Why am I unable to add multiple SSL certificates?

Issue

I don't see the Add certificate option in my Dashboard.

Resolution

Heroku now supports multiple SSL certificates for a single app:

This feature is currently available to a subset of applications and will eventually be rolled out to all applications. You can verify whether your app is included by running this CLI command:

heroku labs -a <your-app-name> | grep allow-multiple-sni-endpoints

You can include your own application by running this CLI command:

heroku labs:enable allow-multiple-sni-endpoints -a <app-name>

Note: If you've already added an SSL certificate prior to enabling this feature on the app, you may need to delete all the SSL certificates and re-upload them.

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