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NIPs

Nostr Implementation Possibilities, NIP

Nostr Implementation Possibilities: the numbered specifications that define how clients and relays behave.

NIPs (Nostr Implementation Possibilities) are the numbered specifications of the Nostr protocol. NIP-01 defines the base event format, signatures, and how clients talk to relays. Every additional feature, from long-form posts to private messages to zaps, gets its own NIP.

Clients and relays are free to pick which NIPs they implement. Two clients that share the same set of NIPs can talk to each other through any relay. A client that implements a NIP the relay does not know about can still write and read the events; the relay just stores them as opaque signed blobs.

The authoritative list is kept at github.com/nostr-protocol/nips. Start with NIP-01, then follow the README to find the NIP that covers the feature you need.

References