration?.httpClient || httpClient;
     }
 
     /**
diff --git a/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/store.service.ts b/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/store.service.ts
index 93bfd113ba8..72e0006fcb7 100644
--- a/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/store.service.ts
+++ b/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/store.service.ts
@@ -26,10 +26,12 @@ export class StoreService {
     protected basePath = 'http://petstore.swagger.io/v2';
     public defaultHeaders: Record<string,string> = {};
     public configuration = new Configuration();
+    protected httpClient: HttpService;
 
-    constructor(protected httpClient: HttpService, @Optional() configuration: Configuration) {
+    constructor(httpClient: HttpService, @Optional() configuration: Configuration) {
         this.configuration = configuration || this.configuration;
         this.basePath = configuration?.basePath || this.basePath;
+        this.httpClient = configuration?.httpClient || httpClient;
     }
 
     /**
diff --git a/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/user.service.ts b/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/user.service.ts
index dcbfddd4fa0..d55838c23a1 100644
--- a/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/user.service.ts
+++ b/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/api/user.service.ts
@@ -26,10 +26,12 @@ export class UserService {
     protected basePath = 'http://petstore.swagger.io/v2';
     public defaultHeaders: Record<string,string> = {};
     public configuration = new Configuration();
+    protected httpClient: HttpService;
 
-    constructor(protected httpClient: HttpService, @Optional() configuration: Configuration) {
+    constructor(httpClient: HttpService, @Optional() configuration: Configuration) {
         this.configuration = configuration || this.configuration;
         this.basePath = configuration?.basePath || this.basePath;
+        this.httpClient = configuration?.httpClient || httpClient;
     }
 
     /**
diff --git a/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/configuration.ts b/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/configuration.ts
index 1ee763ae549..5db77aed725 100644
--- a/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/configuration.ts
+++ b/samples/client/petstore/typescript-nestjs-v8-provided-in-root/builds/default/configuration.ts
@@ -1,3 +1,4 @@
+import type { HttpService } from '@nestjs/axios';
 import { ModuleMetadata, Type } from '@nestjs/common/interfaces';
 
 export interface ConfigurationParameters {
@@ -7,6 +8,7 @@ export interface ConfigurationParameters {
     accessToken?: string | Promise<string> | (() => string | Promise<string>);
     basePath?: string;
     withCredentials?: boolean;
+    httpClient?: HttpService;
 }
 
 export class Configuration {
@@ -16,6 +18,7 @@ export class Configuration {
     accessToken?: string | Promise<string> | (() => string | Promise<string>);
     basePath?: string;
     withCredentials?: boolean;
+    httpClient?: HttpService;
 
     constructor(configurationParameters: ConfigurationParameters = {}) {
         this.apiKeys = configurationParameters.apiKeys;
@@ -24,6 +27,7 @@ export class Configuration {
         this.accessToken = configurationParameters.accessToken;
         this.basePath = configurationParameters.basePath;
         this.withCredentials = configurationParameters.withCredentials;
+        this.httpClient = configurationParameters.httpClient;
     }
 
     /**