diff --git a/src/commit_request.cpp b/src/commit_request.cpp
index 6f14881..258796a 100644
--- a/src/commit_request.cpp
+++ b/src/commit_request.cpp
@@ -2,6 +2,7 @@
 #include <charconv>
 #include <cstring>
 #include <simdutf.h>
+#include <string_view>
 
 // Global callbacks for JSON parsing
 const WeaselJsonCallbacks CommitRequest::json_callbacks = {
@@ -195,11 +196,14 @@ void CommitRequest::on_string_data(void *userdata, const char *buf, int len,
   if (ctx.parse_error)
     return;
 
-  ctx.current_string.append(buf, len);
-
-  if (done) {
-    self->handle_completed_string();
-    ctx.current_string.clear();
+  if (ctx.current_string.size() == 0 && done) {
+    self->handle_completed_string(std::string_view(buf, len));
+  } else {
+    ctx.current_string.append(buf, len);
+    if (done) {
+      self->handle_completed_string(ctx.current_string);
+      ctx.current_string.clear();
+    }
   }
 }
 
@@ -211,12 +215,7 @@ void CommitRequest::on_key_data(void *userdata, const char *buf, int len,
   if (ctx.parse_error)
     return;
 
-  if (!done) {
-    ctx.current_key.append(buf, len);
-  } else {
-    ctx.current_key.append(buf, len);
-    self->handle_completed_key();
-  }
+  ctx.current_key.append(buf, len);
 }
 
 void CommitRequest::on_begin_array(void *userdata) {
@@ -260,11 +259,14 @@ void CommitRequest::on_number_data(void *userdata, const char *buf, int len,
   if (ctx.parse_error)
     return;
 
-  ctx.current_number.append(buf, len);
-
-  if (done) {
-    self->handle_completed_number();
-    ctx.current_number.clear();
+  if (ctx.current_number.size() == 0 && done) {
+    self->handle_completed_number(std::string_view(buf, len));
+  } else {
+    ctx.current_number.append(buf, len);
+    if (done) {
+      self->handle_completed_number(ctx.current_number);
+      ctx.current_number.clear();
+    }
   }
 }
 
@@ -280,7 +282,7 @@ void CommitRequest::on_null_literal(void *) {
   // Not used in this API
 }
 
-void CommitRequest::handle_completed_string() {
+void CommitRequest::handle_completed_string(std::string_view s) {
   auto &ctx = parser_context_;
 
