============= POST DATA =============== {"username":"nmag_masuser","recipients":"web,android,ios","data":{"click_action":"https:\/\/dev.n-tv.pt\/uncategorized\/test-artigo\/","title":"Assuntos de Importancia","body":"Este e um Titulo Importante"},"icon":"https:\/\/dev.n-tv.pt\/files\/2020\/02\/ntv_icon2.png"} ============= cURL request =============== https://mas.protectmedia.com/WebPushNotification/notification/5juu00phu4-fkqjidp8ko-3bg7jsiqdx-a33urvuxt6 ============= cURL response =============== {"errors":{"http_request_failed":["cURL error 56: Received HTTP code 503 from proxy after CONNECT"]},"error_data":[]}