diff --git a/CHANGELOG.md b/CHANGELOG.md
index a2e35d0029..fe4e425156 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## 0.38.22
 
+* `Core`:
+    * New constant `tgWebAppStartParamField`
+    * All keyboards builders and rows blocks becomes not crossinline
+
 ## 0.38.21
 
 * `WebApps`:
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
index 3c69c82260..c90052f0c8 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
@@ -96,6 +96,8 @@ val telegramInlineModeGifPermittedMimeTypes by lazy {
     )
 }
 
+const val tgWebAppStartParamField = "tgWebAppStartParam"
+
 const val chatIdField = "chat_id"
 const val senderChatIdField = "sender_chat_id"
 const val messageIdField = "message_id"
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/utils/extensions/WebAppParamHelper.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/utils/extensions/WebAppParamHelper.kt
new file mode 100644
index 0000000000..766073d78e
--- /dev/null
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/utils/extensions/WebAppParamHelper.kt
@@ -0,0 +1,5 @@
+package dev.inmo.tgbotapi.utils.extensions
+
+import dev.inmo.tgbotapi.types.tgWebAppStartParamField
+
+fun createWebAppStartParam(value: String) = tgWebAppStartParamField to value
diff --git a/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/types/buttons/InlineKeyboardBuilder.kt b/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/types/buttons/InlineKeyboardBuilder.kt
index 24ff8e370c..595d0de9a3 100644
--- a/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/types/buttons/InlineKeyboardBuilder.kt
+++ b/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/types/buttons/InlineKeyboardBuilder.kt
@@ -37,7 +37,7 @@ class InlineKeyboardRowBuilder : RowBuilder<InlineKeyboardButton>()
  * @see InlineKeyboardBuilder.row
  */
 inline fun inlineKeyboard(
-    crossinline block: InlineKeyboardBuilder.() -> Unit
+    block: InlineKeyboardBuilder.() -> Unit
 ) = InlineKeyboardBuilder().apply(block).build()
 
 /**
@@ -52,7 +52,7 @@ inline fun inlineKeyboard(
  * @see urlButton
  */
 inline fun InlineKeyboardBuilder.row(
-    crossinline block: InlineKeyboardRowBuilder.() -> Unit
+    block: InlineKeyboardRowBuilder.() -> Unit
 ) = add(InlineKeyboardRowBuilder().apply(block).row)
 
 /**
diff --git a/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/types/buttons/ReplyKeyboardBuilder.kt b/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/types/buttons/ReplyKeyboardBuilder.kt
index 78e86fb8d8..2bb771e86d 100644
--- a/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/types/buttons/ReplyKeyboardBuilder.kt
+++ b/tgbotapi.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/types/buttons/ReplyKeyboardBuilder.kt
@@ -44,7 +44,7 @@ inline fun replyKeyboard(
     oneTimeKeyboard: Boolean? = null,
     inputFieldPlaceholder: String? = null,
     selective: Boolean? = null,
-    crossinline block: ReplyKeyboardBuilder.() -> Unit
+    block: ReplyKeyboardBuilder.() -> Unit
 ) = ReplyKeyboardBuilder().apply(block).build(resizeKeyboard, oneTimeKeyboard, inputFieldPlaceholder, selective)
 
 /**
@@ -56,7 +56,7 @@ inline fun replyKeyboard(
  * @see requestPollButton
  */
 inline fun ReplyKeyboardBuilder.row(
-    crossinline block: ReplyKeyboardRowBuilder.() -> Unit
+    block: ReplyKeyboardRowBuilder.() -> Unit
 ) = add(ReplyKeyboardRowBuilder().apply(block).row)
 
 /**
@@ -110,3 +110,14 @@ inline fun ReplyKeyboardRowBuilder.webAppButton(
     text: String,
     webApp: WebAppInfo
 ) = add(WebAppKeyboardButton(text, webApp))
+
+/**
+ * Creates and put [WebAppKeyboardButton]
+ *
+ * @see replyKeyboard
+ * @see ReplyKeyboardBuilder.row
+ */
+inline fun ReplyKeyboardRowBuilder.webAppButton(
+    text: String,
+    url: String
+) = webAppButton(text, WebAppInfo(url))