> ## Documentation Index
> Fetch the complete documentation index at: https://docs.quickblox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Mark All Messages as Delivered

> Update the delivered status of messages for a certain dialog. <br/> *Added in v2.39.0*

#### Body Parameters

<ParamField body="chat_dialog_id" type="string" required> ID of the dialog to which a current message is connected. Generated automatically by the server after message creation. </ParamField>

#### Headers

<ParamField header="QB-Token" type="string" required> A user or application session token. See [Authentication](/reference/authentication) page to learn more about session tokens. Must be used either QB-Token or Authorization. </ParamField>
<ParamField header="Authorization" type="string" default="ApiKey {your_api_key}"> API key from Dashboard. Expected format: `ApiKey {your_api_key}`. Must be used either QB-Token or Authorization.</ParamField>
<ParamField header="On-Behalf-Of" type="string">User ID. The user ID of the user on whose behalf the request is being made.</ParamField>

#### Responses

<AccordionGroup>
  <Accordion title="200">
    A successful response
  </Accordion>

  <Accordion title="403">
    An error response

    <ResponseField name="errors" type="array of strings" />
  </Accordion>

  <Accordion title="404">
    An error response

    <ResponseField name="errors" type="array of strings" />
  </Accordion>
</AccordionGroup>

<RequestExample>
  ```bash cURL theme={null}
  curl -X PATH \
  -H "Content-Type: application/json" \
  -H "QB-Token: 1319b4991186601ccf4df2d0fa89565f68012bba" \
  -d '{  
    "chat_dialog_id":"53a99a7be4b094c7c6d31b41"
  }' \
  https://api.quickblox.com/chat/Message/delivered.json
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  Empty body
  ```

  ```json 403 theme={null}
  {
    "errors": [
      "You don't have appropriate permissions to perform this operation"
    ]
  }
  ```

  ```json 404 theme={null}
  {
    "errors": [
      "The resource wasn't found"
    ]
  }
  ```
</ResponseExample>