diff --git a/esphome/components/web_server/web_server.cpp b/esphome/components/web_server/web_server.cpp
index 3bb7eee8f1..dc27db2f41 100644
--- a/esphome/components/web_server/web_server.cpp
+++ b/esphome/components/web_server/web_server.cpp
@@ -219,9 +219,16 @@ void WebServer::handle_sensor_request(AsyncWebServerRequest *request, const UrlM
   for (sensor::Sensor *obj : App.get_sensors()) {
     if (obj->get_object_id() != match.id)
       continue;
-    std::string data = this->sensor_json(obj, obj->state, DETAIL_STATE);
-    request->send(200, "application/json", data.c_str());
-    return;
+    if (request->method() == HTTP_GET && match.method.empty()) {
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->sensor_json(obj, obj->state, detail);
+      request->send(200, "application/json", data.c_str());
+      return;
+    }
   }
   request->send(404);
 }
@@ -257,9 +264,16 @@ void WebServer::handle_text_sensor_request(AsyncWebServerRequest *request, const
   for (text_sensor::TextSensor *obj : App.get_text_sensors()) {
     if (obj->get_object_id() != match.id)
       continue;
-    std::string data = this->text_sensor_json(obj, obj->state, DETAIL_STATE);
-    request->send(200, "application/json", data.c_str());
-    return;
+    if (request->method() == HTTP_GET && match.method.empty()) {
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->text_sensor_json(obj, obj->state, detail);
+      request->send(200, "application/json", data.c_str());
+      return;
+    }
   }
   request->send(404);
 }
@@ -288,7 +302,12 @@ void WebServer::handle_switch_request(AsyncWebServerRequest *request, const UrlM
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->switch_json(obj, obj->state, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->switch_json(obj, obj->state, detail);
       request->send(200, "application/json", data.c_str());
     } else if (match.method == "toggle") {
       this->schedule_([obj]() { obj->toggle(); });
@@ -324,7 +343,15 @@ void WebServer::handle_button_request(AsyncWebServerRequest *request, const UrlM
   for (button::Button *obj : App.get_buttons()) {
     if (obj->get_object_id() != match.id)
       continue;
-    if (match.method == "press") {
+    if (request->method() == HTTP_GET && match.method.empty()) {
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->button_json(obj, detail);
+      request->send(200, "application/json", data.c_str());
+    } else if (match.method == "press") {
       this->schedule_([obj]() { obj->press(); });
       request->send(200);
       return;
@@ -357,9 +384,16 @@ void WebServer::handle_binary_sensor_request(AsyncWebServerRequest *request, con
   for (binary_sensor::BinarySensor *obj : App.get_binary_sensors()) {
     if (obj->get_object_id() != match.id)
       continue;
-    std::string data = this->binary_sensor_json(obj, obj->state, DETAIL_STATE);
-    request->send(200, "application/json", data.c_str());
-    return;
+    if (request->method() == HTTP_GET && match.method.empty()) {
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->binary_sensor_json(obj, obj->state, detail);
+      request->send(200, "application/json", data.c_str());
+      return;
+    }
   }
   request->send(404);
 }
@@ -388,7 +422,12 @@ void WebServer::handle_fan_request(AsyncWebServerRequest *request, const UrlMatc
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->fan_json(obj, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->fan_json(obj, detail);
       request->send(200, "application/json", data.c_str());
     } else if (match.method == "toggle") {
       this->schedule_([obj]() { obj->toggle().perform(); });
@@ -466,7 +505,12 @@ void WebServer::handle_light_request(AsyncWebServerRequest *request, const UrlMa
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->light_json(obj, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->light_json(obj, detail);
       request->send(200, "application/json", data.c_str());
     } else if (match.method == "toggle") {
       this->schedule_([obj]() { obj->toggle().perform(); });
@@ -577,9 +621,14 @@ void WebServer::handle_cover_request(AsyncWebServerRequest *request, const UrlMa
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->cover_json(obj, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->cover_json(obj, detail);
       request->send(200, "application/json", data.c_str());
-      continue;
+      return;
     }
 
