diff --git a/types.go b/types.go
index 52cb36c..2979a89 100644
--- a/types.go
+++ b/types.go
@@ -473,6 +473,7 @@ type InlineKeyboardMarkup struct {
 type InlineKeyboardButton struct {
 	Text                         string        `json:"text"`
 	URL                          *string       `json:"url,omitempty"`                              // optional
+	LoginUrl                     *LoginUrl     `json:"url,omitempty"`                              // optional
 	CallbackData                 *string       `json:"callback_data,omitempty"`                    // optional
 	SwitchInlineQuery            *string       `json:"switch_inline_query,omitempty"`              // optional
 	SwitchInlineQueryCurrentChat *string       `json:"switch_inline_query_current_chat,omitempty"` // optional
@@ -480,6 +481,14 @@ type InlineKeyboardButton struct {
 	Pay                          bool          `json:"pay,omitempty"`                              // optional
 }
 
+//LoginUrl
+type LoginUrl struct {
+	URL                string  `json:"url"`
+	ForwardText        *string `json:"forward_text,omitempty"`
+	BotUsername        *string `json:"bot_username,omitempty"`
+	RequestWriteAccess *bool   `json:"request_write_access,omitempty"`
+}
+
 // CallbackQuery is data sent when a keyboard button with callback data
 // is clicked.
 type CallbackQuery struct {