Client error: `POST https://onesignal.com/api/v1/players/csv_export` resulted in a `400 Bad Request` response:
{"errors":["app_id not found. You may be missing a Content-Type: application/json header."]}
app_id should be in query params not body. I guess this is same for #44 even if this worked before going against documentation is not a good thing.
app_id should be in query params not body. I guess this is same for #44 even if this worked before going against documentation is not a good thing.