# My sim800l failed to send data to the webserver **URL:** \ **Category:** General Guidance\ **Created:** [July 13, 2023, 11:18am UTC](https://forum.arduino.cc/t/my-sim800l-failed-to-send-data-to-the-webserver/1147636 "2023-07-13T11:18:24Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![awneil](https://avatars.discourse-cdn.com/v4/letter/a/49beb7/32.png) [@awneil](https://forum.arduino.cc/u/awneil)\ **Post date:** [July 13, 2023, 11:55am UTC](https://forum.arduino.cc/t/my-sim800l-failed-to-send-data-to-the-webserver/1147636/4 "2023-07-13T11:55:50Z")
Take a look at this one: > [@Read SMS text filter for credit value](https://forum.arduino.cc/t/read-sms-text-filter-for-credit-value/1147559): > > Team, Trying to do the following with a SIM7600. Operator needs 2424 and BAL sent to retrieve the balance Output using AT commands directly and all I want is the credit 20.05. SMS text is at index 0 and +CMGRD=0 reads then deletes. Couple of questions is I need to factor if there is any other random SMS from the operator so every x hrs I run modem.sendAT("+CMGD=0,4"); that deletes all SMS texts so I should be at index 0 again. Thoughts? where I am going wrong? Its almost like code doesnt w… it has `sendAT()` and `waitResponse()` ... --- _[View the full topic](https://forum.arduino.cc/t/my-sim800l-failed-to-send-data-to-the-webserver/1147636)._