When Huawei server sends a notification that carries a signature to your server, your server can use the public key for signature verification on the notification. You need to obtain the public key from AppGallery Connect in advance.

1. Sign in to AppGallery Connect and select My projects.

2. Find your project and click the app for which you need to obtain a public key.

3. Go to Project Setting > Convention and click the copy icon next to Public key to copy it to your clipboard.