diff --git a/pywa/api.py b/pywa/api.py
index 58f21153..d012fe64 100644
--- a/pywa/api.py
+++ b/pywa/api.py
@@ -525,6 +525,41 @@ def send_interactive_message(
             },
         )
 
+    def register_phone_number(
+        self, password: str, data_localization_region: str = None
+    ) -> dict[str, bool]:
+        """
+        Register a phone number with WhatsApp.
+
+        Return example:
+            {
+                'success': True,
+            }
+
+        Args:
+            password: The 2fa of the phone number (if 2fa is enabled set password to 111111).
+                if you don't remember the password read the docs in facebook: https://developers.facebook.com/docs/whatsapp/cloud-api/reference/two-step-verification#updating-verification-code
+
+            data_localization_region: the data localization region of the phone number.
+
+        Returns:
+            The success of the operation.
+        """
+
+        return self._make_request(
+            method="POST",
+            endpoint=f"/{self.phone_id}/register",
+            json={
+                **self._common_keys,
+                "pin": password,
+                **(
+                    {"data_localization_region": data_localization_region}
+                    if data_localization_region
+                    else {}
+                ),
+            },
+        )
+
     def send_contacts(
         self,
         to: str,
diff --git a/pywa/client.py b/pywa/client.py
index 9c9f909d..3f3695e5 100644
--- a/pywa/client.py
+++ b/pywa/client.py
@@ -1062,6 +1062,33 @@ def send_products(
             reply_to_message_id=reply_to_message_id,
         )["messages"][0]["id"]
 
+    def register_phone_number(
+        self, password: str | int, data_localization_region: str = None
+    ) -> bool:
+        """
+        Register a phone number with WhatsApp.
+
+        read more in fecebook develeopers https://developers.facebook.com/docs/whatsapp/cloud-api/reference/registration
+
+        Example:
+
+            >>> wa = WhatsApp(...)
+            >>> wa.register_phone_number(password='111111', data_localization_region='US')
+
+        Args:
+            password: The 2fa of the phone number (if 2fa is enabled set password to 111111).
+                if you don't remember the password read the docs in facebook: https://developers.facebook.com/docs/whatsapp/cloud-api/reference/two-step-verification#updating-verification-code
+
+            data_localization_region: the data localization region of the phone number.
+
+        Returns:
+            The success of the operation.
+        """
+
+        return self.api.register_phone_number(
+            password=str(password), data_localization_region=data_localization_region
+        )["success"]
+
     def mark_message_as_read(
         self,
         message_id: str,