diff --git a/package-lock.json b/package-lock.json
index 5f50193a0..54cafff22 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -728,9 +728,9 @@
       "license": "MIT"
     },
     "node_modules/cross-spawn": {
-      "version": "6.0.5",
-      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
-      "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+      "version": "6.0.6",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.6.tgz",
+      "integrity": "sha512-VqCUuhcd1iB+dsv8gxPttb5iZh/D0iubSP21g36KXdEuf6I5JiioesUVjpCdHV9MZRUfVFlvwtIUyPfxo5trtw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/src/configuration/ApiClientConfigurator.ts b/src/configuration/ApiClientConfigurator.ts
index 1461c951c..ecfa77dff 100644
--- a/src/configuration/ApiClientConfigurator.ts
+++ b/src/configuration/ApiClientConfigurator.ts
@@ -112,9 +112,50 @@ export class ApiClientConfigurator {
       )
     }
 
+    if (config.middleware) {
+      middleware.push(
+        ...this.getCustomMiddleware<
+          RequestContextType,
+          ResponseContextType,
+          ObservableRequestContextType,
+          ObservableResponseContextType
+        >(config, observableRequestContextParam, observableResponseContextParam),
+      )
+    }
+
     return middleware
   }
 
+  protected static getCustomMiddleware<
+    RequestContextType extends IRequestContext,
+    ResponseContextType,
+    ObservableRequestContextType,
+    ObservableResponseContextType,
+  >(
+    config: IConfiguration,
+    observableRequestContextParam: new (promise: Promise<RequestContextType>) => ObservableRequestContextType,
+    observableResponseContextParam: new (promise: Promise<ResponseContextType>) => ObservableResponseContextType,
+  ) {
+    return (
+      config.middleware
+        ?.filter((m) => m.pre || m.post)
+        .map((m) => ({
+          pre: (context: RequestContextType): ObservableRequestContextType => {
+            if (m.pre && typeof m.pre === 'function') {
+              return new observableRequestContextParam(Promise.resolve(m.pre(context) as RequestContextType))
+            }
+            return new observableRequestContextParam(Promise.resolve(context))
+          },
+          post: (context: ResponseContextType): ObservableResponseContextType => {
+            if (m.post && typeof m.post === 'function') {
+              return new observableResponseContextParam(Promise.resolve(m.post(context) as ResponseContextType))
+            }
+            return new observableResponseContextParam(Promise.resolve(context))
+          },
+        })) ?? []
+    )
+  }
+
   protected static getHeaderMiddleware<
     RequestContextType extends IRequestContext,
     ResponseContextType,
diff --git a/src/configuration/IConfiguration.ts b/src/configuration/IConfiguration.ts
index b9da99c30..bdea190b5 100644
--- a/src/configuration/IConfiguration.ts
+++ b/src/configuration/IConfiguration.ts
@@ -12,4 +12,8 @@ export default interface IConfiguration {
   limiterOptions?: Bottleneck.ConstructorOptions
   limiterJobOptions?: Bottleneck.JobOptions
   httpAgent?: http.Agent | https.Agent
+  middleware?: Array<{
+    pre(ctx: unknown): unknown
+    post(ctx: unknown): unknown
+  }>
 }