diff --git a/modules/swagger-codegen/src/main/resources/Javascript/ApiClient.mustache b/modules/swagger-codegen/src/main/resources/Javascript/ApiClient.mustache
index aa7fdc70c71..4c5a5d60e7f 100644
--- a/modules/swagger-codegen/src/main/resources/Javascript/ApiClient.mustache
+++ b/modules/swagger-codegen/src/main/resources/Javascript/ApiClient.mustache
@@ -91,6 +91,10 @@
       this.agent = new superagent.agent();
     }
 
+    /*
+     * Allow user to override superagent agent
+     */
+    this.requestAgent = null;
   };
 
 {{#emitJSDoc}}  /**
@@ -408,6 +412,12 @@
     // set header parameters
     request.set(this.defaultHeaders).set(this.normalizeParams(headerParams));
 
+
+    // set requestAgent if it is set by user
+    if (this.requestAgent) {
+      request.agent(this.requestAgent);
+    }
+
     // set request timeout
     request.timeout(this.timeout);
 
diff --git a/modules/swagger-codegen/src/main/resources/Javascript/es6/ApiClient.mustache b/modules/swagger-codegen/src/main/resources/Javascript/es6/ApiClient.mustache
index 17e9000179d..0e2a92da149 100644
--- a/modules/swagger-codegen/src/main/resources/Javascript/es6/ApiClient.mustache
+++ b/modules/swagger-codegen/src/main/resources/Javascript/es6/ApiClient.mustache
@@ -78,6 +78,12 @@ export default class ApiClient {
         if (typeof window === 'undefined') {
           this.agent = new superagent.agent();
         }
+
+        /*
+         * Allow user to override superagent agent
+         */
+         this.requestAgent = null;
+
     }
 
     {{#emitJSDoc}}/**
@@ -396,6 +402,11 @@ export default class ApiClient {
         // set header parameters
         request.set(this.defaultHeaders).set(this.normalizeParams(headerParams));
 
+        // set requestAgent if it is set by user
+        if (this.requestAgent) {
+          request.agent(this.requestAgent);
+        }
+
         // set request timeout
         request.timeout(this.timeout);