   if (ctx.state_stack.empty()) {
@@ -294,10 +296,10 @@ void CommitRequest::handle_completed_string() {
   case ParseState::Root:
     if (ctx.current_key == "request_id") {
       ctx.current_key.clear();
-      request_id_ = store_string(ctx.current_string);
+      request_id_ = store_string(s);
     } else if (ctx.current_key == "leader_id") {
       ctx.current_key.clear();
-      leader_id_ = store_string(ctx.current_string);
+      leader_id_ = store_string(s);
     } else if (ctx.current_key == "read_version") {
       ctx.current_key.clear();
       // read_version should be a number, not a string
@@ -307,9 +309,9 @@ void CommitRequest::handle_completed_string() {
   case ParseState::PreconditionObject:
     if (ctx.current_key == "type") {
       ctx.current_key.clear();
-      if (ctx.current_string == "point_read") {
+      if (s == "point_read") {
         ctx.current_precondition.type = Precondition::Type::PointRead;
-      } else if (ctx.current_string == "range_read") {
+      } else if (s == "range_read") {
         ctx.current_precondition.type = Precondition::Type::RangeRead;
       } else {
         ctx.parse_error =
@@ -317,23 +319,23 @@ void CommitRequest::handle_completed_string() {
       }
     } else if (ctx.current_key == "key") {
       ctx.current_key.clear();
-      ctx.current_precondition.key = decode_base64(ctx.current_string);
+      ctx.current_precondition.key = decode_base64(s);
     } else if (ctx.current_key == "begin") {
       ctx.current_key.clear();
-      ctx.current_precondition.begin = decode_base64(ctx.current_string);
+      ctx.current_precondition.begin = decode_base64(s);
     } else if (ctx.current_key == "end") {
       ctx.current_key.clear();
-      ctx.current_precondition.end = decode_base64(ctx.current_string);
+      ctx.current_precondition.end = decode_base64(s);
     }
     break;
   case ParseState::OperationObject:
     if (ctx.current_key == "type") {
       ctx.current_key.clear();
-      if (ctx.current_string == "write") {
+      if (s == "write") {
         ctx.current_operation.type = Operation::Type::Write;
-      } else if (ctx.current_string == "delete") {
+      } else if (s == "delete") {
         ctx.current_operation.type = Operation::Type::Delete;
-      } else if (ctx.current_string == "range_delete") {
+      } else if (s == "range_delete") {
         ctx.current_operation.type = Operation::Type::RangeDelete;
       } else {
         ctx.parse_error = "Invalid operation type - must be 'write', 'delete', "
@@ -341,16 +343,16 @@ void CommitRequest::handle_completed_string() {
       }
     } else if (ctx.current_key == "key") {
       ctx.current_key.clear();
-      ctx.current_operation.key = decode_base64(ctx.current_string);
+      ctx.current_operation.key = decode_base64(s);
     } else if (ctx.current_key == "value") {
       ctx.current_key.clear();
-      ctx.current_operation.value = decode_base64(ctx.current_string);
+      ctx.current_operation.value = decode_base64(s);
     } else if (ctx.current_key == "begin") {
       ctx.current_key.clear();
-      ctx.current_operation.begin = decode_base64(ctx.current_string);
+      ctx.current_operation.begin = decode_base64(s);
     } else if (ctx.current_key == "end") {
       ctx.current_key.clear();
-      ctx.current_operation.end = decode_base64(ctx.current_string);
+      ctx.current_operation.end = decode_base64(s);
     }
     break;
   default:
@@ -358,7 +360,7 @@ void CommitRequest::handle_completed_string() {
   }
 }
 
-void CommitRequest::handle_completed_number() {
+void CommitRequest::handle_completed_number(std::string_view s) {
   auto &ctx = parser_context_;
 
   if (ctx.state_stack.empty()) {
@@ -373,9 +375,7 @@ void CommitRequest::handle_completed_number() {
     if (ctx.current_key == "read_version") {
       ctx.current_key.clear();
       uint64_t version;
-      auto result = std::from_chars(
-          ctx.current_number.data(),
-          ctx.current_number.data() + ctx.current_number.size(), version);
+      auto result = std::from_chars(s.data(), s.data() + s.size(), version);
       if (result.ec == std::errc{}) {
         read_version_ = version;
         has_read_version_been_set_ = true;
@@ -388,9 +388,7 @@ void CommitRequest::handle_completed_number() {
     if (ctx.current_key == "version") {
       ctx.current_key.clear();
       uint64_t version;
-      auto result = std::from_chars(
-          ctx.current_number.data(),
-          ctx.current_number.data() + ctx.current_number.size(), version);
+      auto result = std::from_chars(s.data(), s.data() + s.size(), version);
       if (result.ec == std::errc{}) {
         ctx.current_precondition.version = version;
       } else {
@@ -404,11 +402,6 @@ void CommitRequest::handle_completed_number() {
   }
 }
 
-void CommitRequest::handle_completed_key() {
-  // Key is now available in current_key for the next value
-  // No immediate action needed as we'll use it when processing values
-}
-
 bool CommitRequest::parse_json(char *data, size_t len) {
   if (!begin_streaming_parse()) {
     return false;
diff --git a/src/commit_request.hpp b/src/commit_request.hpp
index 49db846..194a795 100644
--- a/src/commit_request.hpp
+++ b/src/commit_request.hpp
@@ -349,7 +349,6 @@ private:
    */
   std::string_view decode_base64(std::string_view base64_str);
 
-  void handle_completed_string();
-  void handle_completed_number();
-  void handle_completed_key();
+  void handle_completed_string(std::string_view s);
+  void handle_completed_number(std::string_view s);
 };