diff --git a/en/tips/blockednumbernew.mdx b/en/tips/blockednumbernew.mdx
index 3ff57d0..425ea83 100644
--- a/en/tips/blockednumbernew.mdx
+++ b/en/tips/blockednumbernew.mdx
@@ -61,7 +61,6 @@ This type of restriction can be identified through the [On Message Send](/webhoo
 When attempting to send a message, you may receive errors such as:
 
 - `"The message was not sent due to a likely shadow ban"` 
-- `"Did not have permission to send this message"`  
 - `"Whatsapp rejected sending this message"`  
 
 These responses indicate that the number is temporarily restricted from sending messages.
diff --git a/en/webhooks/on-message-send-examples.mdx b/en/webhooks/on-message-send-examples.mdx
index b22fc80..5360329 100644
--- a/en/webhooks/on-message-send-examples.mdx
+++ b/en/webhooks/on-message-send-examples.mdx
@@ -37,6 +37,11 @@ All **On Send** webhook responses contain the following attributes:
   Present **only in error cases**. Contains the description of the error that occurred when sending the message
 </ResponseField>
 
+<ResponseField name="errorCode" type="string (enum)">
+  Error identifier code. Present **only in specific error cases**.
+  Currently sent only when the error is related to a temporary message sending restriction (shadow ban), with the value `"SHADOW_BAN"`
+</ResponseField>
+
 ---
 
 ## Return Examples
@@ -93,7 +98,8 @@ When an error occurs during sending, the response includes the `error` field wit
     WhatsApp did not allow sending this message.
   </Accordion>
   <Accordion title="The message was not sent due to a likely shadow ban">
-    The number is probably temporarily restricted from sending messages (shadow ban)
+    The phone number is likely under a temporary message sending restriction (shadow ban).
+    When this error occurs, the `errorCode` field is sent with the value `"SHADOW_BAN"`
   </Accordion>
   <Accordion title="Does not have permission to send the message">
     Your account does not have permission to send this message.
diff --git a/tips/blockednumbernew.mdx b/tips/blockednumbernew.mdx
index 7e3e415..4fb50e9 100644
--- a/tips/blockednumbernew.mdx
+++ b/tips/blockednumbernew.mdx
@@ -65,7 +65,6 @@ Quando um número está sob shadowban, podem ocorrer os seguintes comportamentos
 Ao tentar enviar uma mensagem, você pode receber erros como:
 
 - `"The message was not sent due to a likely shadow ban"` 
-- `"Did not have permission to send this message"`  
 - `"Whatsapp rejected sending this message"`  
  
 Esses retornos indicam que o número está temporariamente impedido de enviar mensagens.
diff --git a/webhooks/on-message-send-examples.mdx b/webhooks/on-message-send-examples.mdx
index 0bb1f07..4aec1c9 100644
--- a/webhooks/on-message-send-examples.mdx
+++ b/webhooks/on-message-send-examples.mdx
@@ -37,6 +37,11 @@ Todos os retornos do webhook **Ao enviar** possuem os seguintes atributos:
   Presente **apenas em casos de erro**. Contém a descrição do erro ocorrido no envio da mensagem
 </ResponseField>
 
+<ResponseField name="errorCode" type="string (enum)">
+  Código identificador do erro. Presente **apenas em casos específicos de erro**.
+  Atualmente enviado somente quando o erro for relacionado a restrição temporária de envio de mensagens (shadow ban), com o valor `"SHADOW_BAN"`
+</ResponseField>
+
 ---
 
 ## Exemplos de retorno
@@ -93,7 +98,8 @@ Quando ocorre um erro no envio, o retorno inclui o campo `error` com a descriç
     O WhatsApp não permitiu o envio desta mensagem.
   </Accordion>
   <Accordion title="The message was not sent due to a likely shadow ban">
-    O número provavelmente está com uma restrição temporária de envio de mensagens (shadow ban). 
+    O número provavelmente está com uma restrição temporária de envio de mensagens (shadow ban).
+    Quando este erro ocorre, o campo `errorCode` é enviado com o valor `"SHADOW_BAN"`
   </Accordion>
   <Accordion title="Does not have permission to send the message">
     Sua conta não tem autorização para enviar esta mensagem.