diff --git a/Telegram/SourceFiles/core/local_url_handlers.cpp b/Telegram/SourceFiles/core/local_url_handlers.cpp
index 6a1d8c1b1..5b4a8cce1 100644
--- a/Telegram/SourceFiles/core/local_url_handlers.cpp
+++ b/Telegram/SourceFiles/core/local_url_handlers.cpp
@@ -733,7 +733,7 @@ bool ResolveInvoice(
 	Payments::CheckoutProcess::Start(
 		&controller->session(),
 		slug,
-		crl::guard(window, [=] { window->activate(); }));
+		crl::guard(window, [=](auto) { window->activate(); }));
 	return true;
 }
 
diff --git a/Telegram/SourceFiles/facades.cpp b/Telegram/SourceFiles/facades.cpp
index 1409b6deb..3a0c749a9 100644
--- a/Telegram/SourceFiles/facades.cpp
+++ b/Telegram/SourceFiles/facades.cpp
@@ -120,7 +120,7 @@ void activateBotCommand(
 		Payments::CheckoutProcess::Start(
 			msg,
 			Payments::Mode::Payment,
-			crl::guard(App::wnd(), [] { App::wnd()->activate(); }));
+			crl::guard(App::wnd(), [](auto) { App::wnd()->activate(); }));
 	} break;
 
