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Relays

Calendar Relay

Online
wss://dev.calendar-relay.edufeed.org

A Nostr relay for calendar events (NIP-52) Supports NIP-52 events (kinds 31922, 31923, 31924, 31925) with extended query parameters for calendar events (31922, 31923): #start_after - Events starting at or after this Unix timestamp #start_before - Events starting before this Unix timestamp #end_after - Events ending at or after this Unix timestamp #end_before - Events ending before this Unix timestamp #g - Geohash prefix for location-based queries

Read-only
ScoreScore: 50

Connection

Connect
1.1 s
Read
38 ms
Write
—n/a
Network
Clearnet
Last checked
6 hours ago
Last online
6 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
2
Notes in the last hour
0

Access & policy

Authentication (NIP-42)
No
Payment required
No
Restricted writes
Yes
Sends AUTH challenge
No
Minimum PoW (NIP-13)
None
Write test
Rejected: restricted: this relay only accepts NIP-52 events (kinds 31922, 31923, 31924, 31925)

Limits

Max message length
—n/a
Max subscriptions
—n/a
Max filter limit
500
Max content length
—n/a
Max event tags
—n/a

Overview

Software
calendar-relay
Version
dev
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": "Calendar Relay",
  "description": "A Nostr relay for calendar events (NIP-52)\n\nSupports NIP-52 events (kinds 31922, 31923, 31924, 31925) with extended query parameters for calendar events (31922, 31923):\n  #start_after  - Events starting at or after this Unix timestamp\n  #start_before - Events starting before this Unix timestamp\n  #end_after    - Events ending at or after this Unix timestamp\n  #end_before   - Events ending before this Unix timestamp\n  #g            - Geohash prefix for location-based queries",
  "pubkey": "1c5ff3caacd842c01dca8f378231b16617516d214da75c7aeabbe9e1efe9c0f6",
  "supported_nips": [
    1,
    9,
    11,
    33,
    40,
    42,
    45,
    52,
    70,
    77,
    86
  ],
  "software": "https://git.edufeed.org/edufeed/calendar-relay",
  "version": "dev",
  "limitation": {
    "max_limit": 500,
    "auth_required": false,
    "payment_required": false,
    "restricted_writes": true,
    "created_at_lower_limit": 0,
    "created_at_upper_limit": 0
  }
}

Use this data

View JSON
curl
curl "/api/v1/relays/dev.calendar-relay.edufeed.org"