diff --git a/native/cpp/CommonCpp/NativeModules/CommCoreModule.h b/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
--- a/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
+++ b/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
@@ -79,6 +79,7 @@
       jsi::String authUserID,
       jsi::String authDeviceID,
       jsi::String authAccessToken) override;
+  virtual jsi::Value validateAndGetPrekeys(jsi::Runtime &rt) override;
   virtual jsi::Value initializeNotificationsSession(
       jsi::Runtime &rt,
       jsi::String identityKeys,
diff --git a/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp b/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
--- a/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
+++ b/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
@@ -675,6 +675,18 @@
       });
 }
 
+std::pair<std::string, std::string> getNotificationsPrekeyAndSignature() {
+  // TODO: Implement notifs prekey rotation.
+  // Notifications prekey is not rotated at this moment. It
+  // is fetched with signature to match identity service API.
+  std::string notificationsPrekey =
+      NotificationsCryptoModule::getNotificationsPrekey("Comm");
+  std::string notificationsPrekeySignature =
+      NotificationsCryptoModule::getNotificationsPrekeySignature("Comm");
+
+  return std::make_pair(notificationsPrekey, notificationsPrekeySignature);
+}
+
 jsi::Value CommCoreModule::validateAndUploadPrekeys(
     jsi::Runtime &rt,
     jsi::String authUserID,
@@ -689,11 +701,17 @@
           std::string error;
           std::optional<std::string> maybePrekeyToUpload;
 
+          if (this->cryptoModule == nullptr) {
+            this->jsInvoker_->invokeAsync([=, &innerRt]() {
+              promise->reject("user has not been initialized");
+            });
+            return;
+          }
+
           try {
             maybePrekeyToUpload = this->cryptoModule->validatePrekey();
-            if (maybePrekeyToUpload.has_value()) {
-              this->persistCryptoModule();
-            } else {
+            this->persistCryptoModule();
+            if (!maybePrekeyToUpload.has_value()) {
               maybePrekeyToUpload = this->cryptoModule->getUnpublishedPrekey();
             }
           } catch (const std::exception &e) {
@@ -716,14 +734,10 @@
           try {
             std::string prekeySignature =
                 this->cryptoModule->getPrekeySignature();
-            // TODO: Implement notifs prekey rotation.
-            // Notifications prekey is not rotated at this moment. It
-            // is fetched with signature to match identity service API.
-            std::string notificationsPrekey =
-                NotificationsCryptoModule::getNotificationsPrekey("Comm");
-            std::string notificationsPrekeySignature =
-                NotificationsCryptoModule::getNotificationsPrekeySignature(
-                    "Comm");
+            std::string notificationsPrekey, notificationsPrekeySignature;
+            std::tie(notificationsPrekey, notificationsPrekeySignature) =
+                getNotificationsPrekeyAndSignature();
+
             try {
               std::promise<folly::dynamic> prekeyPromise;
               std::future<folly::dynamic> prekeyFuture =
@@ -770,6 +784,71 @@
       });
 }
 
