diff --git a/templates/flow-class.mustache b/templates/flow-class.mustache
index 9b8e62c9..6bd260df 100644
--- a/templates/flow-class.mustache
+++ b/templates/flow-class.mustache
@@ -8,6 +8,7 @@ export default class {{&className}} {
     method: 'POST' | 'GET' | 'PUT' | 'DELETE' | 'OPTIONS' | 'HEAD' | 'PATCH',
     query: {[string]: mixed},
     body?: {[string]: any} | string | Array<any>,
+    headers?: {[string]: any} | string | Array<any>,
   ) {
     throw new Error("Must be implemented");
   }
diff --git a/templates/flow-method.mustache b/templates/flow-method.mustache
index 35df9d40..f31ee9ea 100644
--- a/templates/flow-method.mustache
+++ b/templates/flow-method.mustache
@@ -6,10 +6,11 @@ static async {{&methodName}}(
     {{/parameters}}
   }
 {{/hasParameters}}
-): Promise<{{#methodResponse}}"{{&methodResponse}}"{{/methodResponse}}{{#methodFlowType}}{{> type}}{{/methodFlowType}}> {
+): Promise<{{#methodResponse}}"{{&methodResponse}}"{{/methodResponse}}{{#methodFlowType}}{{> type}}{{/methodFlowType}}{{^methodResponse}}{{^methodFlowType}}any{{/methodFlowType}}{{/methodResponse}}> {
   let path = '{{&path}}';
   let body;
   let query = {};
+  let headers = {};
   {{#parameters}}
     {{#required}}
       if(parameters['{{&camelCaseName}}'] === undefined) {
@@ -21,6 +22,17 @@ static async {{&methodName}}(
       path = path.replace('{{=<% %>=}}{<%&name%>}<%={{ }}=%>', `${parameters['{{&camelCaseName}}']}`);
     {{/isPathParameter}}
 
+    {{#isHeaderParameter}}
+        {{#isSingleton}}
+            headers['{{&name}}'] = '{{&singleton}}';
+        {{/isSingleton}}
+        {{^isSingleton}}
+            if(parameters['{{&camelCaseName}}'] !== undefined) {
+                headers['{{&name}}'] = parameters['{{&camelCaseName}}'];
+            }
+        {{/isSingleton}}
+    {{/isHeaderParameter}}
+
     {{#isBodyParameter}}
       if(parameters['{{&camelCaseName}}'] !== undefined) {
         body = parameters['{{&camelCaseName}}'];
@@ -35,5 +47,5 @@ static async {{&methodName}}(
 
   {{/parameters}}
 
-  return await this.request(path, '{{method}}', query, body);
+  return await this.request(path, '{{method}}', query, body, headers);
 }