nostr21.com is a Nostr Relay page that clearly lists its connection address as wss://nostr21.com and labels itself as a paid relay. The page provides entry points for member login, checking status by pubkey, Relay Statistics, Moderator Portal, Terms of Service, as well as βConnect to Relayβ and copying the URL. It feels more like a relay service portal for Nostr users and clients than a full developer platform overview.
Based on the page content, its main purpose is to let users connect their Nostr clients to this Relay, with paid membership used for access control or status verification. It supports checking membership status via public key, which is a practical feature in the Nostr context. The recommended client is jumble.social, and there is also an entry for TREX / The Relay Explorer, suggesting some ecosystem connection with Nostr clients and relay discovery tools. However, the page does not explain which NIPs are supported, whether there are read/write restrictions, event retention policies, rate limits, or detailed moderation rules.
The page only states that it is a paid relay, without disclosing specific pricing, plans, payment methods, refund policies, or any trial mechanism, making it difficult to assess its actual value for money. There is also no information on whether it is open source or closed source, and self-hosting options are not mentioned. For developers who need controlled deployment or secondary development, these are important missing pieces.
The strengths are a clear connection address, Terms of Service, statistics and management entry points, and a relatively complete set of basic operational elements. The membership status lookup also makes it convenient for users to confirm their access rights. The downsides are limited documentation and a lack of API/SDK information, protocol support details, billing details, and support channel descriptions. It is suitable for users who are already familiar with Nostr and only need to configure a Relay, or for small communities that want to use a paid Relay. It is less suitable for teams that require detailed SLAs, compliance information, and engineering integration documentation.
The page does not provide information about availability, payment, or node accessibility from mainland China, so actual connectivity needs to be tested directly against the WebSocket address. If access or payment is limited, alternatives include other public Nostr Relays, paid Relays, or self-hosting a Nostr Relay.
β This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on nostr21.com official site.
nostr21.com is an Unknown Dev Tools (Nostr Relay) provider. TG4G tracks its product information, an overall rating of 5.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach nostr21.com directly.