Sim800 http url length problem

Hello everyone
I am using blow steps to send data to server with HTTP url and get the response .
When url length is short , everything is ok . but when url length increase to about 1000 chars , i get ERROR after (AT+HTTPPARA) . how can i fix this problem ?



There is limit to URL length. Shorten variable names and try to use HTTP POST instead of HTTP Get for long data.

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Could you send an example code for Post method? thanks