 	case ButtonType::Url: {
diff --git a/Telegram/SourceFiles/history/history.cpp b/Telegram/SourceFiles/history/history.cpp
index 722f4cd48..b043f2e6e 100644
--- a/Telegram/SourceFiles/history/history.cpp
+++ b/Telegram/SourceFiles/history/history.cpp
@@ -1032,24 +1032,31 @@ void History::applyServiceChanges(
 		}
 	}, [&](const MTPDmessageActionPaymentSent &data) {
 		if (const auto payment = item->Get<HistoryServicePayment>()) {
+			auto paid = std::optional<Payments::PaidInvoice>();
 			if (const auto message = payment->msg) {
 				if (const auto media = message->media()) {
 					if (const auto invoice = media->invoice()) {
-						using Payments::CheckoutProcess;
-						if (CheckoutProcess::TakePaymentStarted(message)) {
-							// Toast on a current active window.
-							Ui::ShowMultilineToast({
-								.text = tr::lng_payments_success(
-									tr::now,
-									lt_amount,
-									Ui::Text::Bold(payment->amount),
-									lt_title,
-									Ui::Text::Bold(invoice->title),
-									Ui::Text::WithEntities),
-							});
-						}
+						paid = Payments::CheckoutProcess::InvoicePaid(
+							message);
 					}
 				}
+			} else if (!payment->slug.isEmpty()) {
+				using Payments::CheckoutProcess;
+				paid = Payments::CheckoutProcess::InvoicePaid(
+					&session(),
+					payment->slug);
+			}
+			if (paid) {
+				// Toast on a current active window.
+				Ui::ShowMultilineToast({
+					.text = tr::lng_payments_success(
+						tr::now,
+						lt_amount,
+						Ui::Text::Bold(payment->amount),
+						lt_title,
+						Ui::Text::Bold(paid->title),
+						Ui::Text::WithEntities),
+				});
 			}
 		}
 	}, [&](const MTPDmessageActionSetChatTheme &data) {
diff --git a/Telegram/SourceFiles/history/history_service.cpp b/Telegram/SourceFiles/history/history_service.cpp
index 8ec617fdf..285bef45a 100644
--- a/Telegram/SourceFiles/history/history_service.cpp
+++ b/Telegram/SourceFiles/history/history_service.cpp
@@ -1372,7 +1372,7 @@ void HistoryService::createFromMtp(const MTPDmessageService &message) {
 				CheckoutProcess::Start(
 					item,
 					Mode::Receipt,
-					crl::guard(weak, [=] { weak->window().activate(); }));
+					crl::guard(weak, [=](auto) { weak->window().activate(); }));
 			}
 		});
 	} else if (type == mtpc_messageActionGroupCall
diff --git a/Telegram/SourceFiles/history/history_service.h b/Telegram/SourceFiles/history/history_service.h
index 09278b230..380d8696f 100644
--- a/Telegram/SourceFiles/history/history_service.h
+++ b/Telegram/SourceFiles/history/history_service.h
@@ -34,6 +34,7 @@ struct HistoryServiceGameScore
 struct HistoryServicePayment
 : public RuntimeComponent<HistoryServicePayment, HistoryItem>
 , public HistoryServiceDependentData {
+	QString slug;
 	QString amount;
 	ClickHandlerPtr invoiceLink;
 };
diff --git a/Telegram/SourceFiles/inline_bots/bot_attach_web_view.cpp b/Telegram/SourceFiles/inline_bots/bot_attach_web_view.cpp
index 3a42643e3..1db3f2b0e 100644
--- a/Telegram/SourceFiles/inline_bots/bot_attach_web_view.cpp
+++ b/Telegram/SourceFiles/inline_bots/bot_attach_web_view.cpp
@@ -33,6 +33,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/basic_click_handlers.h"
 #include "history/history.h"
 #include "history/history_item.h"
+#include "payments/payments_checkout_process.h"
 #include "storage/storage_account.h"
 #include "lang/lang_keys.h"
 #include "base/random.h"
@@ -711,6 +712,28 @@ void AttachWebView::show(
 		close();
 		return true;
 	};
+	const auto panel = std::make_shared<
+		base::weak_ptr<Ui::BotWebView::Panel>>(nullptr);
+	const auto handleInvoice = [=, session = _session](QString slug) {
+		using Result = Payments::CheckoutResult;
+		const auto reactivate = [=](Result result) {
+			if (const auto strong = panel->get()) {
+				strong->invoiceClosed(slug, [&] {
+					switch (result) {
+					case Result::Paid: return "paid";
+					case Result::Failed: return "failed";
+					case Result::Pending: return "pending";
+					case Result::Cancelled: return "cancelled";
+					}
+					Unexpected("Payments::CheckoutResult value.");
+				}());
+			}
+		};
+		if (const auto strong = panel->get()) {
+			strong->hideForPayment();
+		}
+		Payments::CheckoutProcess::Start(session, slug, reactivate);
+	};
 	auto title = Info::Profile::NameValue(
 		_bot
 	) | rpl::map([](const TextWithEntities &value) {
@@ -723,10 +746,12 @@ void AttachWebView::show(
 		.title = std::move(title),
 		.bottom = rpl::single('@' + _bot->username),
 		.handleLocalUri = handleLocalUri,
+		.handleInvoice = handleInvoice,
 		.sendData = sendData,
 		.close = close,
 		.themeParams = [] { return Window::Theme::WebViewParams(); },
 	});
+	*panel = _panel.get();
 	started(queryId);
 }
 
diff --git a/Telegram/SourceFiles/payments/payments_checkout_process.cpp b/Telegram/SourceFiles/payments/payments_checkout_process.cpp
index 6af773d59..307e96465 100644
--- a/Telegram/SourceFiles/payments/payments_checkout_process.cpp
+++ b/Telegram/SourceFiles/payments/payments_checkout_process.cpp
@@ -37,8 +37,8 @@ namespace {
 struct SessionProcesses {
 	base::flat_map<FullMsgId, std::unique_ptr<CheckoutProcess>> byItem;
 	base::flat_map<QString, std::unique_ptr<CheckoutProcess>> bySlug;
-	base::flat_set<FullMsgId> paymentStartedByItem;
-	base::flat_set<QString> paymentStartedBySlug;
+	base::flat_map<FullMsgId, PaidInvoice> paymentStartedByItem;
+	base::flat_map<QString, PaidInvoice> paymentStartedBySlug;
 	rpl::lifetime lifetime;
 };
 
