When you send a web push notification to a browser push service, you may get an HTTP status code that represents an error.
vapid
Web Push: what is VAPID (applicationServerKey)?
If you are adding web push notifications to a website, you will probably hear about VAPID. Let’s see what it is and why it’s useful.
Web Push Notifications: Standard and Official Documentation
“Web Push Notifications” is a general term to refer to the push notifications sent by websites and web apps. However, if you are looking for an official document that defines the “Web Push Notifications” standard, you won’t find it. This is because this technology is made up of different technologies, each one serving to a specific purpose. Let’s find out what these technologies are and where the official standards are located (documentation).
Introducing VAPID
We’re happy to announce that Pushpad now supports VAPID (Voluntary Application Server Identification for Web Push).