diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index 575f696142..2aa5956f24 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -1035,7 +1035,7 @@ void APIConnection::try_send_camera_image_() {
     msg.device_id = camera::Camera::instance()->get_device_id();
 #endif
 
-    if (!this->send_message_impl_(msg, CameraImageResponse::MESSAGE_TYPE)) {
+    if (!this->send_message_impl(msg, CameraImageResponse::MESSAGE_TYPE)) {
       return;  // Send failed, try again later
     }
     this->image_reader_->consume_data(to_send);
@@ -1443,7 +1443,7 @@ bool APIConnection::try_send_log_message(int level, const char *tag, const char
   SubscribeLogsResponse msg;
   msg.level = static_cast<enums::LogLevel>(level);
   msg.set_message(reinterpret_cast<const uint8_t *>(line), message_len);
-  return this->send_message_impl_(msg, SubscribeLogsResponse::MESSAGE_TYPE);
+  return this->send_message_impl(msg, SubscribeLogsResponse::MESSAGE_TYPE);
 }
 
 void APIConnection::complete_authentication_() {
@@ -1768,7 +1768,7 @@ bool APIConnection::try_to_clear_buffer(bool log_out_of_space) {
   }
   return false;
 }
-bool APIConnection::send_message_impl_(const ProtoMessage &msg, uint8_t message_type) {
+bool APIConnection::send_message_impl(const ProtoMessage &msg, uint8_t message_type) {
   ProtoSize size;
   msg.calculate_size(size);
   std::vector<uint8_t> &shared_buf = this->parent_->get_shared_buffer_ref();
diff --git a/esphome/components/api/api_connection.h b/esphome/components/api/api_connection.h
index 5e92d48180..40e4fd61c1 100644
--- a/esphome/components/api/api_connection.h
+++ b/esphome/components/api/api_connection.h
@@ -255,7 +255,7 @@ class APIConnection final : public APIServerConnection {
 
   void on_fatal_error() override;
   void on_no_setup_connection() override;
-  bool send_message_impl_(const ProtoMessage &msg, uint8_t message_type) override;
+  bool send_message_impl(const ProtoMessage &msg, uint8_t message_type) override;
 
   void prepare_first_message_buffer(std::vector<uint8_t> &shared_buf, size_t header_padding, size_t total_size) {
     shared_buf.clear();
diff --git a/esphome/components/api/api_pb2_service.h b/esphome/components/api/api_pb2_service.h
index fc837dbcae..e2bc1609ed 100644
--- a/esphome/components/api/api_pb2_service.h
+++ b/esphome/components/api/api_pb2_service.h
@@ -23,7 +23,7 @@ class APIServerConnectionBase : public ProtoService {
     DumpBuffer dump_buf;
     this->log_send_message_(msg.message_name(), msg.dump_to(dump_buf));
 #endif
-    return this->send_message_impl_(msg, message_type);
+    return this->send_message_impl(msg, message_type);
   }
 
   virtual void on_hello_request(const HelloRequest &value){};
diff --git a/esphome/components/api/proto.h b/esphome/components/api/proto.h
index d2f79c263f..92978f765f 100644
--- a/esphome/components/api/proto.h
+++ b/esphome/components/api/proto.h
@@ -966,7 +966,7 @@ class ProtoService {
    * @param message_type The message type identifier.
    * @return True if the message was sent successfully, false otherwise.
    */
-  virtual bool send_message_impl_(const ProtoMessage &msg, uint8_t message_type) = 0;
+  virtual bool send_message_impl(const ProtoMessage &msg, uint8_t message_type) = 0;
 
   // Authentication helper methods
   inline bool check_connection_setup_() {
diff --git a/script/api_protobuf/api_protobuf.py b/script/api_protobuf/api_protobuf.py
index a4a6d6c175..4021a062ca 100755
--- a/script/api_protobuf/api_protobuf.py
+++ b/script/api_protobuf/api_protobuf.py
@@ -2848,7 +2848,7 @@ static const char *const TAG = "api.service";
     hpp += "    DumpBuffer dump_buf;\n"
     hpp += "    this->log_send_message_(msg.message_name(), msg.dump_to(dump_buf));\n"
     hpp += "#endif\n"
-    hpp += "    return this->send_message_impl_(msg, message_type);\n"
+    hpp += "    return this->send_message_impl(msg, message_type);\n"
     hpp += "  }\n\n"
 
     # Add logging helper method implementations to cpp