Hello I'm sending Image byte data to server. String payload is like value=255,216,255,224,0,16,74,70,73,70,0,1,1,1,0,0,0,0,0,0,255,219,0,67,0,12,8,9,11,9,8,12,11,10,11,14,13,12,14,18,30,20,18,17,17,18,37,26,2 HTTPClient httpClient; httpClient.begin(targetUrl); httpClient.addHeader("Content-Typ…

HttpClient post request return only -1 not 200.

J-M-L April 25, 2018, 8:57pm 6

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