# HTTP Client > Symcon documentation · English · generated on 2026-09-26 > Index: https://www.symcon.de/en/llms.txt Source: https://www.symcon.de/en/service/documentation/module-reference/i-o-instances/httpclient/ _Requires Symcon >= 2.3_ The HTTP Client reads data from a URL and makes it available. ### Integration in IP-Symcon Authentication via username and password can optionally be set up on the configuration page. #### Read website If a website is to be read in, the URL must be entered. The interval determines how often this query is carried out. ![Configuration page](https://www.symcon.de/media/pages/service/dokumentation/modulreferenz/io/httpclient/fb9880bbaf-1790424939/io-httpclient.png) ## WWW_UpdatePage Source: https://www.symcon.de/en/service/documentation/module-reference/i-o-instances/httpclient/www-updatepage/ `bool WWW_UpdatePage(int $InstanceID)` _Requires Symcon >= 2.3_ lets you query the configured URL **Parameters** - `$InstanceID` (int): ID of the HTTP Client to be updated **Returns** (bool): If the command succeeds, it returns __TRUE__, otherwise __FALSE__. ID of the HTTP Client to be updated **Example** ```php //Manual query of the configured URL of the HTTP Client with the InstanceID 12345 WWW_UpdatePage(12345); ```