diff --git a/tl/generate/scheme/tonlib_api.tl b/tl/generate/scheme/tonlib_api.tl
index 7ba6b6a9..c1c3966f 100644
--- a/tl/generate/scheme/tonlib_api.tl
+++ b/tl/generate/scheme/tonlib_api.tl
@@ -55,6 +55,8 @@ raw.message source:accountAddress destination:accountAddress value:int64 fwd_fee
 raw.transaction utime:int53 data:bytes transaction_id:internal.transactionId fee:int64 storage_fee:int64 other_fee:int64 in_msg:raw.message out_msgs:vector<raw.message> = raw.Transaction;
 raw.transactions transactions:vector<raw.transaction> previous_transaction_id:internal.transactionId = raw.Transactions;
 
+raw.extMessageInfo body_hash:bytes = raw.ExtMessageInfo;
+
 pchan.config alice_public_key:string alice_address:accountAddress bob_public_key:string bob_address:accountAddress init_timeout:int32 close_timeout:int32 channel_id:int64 = pchan.Config;
 
 raw.initialAccountState code:bytes data:bytes = InitialAccountState;
@@ -246,7 +248,7 @@ getBip39Hints prefix:string = Bip39Hints;
 //raw.init initial_account_state:raw.initialAccountState = Ok;
 raw.getAccountState account_address:accountAddress = raw.FullAccountState;
 raw.getTransactions private_key:InputKey account_address:accountAddress from_transaction_id:internal.transactionId = raw.Transactions;
-raw.sendMessage body:bytes  = Ok;
+raw.sendMessage body:bytes = raw.ExtMessageInfo;
 raw.createAndSendMessage destination:accountAddress initial_account_state:bytes data:bytes = Ok;
 raw.createQuery destination:accountAddress init_code:bytes init_data:bytes body:bytes = query.Info;
 
diff --git a/tl/generate/scheme/tonlib_api.tlo b/tl/generate/scheme/tonlib_api.tlo
index d99b35f3..0bf3f39e 100644
Binary files a/tl/generate/scheme/tonlib_api.tlo and b/tl/generate/scheme/tonlib_api.tlo differ
diff --git a/tonlib/tonlib/TonlibClient.cpp b/tonlib/tonlib/TonlibClient.cpp
index 6a31720c..6e55108d 100644
--- a/tonlib/tonlib/TonlibClient.cpp
+++ b/tonlib/tonlib/TonlibClient.cpp
@@ -2366,12 +2366,16 @@ auto to_any_promise(td::Promise<td::Unit>&& promise) {
 }
 
 td::Status TonlibClient::do_request(const tonlib_api::raw_sendMessage& request,
-                                    td::Promise<object_ptr<tonlib_api::ok>>&& promise) {
+                                    td::Promise<object_ptr<tonlib_api::raw_extMessageInfo>>&& promise) {
   TRY_RESULT_PREFIX(body, vm::std_boc_deserialize(request.body_), TonlibError::InvalidBagOfCells("body"));
   std::ostringstream os;
   block::gen::t_Message_Any.print_ref(os, body);
   LOG(ERROR) << os.str();
-  make_request(int_api::SendMessage{std::move(body)}, to_any_promise(std::move(promise)));
+  auto body_hash = body->get_hash().as_slice().str();
+  make_request(int_api::SendMessage{std::move(body)}, 
+    promise.wrap([body_hash = std::move(body_hash)](auto res) {
+      return tonlib_api::make_object<tonlib_api::raw_extMessageInfo>(std::move(body_hash));
+    }));
   return td::Status::OK();
 }
 
diff --git a/tonlib/tonlib/TonlibClient.h b/tonlib/tonlib/TonlibClient.h
index 1d2bb38a..09c102cd 100644
--- a/tonlib/tonlib/TonlibClient.h
+++ b/tonlib/tonlib/TonlibClient.h
@@ -224,7 +224,7 @@ class TonlibClient : public td::actor::Actor {
   td::Status do_request(tonlib_api::options_setConfig& request,
                         td::Promise<object_ptr<tonlib_api::options_configInfo>>&& promise);
 
-  td::Status do_request(const tonlib_api::raw_sendMessage& request, td::Promise<object_ptr<tonlib_api::ok>>&& promise);
+  td::Status do_request(const tonlib_api::raw_sendMessage& request, td::Promise<object_ptr<tonlib_api::raw_extMessageInfo>>&& promise);
   td::Status do_request(const tonlib_api::raw_createAndSendMessage& request,
                         td::Promise<object_ptr<tonlib_api::ok>>&& promise);
   td::Status do_request(const tonlib_api::raw_createQuery& request,