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Nostrdex
API
Relays

Cloistr Relay

Online
wss://relay.cloistr.xyz

Cloistr Nostr relay - built with khatru

Auth
ScoreScore: 50

Connection

Connect
720 ms
Read
103 ms
Write
—n/a
Network
Clearnet
Last checked
2 hours ago
Last online
2 hours ago

Uptime

Last 24 hours
50%
Last 7 days
50%
Each bar is one check (every 6 hours), newest on the right.

Popularity

Listed by users
0
as read relay
0
as write relay
0
NIP-66 monitors
3
Notes in the last hour
0

Supported NIPs

Access & policy

Authentication (NIP-42)
Yes
Payment required
No
Restricted writes
No
Sends AUTH challenge
Yes
Minimum PoW (NIP-13)
None
Write test
Rejected: auth-required: authentication required to publish events

Limits

Max message length
512K
Max subscriptions
—n/a
Max filter limit
—n/a
Max content length
—n/a
Max event tags
—n/a

Overview

Software
cloistr-relay
Version
a6f7120b
Contact
lockesmith@cloistr.xyz
Countries
—n/a
Languages
—n/a
First seen
Oct 30, 2026, 12:17 AM UTC
Discovered via
nip66

NIP-11 document

{
  "name": "Cloistr Relay",
  "description": "Cloistr Nostr relay - built with khatru",
  "pubkey": "ac16282f720514d926a57b5c13f02d1f4e32bd6fe3e00f713f50964571685f62",
  "contact": "lockesmith@cloistr.xyz",
  "supported_nips": [
    1,
    9,
    11,
    13,
    17,
    22,
    33,
    40,
    42,
    45,
    46,
    50,
    57,
    59,
    70,
    77,
    86,
    94
  ],
  "software": "https://git.aegis-hq.xyz/coldforge/cloistr-relay",
  "version": "a6f7120b",
  "limitation": {
    "max_message_length": 512000,
    "auth_required": true,
    "payment_required": false,
    "restricted_writes": false,
    "created_at_lower_limit": 0,
    "created_at_upper_limit": 300
  }
}

Use this data

View JSON
curl
curl "/api/v1/relays/relay.cloistr.xyz"