@@ -64,7 +64,7 @@ base::flat_map<not_null<Main::Session*>, SessionProcesses> Processes;
 void CheckoutProcess::Start(
 		not_null<const HistoryItem*> item,
 		Mode mode,
-		Fn<void()> reactivate) {
+		Fn<void(CheckoutResult)> reactivate) {
 	auto &processes = LookupSessionProcesses(&item->history()->session());
 	const auto media = item->media();
 	const auto invoice = media ? media->invoice() : nullptr;
@@ -99,7 +99,7 @@ void CheckoutProcess::Start(
 void CheckoutProcess::Start(
 		not_null<Main::Session*> session,
 		const QString &slug,
-		Fn<void()> reactivate) {
+		Fn<void(CheckoutResult)> reactivate) {
 	auto &processes = LookupSessionProcesses(session);
 	const auto i = processes.bySlug.find(slug);
 	if (i != end(processes.bySlug)) {
@@ -117,24 +117,57 @@ void CheckoutProcess::Start(
 	j->second->requestActivate();
 }
 
-bool CheckoutProcess::TakePaymentStarted(
+std::optional<PaidInvoice> CheckoutProcess::InvoicePaid(
 		not_null<const HistoryItem*> item) {
 	const auto session = &item->history()->session();
 	const auto itemId = item->fullId();
 	const auto i = Processes.find(session);
-	if (i == end(Processes)
-		|| !i->second.paymentStartedByItem.contains(itemId)) {
-		return false;
+	if (i == end(Processes)) {
+		return std::nullopt;
 	}
-	i->second.paymentStartedByItem.erase(itemId);
+	const auto k = i->second.paymentStartedByItem.find(itemId);
+	if (k == end(i->second.paymentStartedByItem)) {
+		return std::nullopt;
+	}
+	const auto result = k->second;
+	i->second.paymentStartedByItem.erase(k);
+
 	const auto j = i->second.byItem.find(itemId);
 	if (j != end(i->second.byItem)) {
-		j->second->closeAndReactivate();
+		j->second->closeAndReactivate(CheckoutResult::Paid);
 	} else if (i->second.paymentStartedByItem.empty()
-		&& i->second.byItem.empty()) {
+		&& i->second.byItem.empty()
+		&& i->second.paymentStartedBySlug.empty()
+		&& i->second.bySlug.empty()) {
 		Processes.erase(i);
 	}
-	return true;
+	return result;
+}
+
+std::optional<PaidInvoice> CheckoutProcess::InvoicePaid(
+		not_null<Main::Session*> session,
+		const QString &slug) {
+	const auto i = Processes.find(session);
+	if (i == end(Processes)) {
+		return std::nullopt;
+	}
+	const auto k = i->second.paymentStartedBySlug.find(slug);
+	if (k == end(i->second.paymentStartedBySlug)) {
+		return std::nullopt;
+	}
+	const auto result = k->second;
+	i->second.paymentStartedBySlug.erase(k);
+
+	const auto j = i->second.bySlug.find(slug);
+	if (j != end(i->second.bySlug)) {
+		j->second->closeAndReactivate(CheckoutResult::Paid);
+	} else if (i->second.paymentStartedByItem.empty()
+		&& i->second.byItem.empty()
+		&& i->second.paymentStartedBySlug.empty()
+		&& i->second.bySlug.empty()) {
+		Processes.erase(i);
+	}
+	return result;
 }
 
 void CheckoutProcess::ClearAll() {
@@ -142,18 +175,19 @@ void CheckoutProcess::ClearAll() {
 }
 
