diff --git a/src/contract/index.js b/src/contract/index.js
index 8882e4f7..49c82bcd 100644
--- a/src/contract/index.js
+++ b/src/contract/index.js
@@ -255,9 +255,12 @@ class Contract {
             getQuery: async () => {
                 return (await queryPromise).message;
             },
-            send: async () => {
+            send: async (returnHash = false) => {
                 const query = await queryPromise;
                 const boc = bytesToBase64(await query.message.toBoc(false));
+                if (returnHash) {
+                    return provider.sendBocReturnHash(boc);
+                }
                 return provider.sendBoc(boc);
             },
             estimateFee: async () => {
diff --git a/src/providers/index.js b/src/providers/index.js
index d8a6c27a..0a10c75e 100644
--- a/src/providers/index.js
+++ b/src/providers/index.js
@@ -106,6 +106,15 @@ class HttpProvider {
         return this.send("sendBoc", {'boc': base64});
     };
 
+    /**
+     * Use this method to send serialized boc file: fully packed and serialized external message.
+     * @param base64 {string} base64 of boc bytes Cell.toBoc
+     * @return Object containing result, error, code
+     */
+    async sendBocReturnHash(base64) {
+        return this.send("sendBocReturnHash", {'boc': base64});
+    };
+
     /**
      * @deprecated
      * Send external message