diff --git a/packages/react-native/ReactAndroid/build.gradle.kts b/packages/react-native/ReactAndroid/build.gradle.kts
index 3385ae79cfde..314fc497d781 100644
--- a/packages/react-native/ReactAndroid/build.gradle.kts
+++ b/packages/react-native/ReactAndroid/build.gradle.kts
@@ -144,6 +144,7 @@ val preparePrefab by
                       Pair("../ReactCommon/react/renderer/css/", "react/renderer/css/"),
                       // react_debug
                       Pair("../ReactCommon/react/debug/", "react/debug/"),
+                      Pair("../ReactCommon/react/debug/React/", "React/"),
                       // react_renderer_debug
                       Pair("../ReactCommon/react/renderer/debug/", "react/renderer/debug/"),
                       // react_renderer_graphics
@@ -233,6 +234,7 @@ val preparePrefab by
                       Pair(File(buildDir, "third-party-ndk/folly/").absolutePath, ""),
                       Pair(File(buildDir, "third-party-ndk/glog/exported/").absolutePath, ""),
                       Pair("../ReactCommon/callinvoker/", ""),
+                      Pair("../ReactCommon/callinvoker/React/", "React/"),
                       Pair("../ReactCommon/cxxreact/", "cxxreact/"),
                       // Exported because the public cxxreact/ErrorUtils.h includes it
                       Pair("../ReactCommon/jserrorhandler/", "jserrorhandler/"),
@@ -264,6 +266,7 @@ val preparePrefab by
                       Pair("../ReactCommon/react/renderer/telemetry/", "react/renderer/telemetry/"),
                       Pair("../ReactCommon/react/renderer/uimanager/", "react/renderer/uimanager/"),
                       Pair("../ReactCommon/react/debug/", "react/debug/"),
+                      Pair("../ReactCommon/react/debug/React/", "React/"),
                       Pair("../ReactCommon/react/cxxstableapi/", "react/cxxstableapi/"),
                       Pair("../ReactCommon/react/utils/", "react/utils/"),
                       Pair("src/main/jni/react/jni", "react/jni/"),
diff --git a/packages/react-native/ReactCommon/callinvoker/CMakeLists.txt b/packages/react-native/ReactCommon/callinvoker/CMakeLists.txt
index 5ad2b05c563a..9e03b804fdc7 100644
--- a/packages/react-native/ReactCommon/callinvoker/CMakeLists.txt
+++ b/packages/react-native/ReactCommon/callinvoker/CMakeLists.txt
@@ -11,5 +11,6 @@ include(${REACT_COMMON_DIR}/cmake-utils/react-native-flags.cmake)
 add_library(callinvoker INTERFACE)
 
 target_include_directories(callinvoker INTERFACE .)
+target_link_libraries(callinvoker INTERFACE react_cxxstableapi)
 target_compile_reactnative_options(callinvoker INTERFACE)
 target_compile_options(callinvoker INTERFACE -Wpedantic)
diff --git a/packages/react-native/ReactCommon/callinvoker/React-callinvoker.podspec b/packages/react-native/ReactCommon/callinvoker/React-callinvoker.podspec
index 6290d9867e6d..aac5db20478e 100644
--- a/packages/react-native/ReactCommon/callinvoker/React-callinvoker.podspec
+++ b/packages/react-native/ReactCommon/callinvoker/React-callinvoker.podspec
@@ -16,6 +16,12 @@ else
   source[:tag] = "v#{version}"
 end
 
+header_search_paths = []
+
+if ENV['USE_FRAMEWORKS']
+  header_search_paths << "\"$(PODS_TARGET_SRCROOT)/..\"" # ReactCommon, for <react/cxxstableapi/...>
+end
+
 Pod::Spec.new do |s|
   s.name                   = "React-callinvoker"
   s.version                = version
@@ -26,7 +32,17 @@ Pod::Spec.new do |s|
   s.platforms              = min_supported_versions
   s.source                 = source
   s.source_files           = podspec_sources("**/*.{cpp,h}", "**/*.h")
+  s.exclude_files          = "React"
+  s.pod_target_xcconfig    = { "HEADER_SEARCH_PATHS" => header_search_paths.join(' ') }
   s.header_dir             = "ReactCommon"
 
