My collegue tried to set up a one signal app few weeks ago and it works at the beginning but soon it stopped to.
Yesterday, i tried to start a new app on the one signal backoffice : after setting up everything all my 3 browsers worked (Safari / Chrome / Firefox) when i tried to send a notification from the one signal back office.
Today, i take my job, no code where changed during the night and all my notifications fail or are invalids.
Do you know why it works yesterday but not today without any change ? Some spam protection maybe or anything else ?