diff --git a/__init__.py b/__init__.py
index 7da5850..b376e2e 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,9 +1,10 @@
+import asyncio
 from fastapi import APIRouter
 from fastapi.staticfiles import StaticFiles
 
 from lnbits.db import Database
 from lnbits.helpers import template_renderer
-from lnbits.settings import settings
+from lnbits.tasks import catch_everything_and_restart
 
 db = Database("ext_nostrrelay")
 
@@ -22,12 +23,10 @@ def nostrrelay_renderer():
     return template_renderer(["lnbits/extensions/nostrrelay/templates"])
 
 
-from .models import NostrRelay
+from .tasks import wait_for_paid_invoices
 from .views import *  # noqa
 from .views_api import *  # noqa
 
-# settings.lnbits_relay_information = {
-#     "name": "LNbits Nostr Relay",
-#     "description": "Multiple relays are supported",
-#     **NostrRelay.info(),
-# }
+def nostrrelay_start():
+    loop = asyncio.get_event_loop()
+    loop.create_task(catch_everything_and_restart(wait_for_paid_invoices))
diff --git a/client_manager.py b/client_manager.py
index f5c8fec..f7b06cf 100644
--- a/client_manager.py
+++ b/client_manager.py
@@ -11,7 +11,6 @@ from .crud import (
     get_config_for_all_active_relays,
     get_event,
     get_events,
-    get_prunable_events,
     get_storage_for_public_key,
     mark_events_deleted,
     prune_old_events,
diff --git a/crud.py b/crud.py
index 6a859b9..14a1016 100644
--- a/crud.py
+++ b/crud.py
@@ -2,11 +2,10 @@ import json
 from typing import Any, List, Optional, Tuple
 
 from . import db
-from .models import NostrEvent, NostrFilter, NostrRelay, RelayPublicSpec, RelaySpec
+from .models import NostrAccount, NostrEvent, NostrFilter, NostrRelay, RelayPublicSpec, RelaySpec
 
 ########################## RELAYS ####################
 
-
 async def create_relay(user_id: str, r: NostrRelay) -> NostrRelay:
     await db.execute(
         """
@@ -318,3 +317,58 @@ def build_select_events_query(relay_id: str, filter: NostrFilter):
         query += f" LIMIT {filter.limit}"
 
     return query, values
+
+
+
+########################## ACCOUNTS ####################
+
+async def create_account(relay_id: str, a: NostrAccount) -> NostrAccount:
+    await db.execute(
+        """
+        INSERT INTO nostrrelay.accounts (relay_id, pubkey, sats, storage, paid_to_join, allowed, blocked)
+        VALUES (?, ?, ?, ?, ?, ?, ?)
+        """,
+        (
+            relay_id,
+            a.pubkey,
+            a.sats,
+            a.storage,
+            a.paid_to_join,
+            a.allowed,
+            a.blocked,
+        ),
+    )
+    account = await get_account(relay_id, a.pubkey)
+    assert account, "Created account cannot be retrieved"
+    return account
+
+
+async def update_account(relay_id: str, a: NostrAccount) -> NostrAccount:
+    await db.execute(
+        """
+        UPDATE nostrrelay.accounts
+        SET (sats, storage, paid_to_join, allowed, blocked) = (?, ?, ?, ?, ?)
+        WHERE relay_id = ? AND pubkey = ?
+        """,
+        (
+            a.sats,
+            a.storage,
+            a.paid_to_join,
+            a.allowed,
+            a.blocked,
+            relay_id,
+            a.pubkey
+        ),
+    )
+
+    return a
+
+
+async def get_account(relay_id: str, pubkey: str,) -> Optional[NostrAccount]:
+    row = await db.fetchone(
+        "SELECT * FROM nostrrelay.accounts WHERE relay_id = ? AND pubkey = ?",
+        (relay_id, pubkey),
+    )
+
+    return NostrAccount.from_row(row) if row else None
+
diff --git a/migrations.py b/migrations.py
index e4837e8..6c122cc 100644
--- a/migrations.py
+++ b/migrations.py
@@ -45,3 +45,17 @@ async def m001_initial(db):
         );
         """
     )
+
+    await db.execute(
+        f"""
+        CREATE TABLE nostrrelay.accounts (
+            relay_id TEXT NOT NULL,
+            pubkey TEXT NOT NULL,
+            sats {db.big_int} DEFAULT 0,
+            storage {db.big_int} DEFAULT 0,
+            paid_to_join BOOLEAN DEFAULT false,
+            allowed BOOLEAN DEFAULT false,
+            blocked BOOLEAN DEFAULT false
+        );
+        """
+    )
diff --git a/models.py b/models.py
index 47c3dde..071c3fe 100644
--- a/models.py
+++ b/models.py
@@ -310,3 +310,16 @@ class NostrFilter(BaseModel):
 class RelayJoin(BaseModel):
     relay_id: str
     pubkey: str
+
+
+class NostrAccount(BaseModel):
+    pubkey: str
+    sats = 0
+    storage = 0
+    paid_to_join = False
+    allowed = False
+    blocked = False
+
+    @classmethod
+    def from_row(cls, row: Row) -> "NostrAccount":
+        return cls(**dict(row))
\ No newline at end of file
diff --git a/tasks.py b/tasks.py
new file mode 100644
index 0000000..11dbc50
--- /dev/null
+++ b/tasks.py
@@ -0,0 +1,48 @@
+import asyncio
+import re
+
+from loguru import logger
+
+from lnbits.core.models import Payment
+from lnbits.extensions.nostrrelay.models import NostrAccount
+from lnbits.helpers import get_current_extension_name
+from lnbits.tasks import register_invoice_listener
+
+from .crud import create_account, get_account, update_account
+
+
+async def wait_for_paid_invoices():
+    invoice_queue = asyncio.Queue()
+    register_invoice_listener(invoice_queue, get_current_extension_name())
+
+    while True:
+        payment = await invoice_queue.get()
+        await on_invoice_paid(payment)
+
+
+async def on_invoice_paid(payment: Payment):
+    if payment.extra.get("tag") != "nostrrely":
+        return
+
+    relay_id = payment.extra.get("relay_id")
+    pubkey = payment.extra.get("pubkey")
+
+    if payment.extra.get("action") == "join":
+        await invoice_paid_to_join(relay_id, pubkey)
+        return
+
+async def invoice_paid_to_join(relay_id: str, pubkey: str):
+    try:
+        account = await get_account(relay_id, pubkey)
+        if not account:
+            await create_account(relay_id, NostrAccount(pubkey=pubkey, paid_to_join=True))
+            return
+        
+        if account.blocked or account.paid_to_join:
+            return
+
+        account.paid_to_join = True
+        await update_account(relay_id, account)
+
+    except Exception as ex:
+        logger.warning(ex)
\ No newline at end of file
diff --git a/views_api.py b/views_api.py
index e4ad15f..d5f98c9 100644
--- a/views_api.py
+++ b/views_api.py
@@ -176,7 +176,7 @@ async def api_pay_to_join(data: RelayJoin):
             extra={
                 "tag": "nostrrely",
                 "action": "join",
-                "relay": relay.id,
+                "relay_id": relay.id,
                 "pubkey": pubkey,
             },
         )