diff --git a/android/src/main/java/com/mindboxsdk/MindboxSdkModule.kt b/android/src/main/java/com/mindboxsdk/MindboxSdkModule.kt
index 3b94682..380e059 100644
--- a/android/src/main/java/com/mindboxsdk/MindboxSdkModule.kt
+++ b/android/src/main/java/com/mindboxsdk/MindboxSdkModule.kt
@@ -75,8 +75,8 @@ class MindboxSdkModule(
             if (activity != null) {
                 val configurationBuilder = MindboxConfiguration.Builder(
                     context = context,
-                    domain = payload.optString("domain", "api.mindbox.ru"),
-                    endpointId = payload.optString("endpointId", "")
+                    domain = payload.getString("domain"),
+                    endpointId = payload.getString("endpointId")
                 )
                 if (payload.has("subscribeCustomerIfCreated")) {
                     configurationBuilder.subscribeCustomerIfCreated(
diff --git a/src/index.tsx b/src/index.tsx
index 3ede474..50acbc3 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -83,7 +83,7 @@ class MindboxSdkClass {
    *
    * @example
    * await MindboxSdk.initialize({
-   *   domain: 'api.mindbox.ru',
+   *   domain: 'your-domain.example.com',
    *   endpointId: 'your-endpoint-id-here',
    *   subscribeCustomerIfCreated: true,
    *   shouldCreateCustomer: true,