diff --git a/packages/at_commons/CHANGELOG.md b/packages/at_commons/CHANGELOG.md
index c0fd26bf..a7de6a74 100644
--- a/packages/at_commons/CHANGELOG.md
+++ b/packages/at_commons/CHANGELOG.md
@@ -1,3 +1,5 @@
+## 3.0.57
+- feat: Introduced TTL(Time to Live) for OTP verb to configure OTP expiry
 ## 3.0.56
 - feat: Introduce "AtInvalidEnrollmentException" which is thrown when an enrollment is expired or invalid
 - feat: Introduce error code 'AT0030' for Invalid Enrollment Status
diff --git a/packages/at_commons/lib/src/verb/syntax.dart b/packages/at_commons/lib/src/verb/syntax.dart
index 780816c8..050beb33 100644
--- a/packages/at_commons/lib/src/verb/syntax.dart
+++ b/packages/at_commons/lib/src/verb/syntax.dart
@@ -129,7 +129,7 @@ class VerbSyntax {
   static const enroll =
       // The non-capturing group (?::)? matches ":" if the operation is request|approve|deny|revoke
       r'^enroll:(?<operation>(?:list$|(request|approve|deny|revoke|update)))(?::)?(?<enrollParams>.+)?$';
-  static const otp = r'^otp:(?<operation>get|validate)(:(?<otp>\w+))?$';
+  static const otp = r'^otp:(?<operation>get)(:(?:ttl:(?<ttl>\d+)))?$';
   static const keys = r'^keys:((?<operation>put|get|delete):?)'
       r'(?:(?<visibility>public|private|self):?)?'
       r'(?:namespace:(?<namespace>[a-zA-Z0-9_]+):?)?'
diff --git a/packages/at_commons/pubspec.yaml b/packages/at_commons/pubspec.yaml
index 8582feea..69055bba 100644
--- a/packages/at_commons/pubspec.yaml
+++ b/packages/at_commons/pubspec.yaml
@@ -1,6 +1,6 @@
 name: at_commons
 description: A library of Dart and Flutter utility classes that are used across other components of the atPlatform.
-version: 3.0.56
+version: 3.0.57
 repository: https://github.com/atsign-foundation/at_libraries
 homepage: https://atsign.dev
 
diff --git a/packages/at_commons/test/otp_verb_test.dart b/packages/at_commons/test/otp_verb_test.dart
new file mode 100644
index 00000000..8510b0d3
--- /dev/null
+++ b/packages/at_commons/test/otp_verb_test.dart
@@ -0,0 +1,24 @@
+import 'package:at_commons/at_commons.dart';
+import 'package:test/test.dart';
+
+import 'syntax_test.dart';
+
+void main() {
+  group('A group of tests related to OTP verb syntax', () {
+    test('A test to verify otp:get regex', () {
+      Map<dynamic, dynamic> verbParams =
+          getVerbParams(VerbSyntax.otp, "otp:get");
+      expect(verbParams[AtConstants.operation], "get");
+      expect(verbParams['ttl'], null);
+      expect(verbParams['otp'], null);
+    });
+
+    test('A test to verify otp:get regex with TTL', () {
+      Map<dynamic, dynamic> verbParams =
+      getVerbParams(VerbSyntax.otp, "otp:get:ttl:100");
+      expect(verbParams[AtConstants.operation], "get");
+      expect(verbParams['ttl'], '100');
+      expect(verbParams['otp'], null);
+    });
+  });
+}
diff --git a/packages/at_commons/test/syntax_test.dart b/packages/at_commons/test/syntax_test.dart
index 679301fc..03484248 100644
--- a/packages/at_commons/test/syntax_test.dart
+++ b/packages/at_commons/test/syntax_test.dart
@@ -307,14 +307,6 @@ void main() {
           VerbUtil.getVerbParam(VerbSyntax.otp, command.trim())!;
       expect(enrollVerbParams['operation'], 'get');
     });
-
-    test('A test to verify otp verb for validate operation', () {
-      String command = 'otp:validate:ABC123\n';
-      var enrollVerbParams =
-          VerbUtil.getVerbParam(VerbSyntax.otp, command.trim());
-      expect(enrollVerbParams!['operation'], 'validate');
-      expect(enrollVerbParams['otp'], 'ABC123');
-    });
   });
 }