     auto call = obj->make_call();
@@ -653,7 +702,12 @@ void WebServer::handle_number_request(AsyncWebServerRequest *request, const UrlM
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->number_json(obj, obj->state, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->number_json(obj, obj->state, detail);
       request->send(200, "application/json", data.c_str());
       return;
     }
@@ -717,8 +771,13 @@ void WebServer::handle_date_request(AsyncWebServerRequest *request, const UrlMat
   for (auto *obj : App.get_dates()) {
     if (obj->get_object_id() != match.id)
       continue;
-    if (request->method() == HTTP_GET) {
-      std::string data = this->date_json(obj, DETAIL_STATE);
+    if (request->method() == HTTP_GET && match.method.empty()) {
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->date_json(obj, detail);
       request->send(200, "application/json", data.c_str());
       return;
     }
@@ -772,7 +831,12 @@ void WebServer::handle_time_request(AsyncWebServerRequest *request, const UrlMat
     if (obj->get_object_id() != match.id)
       continue;
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->time_json(obj, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->time_json(obj, detail);
       request->send(200, "application/json", data.c_str());
       return;
     }
@@ -825,7 +889,12 @@ void WebServer::handle_datetime_request(AsyncWebServerRequest *request, const Ur
     if (obj->get_object_id() != match.id)
       continue;
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->datetime_json(obj, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->datetime_json(obj, detail);
       request->send(200, "application/json", data.c_str());
       return;
     }
@@ -880,8 +949,13 @@ void WebServer::handle_text_request(AsyncWebServerRequest *request, const UrlMat
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->text_json(obj, obj->state, DETAIL_STATE);
-      request->send(200, "text/json", data.c_str());
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->text_json(obj, obj->state, detail);
+      request->send(200, "application/json", data.c_str());
       return;
     }
     if (match.method != "set") {
@@ -995,11 +1069,15 @@ void WebServer::handle_climate_request(AsyncWebServerRequest *request, const Url
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->climate_json(obj, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->climate_json(obj, detail);
       request->send(200, "application/json", data.c_str());
       return;
     }
-
     if (match.method != "set") {
       request->send(404);
       return;
@@ -1149,7 +1227,12 @@ void WebServer::handle_lock_request(AsyncWebServerRequest *request, const UrlMat
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->lock_json(obj, obj->state, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->lock_json(obj, obj->state, detail);
       request->send(200, "application/json", data.c_str());
     } else if (match.method == "lock") {
       this->schedule_([obj]() { obj->lock(); });
@@ -1192,9 +1275,14 @@ void WebServer::handle_valve_request(AsyncWebServerRequest *request, const UrlMa
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->valve_json(obj, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->valve_json(obj, detail);
       request->send(200, "application/json", data.c_str());
-      continue;
+      return;
     }
 
     auto call = obj->make_call();
@@ -1257,7 +1345,12 @@ void WebServer::handle_alarm_control_panel_request(AsyncWebServerRequest *reques
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->alarm_control_panel_json(obj, obj->get_state(), DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->alarm_control_panel_json(obj, obj->get_state(), detail);
       request->send(200, "application/json", data.c_str());
       return;
     }
@@ -1314,7 +1407,12 @@ void WebServer::handle_update_request(AsyncWebServerRequest *request, const UrlM
       continue;
 
     if (request->method() == HTTP_GET && match.method.empty()) {
-      std::string data = this->update_json(obj, DETAIL_STATE);
+      auto detail = DETAIL_STATE;
+      auto *param = request->getParam("detail");
+      if (param && param->value() == "all") {
+        detail = DETAIL_ALL;
+      }
+      std::string data = this->update_json(obj, detail);
       request->send(200, "application/json", data.c_str());
       return;
     }
diff --git a/esphome/config_validation.py b/esphome/config_validation.py
index e55879e37e..a7525a62dd 100644
--- a/esphome/config_validation.py
+++ b/esphome/config_validation.py
@@ -750,6 +750,7 @@ def time_period_str_unit(value):
         "ns": "nanoseconds",
         "nanoseconds": "nanoseconds",
         "us": "microseconds",
+        "µs": "microseconds",
         "microseconds": "microseconds",
         "ms": "milliseconds",
         "milliseconds": "milliseconds",
diff --git a/tests/components/esp32_rmt_led_strip/test.esp32-c3-idf.yaml b/tests/components/esp32_rmt_led_strip/test.esp32-c3-idf.yaml
index b226d1de06..8d04d3370b 100644
--- a/tests/components/esp32_rmt_led_strip/test.esp32-c3-idf.yaml
+++ b/tests/components/esp32_rmt_led_strip/test.esp32-c3-idf.yaml
@@ -12,7 +12,7 @@ light:
     num_leds: 60
     rmt_channel: 1
     rgb_order: RGB
-    bit0_high: 100us
-    bit0_low: 100us
-    bit1_high: 100us
-    bit1_low: 100us
+    bit0_high: 100µs
+    bit0_low: 100µs
+    bit1_high: 100µs
+    bit1_low: 100µs
diff --git a/tests/components/esp32_rmt_led_strip/test.esp32-idf.yaml b/tests/components/esp32_rmt_led_strip/test.esp32-idf.yaml
index d51a66451f..6e1763b339 100644
--- a/tests/components/esp32_rmt_led_strip/test.esp32-idf.yaml
+++ b/tests/components/esp32_rmt_led_strip/test.esp32-idf.yaml
@@ -12,7 +12,7 @@ light:
     num_leds: 60
     rmt_channel: 2
     rgb_order: RGB
-    bit0_high: 100us
-    bit0_low: 100us
-    bit1_high: 100us
-    bit1_low: 100us
+    bit0_high: 100µs
+    bit0_low: 100µs
+    bit1_high: 100µs
+    bit1_low: 100µs