From fb1d2368a91c6deba836d5085c5579f69ebad370 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Mon, 4 Aug 2025 11:15:47 -1000
Subject: [PATCH] fix

---
 esphome/components/api/custom_api_device.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/esphome/components/api/custom_api_device.h b/esphome/components/api/custom_api_device.h
index 2e7bb705af..44f9eee571 100644
--- a/esphome/components/api/custom_api_device.h
+++ b/esphome/components/api/custom_api_device.h
@@ -252,6 +252,28 @@ class CustomAPIDevice {
     }
     global_api_server->send_homeassistant_service_call(resp);
   }
+#else
+  template<typename T = void> void call_homeassistant_service(const std::string &service_name) {
+    static_assert(sizeof(T) == 0, "call_homeassistant_service() requires 'homeassistant_services: true' in the 'api:' "
+                                  "section of your YAML configuration");
+  }
+
+  template<typename T = void>
+  void call_homeassistant_service(const std::string &service_name, const std::map<std::string, std::string> &data) {
+    static_assert(sizeof(T) == 0, "call_homeassistant_service() requires 'homeassistant_services: true' in the 'api:' "
+                                  "section of your YAML configuration");
+  }
+
+  template<typename T = void> void fire_homeassistant_event(const std::string &event_name) {
+    static_assert(sizeof(T) == 0, "fire_homeassistant_event() requires 'homeassistant_services: true' in the 'api:' "
+                                  "section of your YAML configuration");
+  }
+
+  template<typename T = void>
+  void fire_homeassistant_event(const std::string &service_name, const std::map<std::string, std::string> &data) {
+    static_assert(sizeof(T) == 0, "fire_homeassistant_event() requires 'homeassistant_services: true' in the 'api:' "
+                                  "section of your YAML configuration");
+  }
 #endif
 };