+jsi::Value CommCoreModule::validateAndGetPrekeys(jsi::Runtime &rt) {
+  return createPromiseAsJSIValue(
+      rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
+        taskType job = [=, &innerRt]() {
+          std::string error;
+          std::string contentPrekeySignature, notifPrekey, notifPrekeySignature;
+          std::optional<std::string> contentPrekey;
+
+          if (this->cryptoModule == nullptr) {
+            this->jsInvoker_->invokeAsync([=, &innerRt]() {
+              promise->reject("user has not been initialized");
+            });
+            return;
+          }
+          try {
+            contentPrekey = this->cryptoModule->validatePrekey();
+            if (!contentPrekey) {
+              contentPrekey = this->cryptoModule->getUnpublishedPrekey();
+            }
+            if (!contentPrekey) {
+              contentPrekey = this->cryptoModule->getPrekey();
+            }
+            this->persistCryptoModule();
+
+            contentPrekeySignature = this->cryptoModule->getPrekeySignature();
+
+            std::tie(notifPrekey, notifPrekeySignature) =
+                getNotificationsPrekeyAndSignature();
+
+          } catch (const std::exception &e) {
+            error = e.what();
+          }
+
+          this->jsInvoker_->invokeAsync([=, &innerRt]() {
+            if (error.size()) {
+              promise->reject(error);
+              return;
+            }
+            auto contentPrekeyJSI =
+                jsi::String::createFromUtf8(innerRt, contentPrekey.value());
+            auto contentPrekeySignatureJSI =
+                jsi::String::createFromUtf8(innerRt, contentPrekeySignature);
+            auto notifPrekeyJSI =
+                jsi::String::createFromUtf8(innerRt, notifPrekey);
+            auto notifPrekeySignatureJSI =
+                jsi::String::createFromUtf8(innerRt, notifPrekeySignature);
+
+            auto signedPrekeysJSI = jsi::Object(innerRt);
+            signedPrekeysJSI.setProperty(
+                innerRt, "contentPrekey", contentPrekeyJSI);
+            signedPrekeysJSI.setProperty(
+                innerRt, "contentPrekeySignature", contentPrekeySignatureJSI);
+            signedPrekeysJSI.setProperty(
+                innerRt, "notifPrekey", notifPrekeyJSI);
+            signedPrekeysJSI.setProperty(
+                innerRt, "notifPrekeySignature", notifPrekeySignatureJSI);
+
+            promise->resolve(std::move(signedPrekeysJSI));
+          });
+        };
+
+        this->cryptoThread->scheduleTask(job);
+      });
+}
+
 jsi::Value CommCoreModule::initializeNotificationsSession(
     jsi::Runtime &rt,
     jsi::String identityKeys,
diff --git a/native/cpp/CommonCpp/_generated/commJSI-generated.cpp b/native/cpp/CommonCpp/_generated/commJSI-generated.cpp
--- a/native/cpp/CommonCpp/_generated/commJSI-generated.cpp
+++ b/native/cpp/CommonCpp/_generated/commJSI-generated.cpp
@@ -75,6 +75,9 @@
 static jsi::Value __hostFunction_CommCoreModuleSchemaCxxSpecJSI_generateAndGetPrekeys(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommCoreModuleSchemaCxxSpecJSI *>(&turboModule)->generateAndGetPrekeys(rt);
 }
+static jsi::Value __hostFunction_CommCoreModuleSchemaCxxSpecJSI_validateAndGetPrekeys(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
+  return static_cast<CommCoreModuleSchemaCxxSpecJSI *>(&turboModule)->validateAndGetPrekeys(rt);
+}
 static jsi::Value __hostFunction_CommCoreModuleSchemaCxxSpecJSI_validateAndUploadPrekeys(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
   return static_cast<CommCoreModuleSchemaCxxSpecJSI *>(&turboModule)->validateAndUploadPrekeys(rt, args[0].asString(rt), args[1].asString(rt), args[2].asString(rt));
 }
@@ -180,6 +183,7 @@
   methodMap_["getUserPublicKey"] = MethodMetadata {0, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_getUserPublicKey};
   methodMap_["getOneTimeKeys"] = MethodMetadata {1, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_getOneTimeKeys};
   methodMap_["generateAndGetPrekeys"] = MethodMetadata {0, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_generateAndGetPrekeys};
+  methodMap_["validateAndGetPrekeys"] = MethodMetadata {0, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_validateAndGetPrekeys};
   methodMap_["validateAndUploadPrekeys"] = MethodMetadata {3, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_validateAndUploadPrekeys};
   methodMap_["initializeNotificationsSession"] = MethodMetadata {5, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_initializeNotificationsSession};
   methodMap_["isNotificationsSessionInitialized"] = MethodMetadata {0, __hostFunction_CommCoreModuleSchemaCxxSpecJSI_isNotificationsSessionInitialized};
diff --git a/native/cpp/CommonCpp/_generated/commJSI.h b/native/cpp/CommonCpp/_generated/commJSI.h
--- a/native/cpp/CommonCpp/_generated/commJSI.h
+++ b/native/cpp/CommonCpp/_generated/commJSI.h
@@ -40,6 +40,7 @@
   virtual jsi::Value getUserPublicKey(jsi::Runtime &rt) = 0;
   virtual jsi::Value getOneTimeKeys(jsi::Runtime &rt, double oneTimeKeysAmount) = 0;
   virtual jsi::Value generateAndGetPrekeys(jsi::Runtime &rt) = 0;
+  virtual jsi::Value validateAndGetPrekeys(jsi::Runtime &rt) = 0;
   virtual jsi::Value validateAndUploadPrekeys(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken) = 0;
   virtual jsi::Value initializeNotificationsSession(jsi::Runtime &rt, jsi::String identityKeys, jsi::String prekey, jsi::String prekeySignature, jsi::String oneTimeKeys, jsi::String keyserverID) = 0;
   virtual jsi::Value isNotificationsSessionInitialized(jsi::Runtime &rt) = 0;
@@ -247,6 +248,14 @@
       return bridging::callFromJs<jsi::Value>(
           rt, &T::generateAndGetPrekeys, jsInvoker_, instance_);
     }
+    jsi::Value validateAndGetPrekeys(jsi::Runtime &rt) override {
+      static_assert(
+          bridging::getParameterCount(&T::validateAndGetPrekeys) == 1,
+          "Expected validateAndGetPrekeys(...) to have 1 parameters");
+
+      return bridging::callFromJs<jsi::Value>(
+          rt, &T::validateAndGetPrekeys, jsInvoker_, instance_);
+    }
     jsi::Value validateAndUploadPrekeys(jsi::Runtime &rt, jsi::String authUserID, jsi::String authDeviceID, jsi::String authAccessToken) override {
       static_assert(
           bridging::getParameterCount(&T::validateAndUploadPrekeys) == 4,
diff --git a/native/schema/CommCoreModuleSchema.js b/native/schema/CommCoreModuleSchema.js
--- a/native/schema/CommCoreModuleSchema.js
+++ b/native/schema/CommCoreModuleSchema.js
@@ -86,6 +86,7 @@
   +getUserPublicKey: () => Promise<ClientPublicKeys>;
   +getOneTimeKeys: (oneTimeKeysAmount: number) => Promise<OneTimeKeysResult>;
   +generateAndGetPrekeys: () => Promise<SignedPrekeys>;
+  +validateAndGetPrekeys: () => Promise<SignedPrekeys>;
   +validateAndUploadPrekeys: (
     authUserID: string,
     authDeviceID: string,