diff --git a/index.d.ts b/index.d.ts
index 1bad834..49d9600 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -46,6 +46,11 @@ export interface SyncResult {
     total_count: number;
 }
 
+interface ReleasePreview {
+    release_id: string;
+    preview_timestamp: string;
+}
+
 // Contentstack Config 
 export interface Config {
     api_key: string;
@@ -56,7 +61,8 @@ export interface Config {
     live_preview?: LivePreview;
     plugins?: ContentstackPlugin[];
     fetchOptions?: FetchOptions;
-    early_access?: string[]
+    early_access?: string[];
+    release_preview?: ReleasePreview;
 }
 // Stack Config
 export interface StackConfig {
diff --git a/src/core/stack.js b/src/core/stack.js
index 04d7f6c..f287dab 100755
--- a/src/core/stack.js
+++ b/src/core/stack.js
@@ -69,7 +69,7 @@ export default class Stack {
             }
         };
         this.config = JSON.parse(JSON.stringify(config));
-        this.plugins = []
+        this.plugins = [];
 
         if (stack_arguments[0].live_preview && stack_arguments[0].live_preview.enable === true && stack_arguments[0].live_preview.management_token !== null) {
             if (stack_arguments[0].live_preview.management_token) {
@@ -118,6 +118,10 @@ export default class Stack {
                     if (typeof stack_arguments[0].early_access == "object" && Array.isArray(stack_arguments[0].early_access) && stack_arguments[0].early_access.length > 0) {
                         this.headers['x-header-ea'] = stack_arguments[0].early_access.join(',')
                     }
+                    if (typeof stack_arguments[0].release_preview == "object" && stack_arguments[0].release_preview !== null && Object.keys(stack_arguments[0].release_preview).length > 0) {
+                        this.headers['release_id'] = stack_arguments[0].release_preview.release_id;
+                        this.headers['preview_timestamp'] = stack_arguments[0].release_preview.preview_timestamp;
+                    }
                     this.environment = stack_arguments[0].environment;
                     return this;
                 } else {