nostr-java

nostr-java is a Java SDK for the Nostr protocol. It provides utilities for creating, signing and publishing Nostr events to relays.

Requirements

• Maven
• Java 21+

See docs/GETTING_STARTED.md for installation and usage instructions.

For a quick API walkthrough, see docs/howto/use-nostr-java-api.md.

See docs/CODEBASE_OVERVIEW.md for details about running tests and contributing.

Examples

Examples are located in the nostr-java-examples module.

Supported NIPs

The API currently implements the following NIPs:

• NIP-1
• NIP-2
• NIP-3
• NIP-4
• NIP-5
• NIP-8
• NIP-9
• NIP-12
• NIP-14
• NIP-15
• NIP-20
• NIP-23
• NIP-25
• NIP-28
• NIP-30
• NIP-32
• NIP-40
• NIP-42
• NIP-44
• NIP-46
• NIP-57
• NIP-60
• NIP-61
• NIP-99