Is event kind 57009 already part of a NIP (draft)?
Just to be clear, only relays supporting this event kind can handle the events you broadcast with the client you've made right?
Is event kind 57009 already part of a NIP (draft)?
No
Just to be clear, only relays supporting this event kind can handle the events you broadcast with the client you've made right?
Afaik, all relays support it. It's within the range 0 to 65,535, which is the standard range for nostr kinds, so it should be supported by all relays