+  s.subspec "CallInvokerUmbrella" do |ss|
+    ss.source_files        = "React/*.h"
+    ss.header_dir          = "React"
+    ss.header_mappings_dir = "React"
+  end
+
+  s.dependency "React-cxxstableapi"
+
   mark_as_react_native_build(s)
 end
diff --git a/packages/react-native/ReactCommon/callinvoker/React/CallInvoker.h b/packages/react-native/ReactCommon/callinvoker/React/CallInvoker.h
new file mode 100644
index 000000000000..e8bf92e95dae
--- /dev/null
+++ b/packages/react-native/ReactCommon/callinvoker/React/CallInvoker.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+// =============================================================================
+// Umbrella header for the `callinvoker` module - public entry point.
+//
+//   #include <React/CallInvoker.h>
+//
+// Re-exports the module's public interface headers. React Native's own code
+// should keep using the fine-grained `<ReactCommon/...>` includes; only outside
+// consumers use this umbrella.
+// =============================================================================
+
+// Marks that the following headers are pulled in through the umbrella, so their
+// shared guard (<react/cxxstableapi/UmbrellaGuard.h>) accepts them.
+#define RN_UMBRELLA_CONTEXT
+
+#include <ReactCommon/CallInvoker.h>
+#include <ReactCommon/SchedulerPriority.h>
+
+#undef RN_UMBRELLA_CONTEXT
diff --git a/packages/react-native/ReactCommon/callinvoker/ReactCommon/CallInvoker.h b/packages/react-native/ReactCommon/callinvoker/ReactCommon/CallInvoker.h
index 452493c27e3e..1c6fc0302dc9 100644
--- a/packages/react-native/ReactCommon/callinvoker/ReactCommon/CallInvoker.h
+++ b/packages/react-native/ReactCommon/callinvoker/ReactCommon/CallInvoker.h
@@ -7,6 +7,8 @@
 
 #pragma once
 
+#include <react/cxxstableapi/UmbrellaGuard.h>
+
 #include "SchedulerPriority.h"
 
 #include <functional>
diff --git a/packages/react-native/ReactCommon/callinvoker/ReactCommon/SchedulerPriority.h b/packages/react-native/ReactCommon/callinvoker/ReactCommon/SchedulerPriority.h
index 2027d95c7668..44b8dcc973bb 100644
--- a/packages/react-native/ReactCommon/callinvoker/ReactCommon/SchedulerPriority.h
+++ b/packages/react-native/ReactCommon/callinvoker/ReactCommon/SchedulerPriority.h
@@ -7,6 +7,8 @@
 
 #pragma once
 
+#include <react/cxxstableapi/UmbrellaGuard.h>
+
 namespace facebook::react {
 
 enum class SchedulerPriority : int {
diff --git a/packages/react-native/ReactCommon/react/debug/CMakeLists.txt b/packages/react-native/ReactCommon/react/debug/CMakeLists.txt
index 5cbe24ff6029..9e0376561144 100644
--- a/packages/react-native/ReactCommon/react/debug/CMakeLists.txt
+++ b/packages/react-native/ReactCommon/react/debug/CMakeLists.txt
@@ -14,7 +14,7 @@ add_library(react_debug OBJECT ${react_debug_SRC} ${react_debug_redbox_SRC})
 
 target_include_directories(react_debug PUBLIC ${REACT_COMMON_DIR})
 
-target_link_libraries(react_debug folly_runtime)
+target_link_libraries(react_debug folly_runtime react_cxxstableapi)
 
 if(ANDROID)
   target_link_libraries(react_debug log)
diff --git a/packages/react-native/ReactCommon/react/debug/React-debug.podspec b/packages/react-native/ReactCommon/react/debug/React-debug.podspec
index b2ec229a73cf..591f5798504b 100644
--- a/packages/react-native/ReactCommon/react/debug/React-debug.podspec
+++ b/packages/react-native/ReactCommon/react/debug/React-debug.podspec
@@ -16,6 +16,12 @@ else
   source[:tag] = "v#{version}"
 end
 