 void CheckoutProcess::RegisterPaymentStart(
-		not_null<CheckoutProcess*> process) {
+		not_null<CheckoutProcess*> process,
+		PaidInvoice info) {
 	const auto i = Processes.find(process->_session);
 	Assert(i != end(Processes));
 	for (const auto &[itemId, itemProcess] : i->second.byItem) {
 		if (itemProcess.get() == process) {
-			i->second.paymentStartedByItem.emplace(itemId);
+			i->second.paymentStartedByItem.emplace(itemId, info);
 			return;
 		}
 	}
 	for (const auto &[slug, itemProcess] : i->second.bySlug) {
 		if (itemProcess.get() == process) {
-			i->second.paymentStartedBySlug.emplace(slug);
+			i->second.paymentStartedBySlug.emplace(slug, info);
 			return;
 		}
 	}
@@ -162,26 +196,33 @@ void CheckoutProcess::RegisterPaymentStart(
 void CheckoutProcess::UnregisterPaymentStart(
 		not_null<CheckoutProcess*> process) {
 	const auto i = Processes.find(process->_session);
-	if (i != end(Processes)) {
-		for (const auto &[itemId, itemProcess] : i->second.byItem) {
-			if (itemProcess.get() == process) {
-				i->second.paymentStartedByItem.emplace(itemId);
-				return;
-			}
+	if (i == end(Processes)) {
+		return;
+	}
+	for (const auto &[itemId, itemProcess] : i->second.byItem) {
+		if (itemProcess.get() == process) {
+			i->second.paymentStartedByItem.remove(itemId);
+			break;
 		}
-		for (const auto &[slug, itemProcess] : i->second.bySlug) {
-			if (itemProcess.get() == process) {
-				i->second.paymentStartedBySlug.emplace(slug);
-				return;
-			}
+	}
+	for (const auto &[slug, itemProcess] : i->second.bySlug) {
+		if (itemProcess.get() == process) {
+			i->second.paymentStartedBySlug.remove(slug);
+			break;
 		}
 	}
+	if (i->second.paymentStartedByItem.empty()
+		&& i->second.byItem.empty()
+		&& i->second.paymentStartedBySlug.empty()
+		&& i->second.bySlug.empty()) {
+		Processes.erase(i);
+	}
 }
 
 CheckoutProcess::CheckoutProcess(
 	InvoiceId id,
 	Mode mode,
-	Fn<void()> reactivate,
+	Fn<void(CheckoutResult)> reactivate,
 	PrivateTag)
 : _session(SessionFromId(id))
 , _form(std::make_unique<Form>(id, (mode == Mode::Receipt)))
@@ -221,7 +262,8 @@ CheckoutProcess::CheckoutProcess(
 CheckoutProcess::~CheckoutProcess() {
 }
 
-void CheckoutProcess::setReactivateCallback(Fn<void()> reactivate) {
+void CheckoutProcess::setReactivateCallback(
+		Fn<void(CheckoutResult)> reactivate) {
 	_reactivate = std::move(reactivate);
 }
 
@@ -276,6 +318,8 @@ void CheckoutProcess::handleFormUpdate(const FormUpdate &update) {
 		auto bottomText = tr::lng_payments_processed_by(
 			lt_provider,
 			rpl::single(_form->invoice().provider));
+		_sendFormFailed = false;
+		_sendFormPending = true;
 		if (!_panel->showWebview(data.url, false, std::move(bottomText))) {
 			File::OpenUrl(data.url);
 			close();
@@ -284,7 +328,7 @@ void CheckoutProcess::handleFormUpdate(const FormUpdate &update) {
 		const auto weak = base::make_weak(this);
 		_session->api().applyUpdates(data.updates);
 		if (weak) {
-			closeAndReactivate();
+			closeAndReactivate(CheckoutResult::Paid);
 		}
 	}, [&](const Error &error) {
 		handleError(error);
@@ -386,6 +430,7 @@ void CheckoutProcess::handleError(const Error &error) {
 		}
 		break;
 	case Error::Type::Send:
+		_sendFormFailed = true;
 		if (const auto box = _enterPasswordBox.data()) {
 			box->closeBox();
 		}
@@ -424,14 +469,18 @@ void CheckoutProcess::panelRequestClose() {
 }
 
 void CheckoutProcess::panelCloseSure() {
-	closeAndReactivate();
+	closeAndReactivate(_sendFormFailed
+		? CheckoutResult::Failed
+		: _sendFormPending
+		? CheckoutResult::Pending
+		: CheckoutResult::Cancelled);
 }
 
-void CheckoutProcess::closeAndReactivate() {
+void CheckoutProcess::closeAndReactivate(CheckoutResult result) {
 	const auto reactivate = std::move(_reactivate);
 	close();
 	if (reactivate) {
-		reactivate();
+		reactivate(result);
 	}
 }
 
