FCM send to iOS fails with 'Invalid APNs credential' despite valid, verified APNs Auth Key (stackoverflow.com)stack
20 points by Priyanka Srivastava in stackoverflow.com · 17h ago · stack comments
I'm sending push notifications via the Firebase Admin SDK (Python) to a registered, valid iOS device token, and every single send fails with "Invalid APNs credential." This happens 100% of the time, across multiple distinct device tokens, over several days — including after comp…