diff --git a/android/src/main/java/com/mindboxsdk/MindboxSdkModule.kt b/android/src/main/java/com/mindboxsdk/MindboxSdkModule.kt
index 0f8d7e5..bb71c00 100644
--- a/android/src/main/java/com/mindboxsdk/MindboxSdkModule.kt
+++ b/android/src/main/java/com/mindboxsdk/MindboxSdkModule.kt
@@ -43,8 +43,8 @@ class MindboxSdkModule(private val reactContext: ReactApplicationContext) : Reac
       if (activity != null && context != 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")) {
diff --git a/src/index.tsx b/src/index.tsx
index 6953aad..e159554 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -76,7 +76,7 @@ class MindboxSdkClass {
    *
    * @example
    * await MindboxSdk.initialize({
-   *   domain: 'api.mindbox.ru',
+   *   domain: 'your-domain.example.com',
    *   endpointId: 'your-endpoint-id-here',
    *   subscribeCustomerIfCreated: true,
    *   shouldCreateCustomer: true,