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Relays

FBXL Social

Online
wss://nostr.fbxl.net

ActivityPub-authoritative Nostr compatibility relay

Read-only
ScoreScore: 75

Connection

Connect
2.7 s
Read
117 ms
Write
—n/a
Network
Clearnet
Last checked
3 hours ago
Last online
3 hours ago

Uptime

Last 24 hours
100%
Last 7 days
100%
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
4
Notes in the last hour
14

Supported NIPs

Access & policy

Authentication (NIP-42)
No
Payment required
No
Restricted writes
Yes
Sends AUTH challenge
Yes
Minimum PoW (NIP-13)
None
Write test
Rejected: restricted: writer is not known to this relay

Limits

Max message length
66K
Max subscriptions
20
Max filter limit
500
Max content length
50K
Max event tags
128

Overview

Software
unfathomably-be
Version
3.8.0+unfathomably-be
Contact
—n/a
Countries
—n/a
Languages
—n/a
First seen
Oct 30, 2026, 12:17 AM UTC
Discovered via
nip66

NIP-11 document

{
  "name": "FBXL Social",
  "description": "ActivityPub-authoritative Nostr compatibility relay",
  "pubkey": "0a0a065c215c38cdb0d0698731eed9a310fdba77963a298adc32213fe0dfa117",
  "self": "0a0a065c215c38cdb0d0698731eed9a310fdba77963a298adc32213fe0dfa117",
  "supported_nips": [
    1,
    2,
    5,
    9,
    10,
    11,
    17,
    18,
    19,
    21,
    22,
    23,
    24,
    25,
    27,
    29,
    30,
    36,
    38,
    39,
    40,
    42,
    44,
    45,
    48,
    50,
    51,
    52,
    53,
    56,
    58,
    59,
    65,
    70,
    72,
    73,
    88,
    92
  ],
  "software": "https://github.com/fbxl-sj0/unfathomably-be",
  "version": "3.8.0+unfathomably-be",
  "limitation": {
    "max_message_length": 65536,
    "max_subscriptions": 20,
    "max_limit": 500,
    "max_event_tags": 128,
    "max_content_length": 50000,
    "auth_required": false,
    "payment_required": false,
    "restricted_writes": true,
    "default_limit": 500
  }
}

Use this data

View JSON
curl
curl "/api/v1/relays/nostr.fbxl.net"