Unknown SSL protocol error

Hi, I’m unable to use the Yumpu service… I can’t get an API key : Unknown SSL protocol error in connection to api.yumpu.com:443 Is there a way to get an API Key ? Merci !   Frank

my website : https://www.quaidesorfevres.com/accueil/


Yumpu User Asked on May 22, 2018 in Technical issues.
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