Kinds

In Nostr, events are categorized by their kind value, which determines the purpose and expected structure of the event.

Available Kind Definitions

Kind	Name	Description	Defined in
0	User Metadata	Profile information and user settings	NIP-01
1	Short Text Note	The basic text note/post	NIP-10
3	Follow List	List of followed profiles	NIP-02
4	Encrypted Direct Message	Private messages (deprecated)	NIP-04
5	Event Deletion Request	Request to delete previously published events	NIP-09
6	Repost	Sharing a text note with followers	NIP-18
7	Reaction	Like, dislike, or emoji reaction to an event	NIP-25
8	Badge Award	Award badges to users	NIP-58
9	Chat Message	Simple chat messaging	NIP-C7
10	Group Chat Threaded Reply	Threaded replies in group chats (deprecated)	NIP-29
11	Thread	Discussion thread root	NIP-7D
12	Group Thread Reply	Replies to threads in group chats (deprecated)	NIP-29
13	Seal	Encrypted wrapper for an unsigned event	NIP-59
14	Direct Message	Private messaging with enhanced security	NIP-17
15	File Message	Encrypted file sharing	NIP-17
16	Generic Repost	Reposting non-text-note content	NIP-18
17	Reaction to a Website	Like, emoji, or other reaction to web content	NIP-25
20	Picture	Image-centric posts	NIP-68
21	Video Event	Video-centric content	NIP-71
22	Short-form Portrait Video	Vertical short-form video content	NIP-71
40	Channel Creation	Create a public chat channel	NIP-28
41	Channel Metadata	Update chat channel information	NIP-28
42	Channel Message	Message posted to a channel	NIP-28
43	Channel Hide Message	Hide a specific channel message	NIP-28
44	Channel Mute User	Mute a user in a channel	NIP-28
62	Request to Vanish	Request for complete data removal	NIP-62
64	Chess (PGN)	Chess games in PGN format	NIP-64
1018	Poll Response	Vote on a poll	NIP-88
1059	Gift Wrap	Encrypted outer wrapper for secure messaging	NIP-59
1063	File Metadata	Metadata for shared files	NIP-94
1068	Poll	Create a poll with voting options	NIP-88
1111	Comment	Structured comments on content	NIP-22
1337	Code Snippet	Programming code with metadata	NIP-C0
1984	Reporting	Report objectionable content	NIP-56
1985	Label	Apply labels to events and entities	NIP-32
2003	Torrent	BitTorrent content index	NIP-35
2004	Torrent Comment	Comments on torrents	NIP-35
4550	Community Post Approval	Approval of posts by moderators	NIP-72
7374	Cashu Quote	Tracks mint payment quotes	NIP-60
7375	Cashu Token	Stores unspent Cashu proofs	NIP-60
7376	Nutzap Redemption	Records redemption of Nutzap tokens	NIP-61
9041	Zap Goal	Fundraising target for lightning payments	NIP-75
9734	Zap Request	Request for a lightning payment invoice	NIP-57
9321	Nutzap	P2PK Cashu token payment	NIP-61
9735	Zap Receipt	Confirmation of a lightning payment	NIP-57
9802	Highlights	Highlighted content excerpts	NIP-84
10000	Mute List	Content and users to hide from feeds	NIP-51
10001	Pinned Notes	Notes to showcase on a profile	NIP-51
10002	Relay List Metadata	User's preferred relays for discovery	NIP-65
10003	Bookmarks	Saved content for later reference	NIP-51
10004	Communities	Communities the user belongs to	NIP-51
10005	Public Chats	Chat channels the user participates in	NIP-51
10006	Blocked Relays	Relays clients should never connect to	NIP-51
10007	Search Relays	Relays optimized for search queries	NIP-51
10009	Simple Groups	Private group memberships	NIP-51
10013	Private Relay List	Encrypted list of relays for private content	NIP-37
10019	Nutzap Informational	Configuration for receiving Nutzaps	NIP-61
10030	Emojis	User preferred emojis and pointers to emoji sets	NIP-51
10050	DM Relays	User's preferred relays for direct messages	NIP-17
17375	Cashu Wallet	Cashu wallet configuration	NIP-60
30000	Follow Sets	Categorized lists of followed profiles	NIP-51
30002	Relay Sets	Categorized relay groups for different purposes	NIP-51
30003	Bookmark Sets	Categorized bookmark collections	NIP-51
30007	Kind Mute Sets	Mute users for specific event kinds	NIP-51
30008	Profile Badges	Badges displayed on a user profile	NIP-58
30009	Badge Definition	Defines a badge that can be awarded	NIP-58
30023	Long-form Content	Articles and blog posts	NIP-23
30024	Draft Long-form Content	Unpublished drafts of articles	NIP-23
30030	Emoji Sets	Categorized emoji groups	NIP-51
31234	Draft Event	Private wrapper for any draft event	NIP-37
31989	Handler Recommendation	Recommends applications that can handle specific event kinds	NIP-89
31990	Handler Information	Provides information about how apps can handle specific event kinds	NIP-89
34550	Community Definition	Definition of a moderated community	NIP-72

Kind Ranges

The Nostr protocol specifies different ranges of kind values for different purposes:

• 0-9999: Regular events
• 10000-19999: Replaceable events
• 20000-29999: Ephemeral events
• 30000-39999: Parameterized replaceable events

For more information on event kinds and ranges, see NIP-01.