diff --git a/crates/iroha_torii/src/lib.rs b/crates/iroha_torii/src/lib.rs
index d4ceb686c0..151eee66b3 100644
--- a/crates/iroha_torii/src/lib.rs
+++ b/crates/iroha_torii/src/lib.rs
@@ -327,10 +327,14 @@ impl Error {
 
         match self {
             Query(e) => Self::query_status_code(e),
-            AcceptTransaction(_) => StatusCode::BAD_REQUEST,
+            AcceptTransaction(err) => match err {
+                iroha_core::tx::AcceptTransactionFail::SignatureVerification(_) => StatusCode::UNAUTHORIZED,
+                iroha_core::tx::AcceptTransactionFail::UnexpectedGenesisAccountSignature => StatusCode::FORBIDDEN,
+                _ => StatusCode::BAD_REQUEST,
+            },
             Config(_) | StatusSegmentNotFound(_) => StatusCode::NOT_FOUND,
             PushIntoQueue(err) => match **err {
-                queue::Error::Full => StatusCode::INTERNAL_SERVER_ERROR,
+                queue::Error::Full => StatusCode::SERVICE_UNAVAILABLE,
                 _ => StatusCode::BAD_REQUEST,
             },
             #[cfg(feature = "telemetry")]
diff --git a/crates/iroha_torii/src/routing.rs b/crates/iroha_torii/src/routing.rs
index b50d3fee97..717b6eeb4c 100644
--- a/crates/iroha_torii/src/routing.rs
+++ b/crates/iroha_torii/src/routing.rs
@@ -24,7 +24,7 @@ pub async fn handle_transaction(
     queue: Arc<Queue>,
     state: Arc<State>,
     tx: SignedTransaction,
-) -> Result<()> {
+) -> Result<impl IntoResponse> {
     let (max_clock_drift, tx_limits) = {
         let state_view = state.world.view();
         let params = state_view.parameters();
@@ -44,7 +44,9 @@ pub async fn handle_transaction(
 
             Box::new(err)
         })
-        .map_err(Error::PushIntoQueue)
+        .map_err(Error::PushIntoQueue)?;
+
+    Ok((StatusCode::ACCEPTED, ()))
 }
 
 #[iroha_futures::telemetry_future]