+header_search_paths = []
+
+if ENV['USE_FRAMEWORKS']
+  header_search_paths << "\"$(PODS_TARGET_SRCROOT)/../..\"" # ReactCommon, for <react/cxxstableapi/...>
+end
+
 Pod::Spec.new do |s|
   s.name                   = "React-debug"
   s.version                = version
@@ -28,15 +34,24 @@ Pod::Spec.new do |s|
   s.source_files           = podspec_sources("*.{cpp,h}", "*.h")
   s.header_dir             = "react/debug"
   s.pod_target_xcconfig    = { "CLANG_CXX_LANGUAGE_STANDARD" => rct_cxx_language_standard(),
-                               "DEFINES_MODULE" => "YES" }
+                               "DEFINES_MODULE" => "YES",
+                               "HEADER_SEARCH_PATHS" => header_search_paths.join(' ') }
 
   resolve_use_frameworks(s, header_mappings_dir: "../..", module_name: "React_debug")
 
+  s.subspec "DebugUmbrella" do |ss|
+    ss.source_files         = "React/*.h"
+    ss.header_dir           = "React"
+    ss.header_mappings_dir  = "React"
+  end
+
   s.subspec "redbox" do |ss|
     ss.source_files         = podspec_sources("redbox/*.{cpp,h}", "redbox/*.h")
     ss.exclude_files        = "redbox/tests/**/*.{cpp,h}"
     ss.header_dir           = "react/debug/redbox"
   end
 
+  s.dependency "React-cxxstableapi"
+
   mark_as_react_native_build(s)
 end
diff --git a/packages/react-native/ReactCommon/react/debug/React/Debug.h b/packages/react-native/ReactCommon/react/debug/React/Debug.h
new file mode 100644
index 000000000000..8ba388a6e3a4
--- /dev/null
+++ b/packages/react-native/ReactCommon/react/debug/React/Debug.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+// =============================================================================
+// Umbrella header for the `react/debug` module - public entry point.
+//
+//   #include <React/Debug.h>
+//
+// Re-exports the module's public interface headers. React Native's own code
+// should keep using the fine-grained `<react/debug/...>` includes; only outside
+// consumers use this umbrella.
+//
+// The `redbox/` headers are deliberately absent: they are implementation
+// details of the dev-menu red box and carry no stability guarantee.
+// =============================================================================
+
+// Marks that the following headers are pulled in through the umbrella, so their
+// shared guard (<react/cxxstableapi/UmbrellaGuard.h>) accepts them.
+#define RN_UMBRELLA_CONTEXT
+
+#include <react/debug/flags.h>
+#include <react/debug/react_native_assert.h>
+#include <react/debug/react_native_expect.h>
+
+#undef RN_UMBRELLA_CONTEXT
diff --git a/packages/react-native/ReactCommon/react/debug/flags.h b/packages/react-native/ReactCommon/react/debug/flags.h
index 1ccc1a2817df..61c107c455ca 100644
--- a/packages/react-native/ReactCommon/react/debug/flags.h
+++ b/packages/react-native/ReactCommon/react/debug/flags.h
@@ -7,6 +7,8 @@
 
 #pragma once
 
+#include <react/cxxstableapi/UmbrellaGuard.h>
+
 //
 // Preprocessor flags which control whether code meant for debugging the
 // internals of React Native is included in the build. E.g. debug assertions.
diff --git a/packages/react-native/ReactCommon/react/debug/react_native_assert.h b/packages/react-native/ReactCommon/react/debug/react_native_assert.h
index d209e0041bb8..70c53aa414e9 100644
--- a/packages/react-native/ReactCommon/react/debug/react_native_assert.h
+++ b/packages/react-native/ReactCommon/react/debug/react_native_assert.h
@@ -20,6 +20,8 @@
 
 #pragma once
 
+#include <react/cxxstableapi/UmbrellaGuard.h>
+
 #include "flags.h"
 
