All specifications

How a server charges for an endpoint: a 402 response carrying the payment terms, for uploads, downloads or media processing.

Defines HEAD /upload, a preflight request telling a client whether an upload would be accepted before it sends the bytes.

Defines PUT /upload and the blob descriptor, the JSON object describing a stored blob: its url, hash, size, mime type and upload time.

When a user has no name or display_name in their kind 0 metadata, clients SHOULD display:

This NIP defines kind 32267 to describe a software application, kind 30063 for a software release and kind 3063 for a software asset.

The base every Blossom server implements: the CORS headers, the error reporting, and the GET and HEAD endpoints that serve a blob by its hash.

Defines PUT /media, where a server transcodes and optimises what it is given rather than storing the bytes untouched.

Authors: decented

Defines PUT /mirror, which asks a server to fetch a blob from a URL itself instead of having the client upload the same bytes twice.

This NIP defines a standard HTTP API for relays to expose trust-weighted influence scores computed using the GrapeVine algorithm. These scores enable clients...

Defines the management endpoints: listing what a pubkey uploaded, and deleting a blob by its hash.

Defines the kind 24242 event a user signs to prove to a server that they allowed an application to act on their behalf.

Authors: forgesworn

Nostr users who want to maintain separate identities — one for social posting, one for commerce, one for a specific application — must today manage multiple...

The emoji tag, which maps a shortcode written in the content to an image URL.

Existing encrypted messaging on Nostr (NIP-04, NIP-17) is designed for chat-style conversations: fast, ephemeral, back-and-forth. This NIP defines a different...

Authors: forgesworn

Authors: forgesworn

This NIP defines kind 31000, an addressable event for attestations between Nostr identities. One kind serves credentials, endorsements, reviews, access grants...

Four addressable event kinds for challenging and resolving oracle-reported outcomes on Nostr: outcome reporting, challenges, stake-weighted voting, and...