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Nostrdex
API
Relays

Formstr Relay

Online
wss://relay.formstr.app

A public Nostr relay backed by mesh-PG — distributed, resilient, yours.

ScoreScore: 74

Connection

Connect
1.2 s
Read
213 ms
Write
409 ms
Network
Clearnet
Last checked
33 minutes ago
Last online
33 minutes 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
7

Supported NIPs

Access & policy

Authentication (NIP-42)
No
Payment required
No
Restricted writes
No
Sends AUTH challenge
No
Minimum PoW (NIP-13)
None
Write test
Accepted our test event

Limits

Max message length
524K
Max subscriptions
10
Max filter limit
5,000
Max content length
102K
Max event tags
2,500

Overview

Software
nostream
Version
3.0.0
Contact
mailto:team@formstr.app
Countries
—n/a
Languages
—n/a
First seen
Nov 5, 2026, 9:49 AM UTC
Discovered via
nip66
Terms of service
View all
Payment page
View all

NIP-11 document

{
  "name": "Formstr Relay",
  "description": "A public Nostr relay backed by mesh-PG — distributed, resilient, yours.",
  "banner": "https://relay.formstr.app/css/formstr-banner.png",
  "icon": "https://relay.formstr.app/css/formstr-icon.png",
  "pubkey": "073cd836b557a9fdc2a62c27373273da0c556a7008763f7f0e2b7f28ea754fd6",
  "self": "d2686763a4d5eb0c30db3e88db14c86a9bd5eb6aaa944dfa152fa4f0735462b9",
  "contact": "mailto:team@formstr.app",
  "supported_nips": [
    1,
    2,
    3,
    4,
    9,
    11,
    12,
    13,
    14,
    15,
    16,
    17,
    20,
    22,
    25,
    28,
    33,
    40,
    42,
    44,
    45,
    50,
    65
  ],
  "software": "git+https://github.com/cameri/nostream.git",
  "version": "3.0.0",
  "terms_of_service": "https://relay.formstr.app/terms",
  "payments_url": "https://relay.formstr.app/invoices",
  "limitation": {
    "max_message_length": 524288,
    "max_subscriptions": 10,
    "max_limit": 5000,
    "max_subid_length": 256,
    "max_event_tags": 2500,
    "max_content_length": 102400,
    "min_pow_difficulty": 0,
    "auth_required": false,
    "payment_required": false,
    "restricted_writes": false,
    "created_at_lower_limit": 3600,
    "created_at_upper_limit": 900,
    "default_limit": 500
  },
  "fees": {
    "admission": []
  }
}

Use this data

View JSON
curl
curl "/api/v1/relays/relay.formstr.app"