diff --git a/esphome/components/optolink/datapoint_component.cpp b/esphome/components/optolink/datapoint_component.cpp
index 3b552e1c01..6f00e3abe0 100644
--- a/esphome/components/optolink/datapoint_component.cpp
+++ b/esphome/components/optolink/datapoint_component.cpp
@@ -2,7 +2,9 @@
 
 #include "datapoint_component.h"
 #include "optolink.h"
+#ifdef USE_API
 #include "esphome/components/api/api_server.h"
+#endif
 
 namespace esphome {
 namespace optolink {
@@ -268,20 +270,24 @@ void DatapointComponent::subscribe_hass(std::string entity_id, std::function<voi
   subscription.callbacks.push_back(f);
   hass_subscriptions_.push_back(subscription);
 
-  api::global_api_server->subscribe_home_assistant_state(
-      entity_id, optional<std::string>(), [this, entity_id](const std::string &state) {
-        ESP_LOGD(TAG, "received schedule plan from HASS entity '%s': %s", entity_id.c_str(), state.c_str());
-        for (auto &subscription : hass_subscriptions_) {
-          if (subscription.last_state != state) {
-            if (subscription.entity_id == entity_id) {
-              subscription.last_state = state;
-              for (auto callback : subscription.callbacks) {
-                callback(state);
+#ifdef USE_API
+  if (api::global_api_server != nullptr) {
+    api::global_api_server->subscribe_home_assistant_state(
+        entity_id, optional<std::string>(), [this, entity_id](const std::string &state) {
+          ESP_LOGD(TAG, "received schedule plan from HASS entity '%s': %s", entity_id.c_str(), state.c_str());
+          for (auto &subscription : hass_subscriptions_) {
+            if (subscription.last_state != state) {
+              if (subscription.entity_id == entity_id) {
+                subscription.last_state = state;
+                for (auto callback : subscription.callbacks) {
+                  callback(state);
+                }
               }
             }
           }
-        }
-      });
+        });
+  }
+#endif
 }
 
 void conv2_100_F::encode(uint8_t *out, DPValue in) {