 #undef react_native_assert
diff --git a/packages/react-native/ReactCommon/react/debug/react_native_expect.h b/packages/react-native/ReactCommon/react/debug/react_native_expect.h
index cfc4d66f8da8..18cf5d242955 100644
--- a/packages/react-native/ReactCommon/react/debug/react_native_expect.h
+++ b/packages/react-native/ReactCommon/react/debug/react_native_expect.h
@@ -22,6 +22,8 @@
 
 #pragma once
 
+#include <react/cxxstableapi/UmbrellaGuard.h>
+
 #include "flags.h"
 
 #undef react_native_expect
diff --git a/packages/react-native/ReactCommon/react/debug/redbox/AnsiParser.h b/packages/react-native/ReactCommon/react/debug/redbox/AnsiParser.h
index 89f2aa8eda26..1211132fad7a 100644
--- a/packages/react-native/ReactCommon/react/debug/redbox/AnsiParser.h
+++ b/packages/react-native/ReactCommon/react/debug/redbox/AnsiParser.h
@@ -7,6 +7,8 @@
 
 #pragma once
 
+#include <react/cxxstableapi/PrivateGuard.h>
+
 #include <optional>
 #include <string>
 #include <vector>
diff --git a/packages/react-native/ReactCommon/react/debug/redbox/JscSafeUrl.h b/packages/react-native/ReactCommon/react/debug/redbox/JscSafeUrl.h
index 39417d1b06b2..7d29d6e8599c 100644
--- a/packages/react-native/ReactCommon/react/debug/redbox/JscSafeUrl.h
+++ b/packages/react-native/ReactCommon/react/debug/redbox/JscSafeUrl.h
@@ -7,6 +7,8 @@
 
 #pragma once
 
+#include <react/cxxstableapi/PrivateGuard.h>
+
 #include <string>
 #include <string_view>
 
diff --git a/packages/react-native/ReactCommon/react/debug/redbox/RedBoxErrorParser.h b/packages/react-native/ReactCommon/react/debug/redbox/RedBoxErrorParser.h
index b8aaf6d85b3b..dc8deb5136ff 100644
--- a/packages/react-native/ReactCommon/react/debug/redbox/RedBoxErrorParser.h
+++ b/packages/react-native/ReactCommon/react/debug/redbox/RedBoxErrorParser.h
@@ -7,6 +7,8 @@
 
 #pragma once
 
+#include <react/cxxstableapi/PrivateGuard.h>
+
 #include <optional>
 #include <string>
 
diff --git a/packages/react-native/scripts/ios-prebuild/headers-config.js b/packages/react-native/scripts/ios-prebuild/headers-config.js
index 8689316ff74c..86f0430e842c 100644
--- a/packages/react-native/scripts/ios-prebuild/headers-config.js
+++ b/packages/react-native/scripts/ios-prebuild/headers-config.js
@@ -513,6 +513,36 @@ const PodspecExceptions /*: {[key: string]: PodSpecConfiguration} */ = {
       },
     ],
   },
+  'ReactCommon/callinvoker/React-callinvoker.podspec': {
+    name: 'React-callinvoker',
+    headerPatterns: ['**/*.h'],
+    excludePatterns: ['React/**'],
+    headerDir: 'ReactCommon',
+    subSpecs: [
+      {
+        name: 'CallInvokerUmbrella',
+        headerPatterns: ['React/*.h'],
+        headerDir: 'React',
+      },
+    ],
+  },
+  'ReactCommon/react/debug/React-debug.podspec': {
+    name: 'React-debug',
+    headerPatterns: ['*.h'],
+    headerDir: 'react/debug',
+    subSpecs: [
+      {
+        name: 'DebugUmbrella',
+        headerPatterns: ['React/*.h'],
+        headerDir: 'React',
+      },
+      {
+        name: 'redbox',
+        headerPatterns: ['redbox/*.h'],
+        headerDir: 'react/debug/redbox',
+      },
+    ],
+  },
   'React-Core.podspec': {
     name: 'React-Core',
     headerPatterns: [],