diff --git a/modules/swagger-codegen/src/main/resources/qt5cpp/api-body.mustache b/modules/swagger-codegen/src/main/resources/qt5cpp/api-body.mustache
index 58792c57e3f..f454a58fb29 100644
--- a/modules/swagger-codegen/src/main/resources/qt5cpp/api-body.mustache
+++ b/modules/swagger-codegen/src/main/resources/qt5cpp/api-body.mustache
@@ -112,9 +112,15 @@ void
     {{/isContainer}}{{/bodyParams}}
 
     {{#headerParams}}
-    // TODO: add header support
+    if ({{paramName}} != nullptr) {
+        input.headers.insert("{{baseName}}", "{{paramName}}");
+    }
     {{/headerParams}}
 
+    foreach(QString key, this->defaultHeaders.keys()) {
+        input.headers.insert(key, this->defaultHeaders.value(key));
+    }
+
     connect(worker,
             &HttpRequestWorker::on_execution_finished,
             this,
diff --git a/modules/swagger-codegen/src/main/resources/qt5cpp/api-header.mustache b/modules/swagger-codegen/src/main/resources/qt5cpp/api-header.mustache
index 3eaa7a98112..66b7a0be0c2 100644
--- a/modules/swagger-codegen/src/main/resources/qt5cpp/api-header.mustache
+++ b/modules/swagger-codegen/src/main/resources/qt5cpp/api-header.mustache
@@ -23,6 +23,7 @@ public:
 
     QString host;
     QString basePath;
+    QMap<QString, QString> defaultHeaders;
 
     {{#operations}}{{#operation}}void {{nickname}}({{#allParams}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
     {{/operation}}{{/operations}}