diff --git a/README.md b/README.md
index 750acf7..ce0cbf0 100644
--- a/README.md
+++ b/README.md
@@ -152,6 +152,8 @@ authService
   .getTokenPayload(): string
   // get the token ttl if available
   .getTtl(): Number
+  // get the token exp if available
+  .getExp(): Number
 ```
 
 Additionally, you can use `AuthFilterValueConverter` and `AuthorizeStep` for UI feedback.
diff --git a/src/authService.js b/src/authService.js
index 25e09c6..25e6caf 100644
--- a/src/authService.js
+++ b/src/authService.js
@@ -101,6 +101,15 @@ export class AuthService {
     return authenticated;
   }
 
+  /**
+   * Gets ttl in seconds
+   *
+   * @returns {Number} ttl for JWT tokens, NaN for all other tokens
+   */
+  getExp() {
+    return this.authentication.getExp();
+  }
+
   /**
    * Gets ttl in seconds
    *