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Event Kinds Reference

Every Nostr event has a kind field that indicates what type of data it carries. The kind number also determines how relays should handle the event — whether it is permanent, replaceable, ephemeral, or addressable.

The kind ranges defined in NIP-01 are:

  • 0 – 9999: Regular events (stored permanently)
  • 10000 – 19999: Replaceable events (only the latest from each author is kept)
  • 20000 – 29999: Ephemeral events (not stored by relays)
  • 30000 – 39999: Addressable events (replaceable by d tag + kind + pubkey)

Regular Events

Section titled “Regular Events”
KindDescriptionDefined In
0User MetadataNIP-01
1Short Text NoteNIP-10
2Recommend RelayNIP-01 (deprecated)
3FollowsNIP-02
4Encrypted Direct MessagesNIP-04
5Event Deletion RequestNIP-09
6RepostNIP-18
7ReactionNIP-25
8Badge AwardNIP-58
9Chat MessageNIP-C7
10Group Chat Threaded ReplyNIP-29 (deprecated)
11ThreadNIP-7D
12Group Thread ReplyNIP-29 (deprecated)
13SealNIP-59
14Direct MessageNIP-17
15File MessageNIP-17
16Generic RepostNIP-18
17Reaction to a websiteNIP-25
20PictureNIP-68
21Video EventNIP-71
22Short-form Portrait Video EventNIP-71
24Public MessageNIP-A4
30internal reference[NKBIP-03]
31external web reference[NKBIP-03]
32hardcopy reference[NKBIP-03]
33prompt reference[NKBIP-03]
40Channel CreationNIP-28
41Channel MetadataNIP-28
42Channel MessageNIP-28
43Channel Hide MessageNIP-28
44Channel Mute UserNIP-28
62Request to VanishNIP-62
64Chess (PGN)NIP-64
443KeyPackage[Marmot][marmot]
444Welcome Message[Marmot][marmot]
445Group Event[Marmot][marmot]
818Merge RequestsNIP-54
1018Poll ResponseNIP-88
1021BidNIP-15
1022Bid confirmationNIP-15
1040OpenTimestampsNIP-03
1059Gift WrapNIP-59
1063File MetadataNIP-94
1068PollNIP-88
1111CommentNIP-22
1222Voice MessageNIP-A0
1244Voice Message CommentNIP-A0
1311Live Chat MessageNIP-53
1337Code SnippetNIP-C0
1617PatchesNIP-34
1618Pull RequestsNIP-34
1619Pull Request UpdatesNIP-34
1621IssuesNIP-34
1622Git Replies (deprecated)NIP-34
1630-1633StatusNIP-34
1971Problem Tracker[nostrocket][nostrocket]
1984ReportingNIP-56
1985LabelNIP-32
1986Relay reviews—
1987AI Embeddings / Vector lists[NKBIP-02]
2003TorrentNIP-35
2004Torrent CommentNIP-35
2022Coinjoin Pool[joinstr][joinstr]
4550Community Post ApprovalNIP-72
5000-5999Job RequestNIP-90
6000-6999Job ResultNIP-90
7000Job FeedbackNIP-90
7374Reserved Cashu Wallet TokensNIP-60
7375Cashu Wallet TokensNIP-60
7376Cashu Wallet HistoryNIP-60
7516Geocache log[geocaching][geocaching]
7517Geocache proof of find[geocaching][geocaching]
8000Add UserNIP-43
8001Remove UserNIP-43
9000-9030Group Control EventsNIP-29
9041Zap GoalNIP-75
9321NutzapNIP-61
9467Tidal login[Tidal-nostr]
9734Zap RequestNIP-57
9735ZapNIP-57
9802HighlightsNIP-84

