diff --git a/.env.example b/.env.example
index 1006d96..438b759 100644
--- a/.env.example
+++ b/.env.example
@@ -29,6 +29,7 @@
 
 #
 # Service Integrations
+# (sorted alphabetically by service name)
 #
 
 # BTCPAY_PUBLIC_URL='https://btcpay.example.com'
@@ -62,5 +63,9 @@
 
 # MEDIAWIKI_PUBLIC_URL='https://wiki.kosmos.org'
 
+# NOSTR_PRIVATE_KEY='123456abcdef...'
+# NOSTR_PUBLIC_KEY='123456abcdef...'
+# NOSTR_RELAY_URL='wss://nostr.kosmos.org'
+
 # RS_STORAGE_URL='https://storage.kosmos.org'
 # RS_REDIS_URL='redis://localhost:6379/2'
diff --git a/app/models/setting.rb b/app/models/setting.rb
index 15c8755..0b41a30 100644
--- a/app/models/setting.rb
+++ b/app/models/setting.rb
@@ -169,6 +169,9 @@ class Setting < RailsSettings::Base
   field :nostr_public_key, type: :string,
     default: ENV["NOSTR_PUBLIC_KEY"].presence
 
+  field :nostr_relay_url, type: :string,
+    default: ENV["NOSTR_RELAY_URL"].presence
+
   field :nostr_zaps_relay_limit, type: :integer,
     default: 12
 
diff --git a/app/views/admin/settings/services/_nostr.html.erb b/app/views/admin/settings/services/_nostr.html.erb
index 302c52a..c5db5e3 100644
--- a/app/views/admin/settings/services/_nostr.html.erb
+++ b/app/views/admin/settings/services/_nostr.html.erb
@@ -19,6 +19,11 @@
         title: "Public key",
         description: "The corresponding public key of the accounts service"
       ) %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :nostr_relay_url,
+        title: "Relay URL",
+        description: "Websockets URL of a relay associated with #{Setting.primary_domain}"
+      ) %>
 </ul>
 </section>
 <section>