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Nostrdex
Relays

Buttercup

Online
wss://buttercup.exe.xyz

Buttercup Nostr Relay on exe.dev

Read-only
ScoreScore: 75

Connection

Connect
262 ms
Read
15 ms
Write
—n/a
Network
Clearnet
Last checked
2 hours ago
Last online
2 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
1
Notes in the last hour
0

Supported NIPs

Access & policy

Authentication (NIP-42)
No
Payment required
No
Restricted writes
Yes
Sends AUTH challenge
No
Minimum PoW (NIP-13)
None
Write test
Rejected: blocked: you are not part of the team

Limits

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

Overview

Software
khatru
Version
n/a
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": "Buttercup",
  "description": "Buttercup Nostr Relay on exe.dev",
  "pubkey": "f288a224a61b7361aa9dc41a90aba8a2dff4544db0bc386728e638b21da1792c",
  "supported_nips": [
    1,
    9,
    11,
    40,
    42,
    70,
    86
  ],
  "software": "https://github.com/fiatjaf/khatru",
  "version": "n/a",
  "limitation": {}
}

Use this data

View JSON
curl
curl "/api/v1/relays/buttercup.exe.xyz"