diff --git a/lib/services/connection/api_manager/mock_api.dart b/lib/services/connection/api_manager/mock_api.dart
index 15e702553a..45ef84a3d6 100644
--- a/lib/services/connection/api_manager/mock_api.dart
+++ b/lib/services/connection/api_manager/mock_api.dart
@@ -13,6 +13,7 @@ import 'package:flutter_deriv_api/services/connection/api_manager/connection_inf
 import 'package:flutter_deriv_api/services/connection/api_manager/exceptions/api_manager_exception.dart';
 import 'package:flutter_deriv_api/services/connection/api_manager/mock_data/account/new_account_wallet_response.dart';
 import 'package:flutter_deriv_api/services/connection/api_manager/mock_data/cashier/cashier_payments_response.dart';
+import 'package:flutter_deriv_api/services/connection/api_manager/mock_data/passkeys/passkeys_register_options_response.dart';
 import 'package:flutter_deriv_api/services/connection/call_manager/base_call_manager.dart';
 import 'package:flutter_deriv_api/services/connection/call_manager/exceptions/call_manager_exception.dart';
 
@@ -375,6 +376,8 @@ class MockAPI extends BaseAPI {
         return websiteStatusResponse;
       case 'wallet_migration':
         return walletMigrationResponse;
+      case 'passkeys_register_options':
+        return passkeysRegisterOptionsResponse;
 
       default:
         throw APIManagerException(
diff --git a/lib/services/connection/api_manager/mock_data/passkeys/passkeys_register_options_response.dart b/lib/services/connection/api_manager/mock_data/passkeys/passkeys_register_options_response.dart
new file mode 100644
index 0000000000..b51d9a515e
--- /dev/null
+++ b/lib/services/connection/api_manager/mock_data/passkeys/passkeys_register_options_response.dart
@@ -0,0 +1,46 @@
+/// Wallet migration response mock data.
+const String passkeysRegisterOptionsResponse = '''{
+    "echo_req": {
+        "passkeys_register_options": 1
+    },
+    "msg_type": "passkeys_register_options",
+    "passkeys_register_options": {
+        "publicKey": {
+            "attestation": "direct",
+            "authenticatorSelection": {
+                "requireResidentKey": true,
+                "residentKey": "required",
+                "userVerification": "preferred"
+            },
+            "challenge": "40gAmfy2FaUGwsV_VrxtvBgPa77dl8W6fFLxQf5WHMc",
+            "excludeCredentials": [],
+            "extensions": {
+                "credProps": true
+            },
+            "pubKeyCredParams": [
+                {
+                    "alg": -8,
+                    "type": "public-key"
+                },
+                {
+                    "alg": -7,
+                    "type": "public-key"
+                },
+                {
+                    "alg": -257,
+                    "type": "public-key"
+                }
+            ],
+            "rp": {
+                "id": "deriv.com",
+                "name": "Deriv"
+            },
+            "timeout": 60000,
+            "user": {
+                "displayName": "bassam@deriv.com",
+                "id": 14,
+                "name": "bassam@deriv.com"
+            }
+        }
+    }
+}''';