Hello everyone, I am doing a project with an Arduino UNO and an Ethernet Shield, It consists of doing an HTTP POST from a JSON to a Server, I have reviewed my code many times and I still have the same error, the server receives my POST but it tells me that there is a missing parameter. However I a…

HTTP POST Error Problem with Parameter json_data

Juraj May 3, 2018, 4:49pm 7

it is something that the web service expects and we don't know about it. what service is it?

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