You can broadcast stuff to the relay `wss://inner.sebastix.social` with your Nostr client if your npub is on the invited tree. Please also check the other relays you might use for different purposes. Questions? Reach out to me via Nostr: https://ditto.pub/sebastix.dev or use my contact details found at https://sebastix.nl
endpoint at https://inner.sebastix.social/link/preview