Replaceable Events

Section titled “Replaceable Events”
KindDescriptionDefined In
10000Mute listNIP-51
10001Pin listNIP-51
10002Relay List MetadataNIP-65, NIP-51
10003Bookmark listNIP-51
10004Communities listNIP-51
10005Public chats listNIP-51
10006Blocked relays listNIP-51
10007Search relays listNIP-51
10008Profile BadgesNIP-51, NIP-58
10009User groupsNIP-51, NIP-29
10011External IdentitiesNIP-39
10012Favorite relays listNIP-51
10013Private event relay listNIP-37
10015Interests listNIP-51
10019Nutzap Mint RecommendationNIP-61
10020Media followsNIP-51
10030User emoji listNIP-51
10050Relay list to receive DMsNIP-51, NIP-17
10051KeyPackage Relays List[Marmot][marmot]
10063User server list[Blossom][blossom]
10096File storage server listNIP-96
10166Relay Monitor AnnouncementNIP-66
10312Room PresenceNIP-53
10377Proxy Announcement[Nostr Epoxy][nostr-epoxy]
11111Transport Method Announcement[Nostr Epoxy][nostr-epoxy]
13194Wallet InfoNIP-47
13534Membership ListsNIP-43
14388User Sound Effect Lists[Corny Chat][cornychat-usersoundlist]
15128Root nsite manifestNIP-5A
17375Cashu Wallet EventNIP-60

Ephemeral Events

Section titled “Ephemeral Events”
KindDescriptionDefined In
21000Lightning Pub RPC[Lightning.Pub][lnpub]
22242Client AuthenticationNIP-42
23194Wallet RequestNIP-47
23195Wallet ResponseNIP-47
24133Nostr ConnectNIP-46
24242Blobs stored on mediaservers[Blossom][blossom]
27235HTTP AuthNIP-98
28934Join RequestNIP-43
28935Invite RequestNIP-43
28936Leave RequestNIP-43

Addressable Events

Section titled “Addressable Events”
KindDescriptionDefined In
30000Follow setsNIP-51
30001Generic listsNIP-51 (deprecated)
30002Relay setsNIP-51
30003Bookmark setsNIP-51
30004Curation setsNIP-51
30005Video setsNIP-51
30006Picture setsNIP-51
30007Kind mute setsNIP-51
30008Badge setsNIP-51, NIP-58
30009Badge DefinitionNIP-58
30015Interest setsNIP-51
30017Create or update a stallNIP-15
30018Create or update a productNIP-15
30019Marketplace UI/UXNIP-15
30020Product sold as an auctionNIP-15
30023Long-form ContentNIP-23
30024Draft Long-form ContentNIP-23
30030Emoji setsNIP-51
30040Curated Publication Index[NKBIP-01]
30041Curated Publication Content[NKBIP-01]
30063Release artifact setsNIP-51
30078Application-specific DataNIP-78
30166Relay DiscoveryNIP-66
30267App curation setsNIP-51
30311Live EventNIP-53
30312Interactive RoomNIP-53
30313Conference EventNIP-53
30315User StatusesNIP-38
30382User Trusted AssertionNIP-85
30383Event Trusted AssertionNIP-85
30384Addressable Trusted AssertionNIP-85
30388Slide Set[Corny Chat][cornychat-slideset]
30402Classified ListingNIP-99
30403Draft Classified ListingNIP-99
30617Repository announcementsNIP-34
30618Repository state announcementsNIP-34
30818Wiki articleNIP-54
30819RedirectsNIP-54
31234Draft EventNIP-37
31388Link Set[Corny Chat][cornychat-linkset]
31890Feed[NUD: Custom Feeds][NUD: Custom Feeds]
31922Date-Based Calendar EventNIP-52
31923Time-Based Calendar EventNIP-52
31924CalendarNIP-52
31925Calendar Event RSVPNIP-52
31989Handler recommendationNIP-89
31990Handler informationNIP-89
32267Software Application—
32388User Room Favorites[Corny Chat][cornychat-roomfavorites]
33388High Scores[Corny Chat][cornychat-highscores]
34128Legacy nsite manifestNIP-5A
34235Addressable Video EventNIP-71
34236Addressable Short Video EventNIP-71
34388Sound Effects[Corny Chat][cornychat-soundeffects]
34550Community DefinitionNIP-72
35128Named nsite manifestNIP-5A
37516Geocache listing[geocaching][geocaching]
38172Cashu Mint AnnouncementNIP-87
38173Fedimint AnnouncementNIP-87
38383Peer-to-peer Order eventsNIP-69
39000-9Group metadata eventsNIP-29
39089Starter packsNIP-51
39092Media starter packsNIP-51
39701Web bookmarksNIP-B0