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Relays

POWR Relay

Online
wss://relay.powr.build

Official relay for POWR — workout tracking and fitness data on Nostr.

Read-only
ScoreScore: 75

Connection

Connect
1.1 s
Read
148 ms
Write
—n/a
Network
Clearnet
Last checked
4 hours ago
Last online
4 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: kind 20666 is not supported on this relay

Limits

Max message length
131K
Max subscriptions
20
Max filter limit
500
Max content length
—n/a
Max event tags
—n/a

Overview

Software
strfry
Version
1.0.4
Contact
https://powr.build
Countries
—n/a
Languages
—n/a
First seen
Oct 30, 2026, 12:17 AM UTC
Discovered via
nip66

NIP-11 document

{
  "name": "POWR Relay",
  "description": "Official relay for POWR — workout tracking and fitness data on Nostr.",
  "pubkey": "55127fc9e1c03c6b459a3bab72fdb99def1644c5f239bdd09f3e5fb401ed9b21",
  "contact": "https://powr.build",
  "supported_nips": [
    1,
    2,
    4,
    9,
    11,
    17,
    25,
    42,
    51,
    65,
    101
  ],
  "software": "git+https://github.com/hoytech/strfry.git",
  "version": "1.0.4",
  "limitation": {
    "max_message_length": 131072,
    "max_subscriptions": 20,
    "max_limit": 500
  }
}

Use this data

View JSON
curl
curl "/api/v1/relays/relay.powr.build"