@@ -463,7 +512,7 @@ void CheckoutProcess::close() {
 
 void CheckoutProcess::panelSubmit() {
 	if (_form->invoice().receipt.paid) {
-		closeAndReactivate();
+		closeAndReactivate(CheckoutResult::Paid);
 		return;
 	} else if (_submitState == SubmitState::Validating
 		|| _submitState == SubmitState::Finishing) {
@@ -485,7 +534,7 @@ void CheckoutProcess::panelSubmit() {
 	} else if (!method.newCredentials && !method.savedCredentials) {
 		editPaymentMethod();
 	} else {
-		RegisterPaymentStart(this);
+		RegisterPaymentStart(this, { _form->invoice().cover.title });
 		_submitState = SubmitState::Finishing;
 		_form->submit();
 	}
@@ -550,7 +599,8 @@ bool CheckoutProcess::panelWebviewNavigationAttempt(const QString &uri) {
 	if (Core::TryConvertUrlToLocal(uri) == uri) {
 		return true;
 	}
-	crl::on_main(this, [=] { closeAndReactivate(); });
+	// #TODO payments
+	crl::on_main(this, [=] { closeAndReactivate(CheckoutResult::Paid); });
 	return false;
 }
 
diff --git a/Telegram/SourceFiles/payments/payments_checkout_process.h b/Telegram/SourceFiles/payments/payments_checkout_process.h
index 6abe173d6..74fdc667c 100644
--- a/Telegram/SourceFiles/payments/payments_checkout_process.h
+++ b/Telegram/SourceFiles/payments/payments_checkout_process.h
@@ -43,6 +43,17 @@ enum class Mode {
 	Receipt,
 };
 
+enum class CheckoutResult {
+	Paid,
+	Pending,
+	Cancelled,
+	Failed,
+};
+
+struct PaidInvoice {
+	QString title;
+};
+
 class CheckoutProcess final
 	: public base::has_weak_ptr
 	, private Ui::PanelDelegate {
@@ -52,19 +63,22 @@ public:
 	static void Start(
 		not_null<const HistoryItem*> item,
 		Mode mode,
-		Fn<void()> reactivate);
+		Fn<void(CheckoutResult)> reactivate);
 	static void Start(
 		not_null<Main::Session*> session,
 		const QString &slug,
-		Fn<void()> reactivate);
-	[[nodiscard]] static bool TakePaymentStarted(
+		Fn<void(CheckoutResult)> reactivate);
+	[[nodiscard]] static std::optional<PaidInvoice> InvoicePaid(
 		not_null<const HistoryItem*> item);
+	[[nodiscard]] static std::optional<PaidInvoice> InvoicePaid(
+		not_null<Main::Session*> session,
+		const QString &slug);
 	static void ClearAll();
 
 	CheckoutProcess(
 		InvoiceId id,
 		Mode mode,
-		Fn<void()> reactivate,
+		Fn<void(CheckoutResult)> reactivate,
 		PrivateTag);
 	~CheckoutProcess();
 
@@ -77,12 +91,14 @@ private:
 	};
 	[[nodiscard]] not_null<PanelDelegate*> panelDelegate();
 
-	static void RegisterPaymentStart(not_null<CheckoutProcess*> process);
+	static void RegisterPaymentStart(
+		not_null<CheckoutProcess*> process,
+		PaidInvoice info);
 	static void UnregisterPaymentStart(not_null<CheckoutProcess*> process);
 
-	void setReactivateCallback(Fn<void()> reactivate);
+	void setReactivateCallback(Fn<void(CheckoutResult)> reactivate);
 	void requestActivate();
-	void closeAndReactivate();
+	void closeAndReactivate(CheckoutResult result);
 	void close();
 
 	void handleFormUpdate(const FormUpdate &update);
@@ -137,9 +153,11 @@ private:
 	const std::unique_ptr<Form> _form;
 	const std::unique_ptr<Ui::Panel> _panel;
 	QPointer<PasscodeBox> _enterPasswordBox;
-	Fn<void()> _reactivate;
+	Fn<void(CheckoutResult)> _reactivate;
 	SubmitState _submitState = SubmitState::None;
 	bool _initialSilentValidation = false;
+	bool _sendFormPending = false;
+	bool _sendFormFailed = false;
 
 	bool _themeUpdateScheduled = false;
 	rpl::lifetime _gettingPasswordState;
diff --git a/Telegram/SourceFiles/storage/download_manager_mtproto.cpp b/Telegram/SourceFiles/storage/download_manager_mtproto.cpp
index ce6f3c9f2..cc154b0b6 100644
--- a/Telegram/SourceFiles/storage/download_manager_mtproto.cpp
+++ b/Telegram/SourceFiles/storage/download_manager_mtproto.cpp
@@ -673,7 +673,7 @@ void DownloadMtprotoTask::cdnPartLoaded(const MTPupload_CdnFile &result, mtpRequ
 		auto ivec = bytes::make_span(state.ivec);
 		std::copy(iv.begin(), iv.end(), ivec.begin());
 
-		auto counterOffset = static_cast<uint32>(requestData.offset) >> 4;
+		auto counterOffset = static_cast<uint32>(requestData.offset >> 4);
 		state.ivec[15] = static_cast<uchar>(counterOffset & 0xFF);
 		state.ivec[14] = static_cast<uchar>((counterOffset >> 8) & 0xFF);
 		state.ivec[13] = static_cast<uchar>((counterOffset >> 16) & 0xFF);
diff --git a/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.cpp b/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.cpp
index 1f9efff7b..70ebbd95f 100644
--- a/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.cpp
+++ b/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.cpp
@@ -305,11 +305,13 @@ Panel::Panel(
 	const QString &userDataPath,
 	rpl::producer<QString> title,
 	Fn<bool(QString)> handleLocalUri,
+	Fn<void(QString)> handleInvoice,
 	Fn<void(QByteArray)> sendData,
 	Fn<void()> close,
 	Fn<Webview::ThemeParams()> themeParams)
 : _userDataPath(userDataPath)
 , _handleLocalUri(std::move(handleLocalUri))
+, _handleInvoice(std::move(handleInvoice))
 , _sendData(std::move(sendData))
 , _close(std::move(close))
 , _widget(std::make_unique<SeparatePanel>()) {
@@ -320,7 +322,9 @@ Panel::Panel(
 	) | rpl::start_with_next(_close, _widget->lifetime());
 
 	_widget->closeEvents(
-	) | rpl::start_with_next(_close, _widget->lifetime());
+	) | rpl::filter([=] {
+		return !_hiddenForPayment;
+	}) | rpl::start_with_next(_close, _widget->lifetime());
 
 	rpl::combine(
 		style::PaletteChanged(),
@@ -568,6 +572,10 @@ bool Panel::createWebview() {
 			processMainButtonMessage(list.at(1));
 		} else if (command == "web_app_request_theme") {
 			_themeUpdateForced.fire({});
+		} else if (command == "web_app_open_tg_link") {
+			openTgLink(list.at(1).toString());
+		} else if (command == "web_app_open_invoice") {
+			openInvoice(list.at(1).toString());
 		}
 	});
 
@@ -618,6 +626,38 @@ void Panel::sendDataMessage(const QJsonValue &value) {
 	_sendData(data.toUtf8());
 }
 
+void Panel::openTgLink(const QJsonValue &value) {
+	const auto json = value.toString();
+	const auto args = ParseMethodArgs(json);
+	if (args.isEmpty()) {
+		_close();
+		return;
+	}
+	const auto path = args["path_full"].toString();
+	if (path.isEmpty()) {
+		LOG(("BotWebView Error: Bad tg link \"%1\".").arg(json));
+		_close();
+		return;
+	}
+	_handleLocalUri("https://t.me" + path);
+}
+
+void Panel::openInvoice(const QJsonValue &value) {
+	const auto json = value.toString();
+	const auto args = ParseMethodArgs(json);
+	if (args.isEmpty()) {
+		_close();
+		return;
+	}
+	const auto slug = args["slug"].toString();
+	if (slug.isEmpty()) {
+		LOG(("BotWebView Error: Bad invoice \"%1\".").arg(json));
+		_close();
+		return;
+	}
+	_handleInvoice(slug);
+}
+
 void Panel::processMainButtonMessage(const QJsonValue &value) {
 	const auto json = value.toString();
 	const auto args = ParseMethodArgs(json);
@@ -760,6 +800,22 @@ void Panel::updateThemeParams(const Webview::ThemeParams &params) {
 	postEvent("theme_changed", "\"theme_params\": " + params.json);
 }
 
+void Panel::invoiceClosed(const QString &slug, const QString &status) {
+	if (!_webview || !_webview->window.widget()) {
+		return;
+	}
+	postEvent(
+		"invoice_closed",
+		"\"slug\": \"" + slug + "\", \"status\": \"" + status + "\"");
+	_widget->showAndActivate();
+	_hiddenForPayment = false;
+}
+
+void Panel::hideForPayment() {
+	_hiddenForPayment = true;
+	_widget->hideGetDuration();
+}
+
 void Panel::postEvent(const QString &event, const QString &data) {
 	_webview->window.eval(R"(
 if (window.TelegramGameProxy) {
@@ -820,6 +876,7 @@ std::unique_ptr<Panel> Show(Args &&args) {
 		args.userDataPath,
 		std::move(args.title),
 		std::move(args.handleLocalUri),
+		std::move(args.handleInvoice),
 		std::move(args.sendData),
 		std::move(args.close),
 		std::move(args.themeParams));
diff --git a/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.h b/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.h
index 85bd54813..78a14d123 100644
--- a/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.h
+++ b/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.h
@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "base/object_ptr.h"
+#include "base/weak_ptr.h"
 
 namespace Ui {
 class BoxContent;
@@ -29,12 +30,13 @@ struct MainButtonArgs {
 	QString text;
 };
 
-class Panel final {
+class Panel final : public base::has_weak_ptr {
 public:
 	Panel(
 		const QString &userDataPath,
 		rpl::producer<QString> title,
 		Fn<bool(QString)> handleLocalUri,
+		Fn<void(QString)> handleInvoice,
 		Fn<void(QByteArray)> sendData,
 		Fn<void()> close,
 		Fn<Webview::ThemeParams()> themeParams);
@@ -57,6 +59,9 @@ public:
 
 	void updateThemeParams(const Webview::ThemeParams &params);
 
+	void hideForPayment();
+	void invoiceClosed(const QString &slug, const QString &status);
+
 	[[nodiscard]] rpl::lifetime &lifetime();
 
 private:
@@ -70,6 +75,8 @@ private:
 	void setTitle(rpl::producer<QString> title);
 	void sendDataMessage(const QJsonValue &value);
 	void processMainButtonMessage(const QJsonValue &value);
+	void openTgLink(const QJsonValue &value);
+	void openInvoice(const QJsonValue &value);
 	void createMainButton();
 
 	void postEvent(const QString &event, const QString &data = {});
@@ -80,6 +87,7 @@ private:
 
 	QString _userDataPath;
 	Fn<bool(QString)> _handleLocalUri;
+	Fn<void(QString)> _handleInvoice;
 	Fn<void(QByteArray)> _sendData;
 	Fn<void()> _close;
 	std::unique_ptr<SeparatePanel> _widget;
@@ -93,6 +101,7 @@ private:
 	rpl::lifetime _bgLifetime;
 	bool _webviewProgress = false;
 	bool _themeUpdateScheduled = false;
+	bool _hiddenForPayment = false;
 
 };
 
@@ -102,6 +111,7 @@ struct Args {
 	rpl::producer<QString> title;
 	rpl::producer<QString> bottom;
 	Fn<bool(QString)> handleLocalUri;
+	Fn<void(QString)> handleInvoice;
 	Fn<void(QByteArray)> sendData;
 	Fn<void()> close;
 	Fn<Webview::ThemeParams()> themeParams;