diff --git a/LICENSE b/LICENSE
index 0402a92..cf400b7 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The 3-Clause BSD License
 
-Copyright 2025 Ivan Golikov
+Copyright 2022 Ivan Golikov
 
 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 
diff --git a/README.md b/README.md
index 82bac32..24e58c8 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,6 @@
 # Pssecret server
 
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
-[![PyPI - Downloads](https://img.shields.io/pypi/dm/pssecret-server?label=PyPI%20downloads)](https://pypi.org/project/pssecret-server/)
 
 Pssecret is self-hosted service to share secrets (like passwords) with somebody
 over the network, but don't want them to appear in chats, unencrypted e-mails, etc.
@@ -51,7 +50,6 @@ Available configuration options:
 --uds TEXT         Bind to a UNIX domain socket.
 --workers INTEGER  Number of worker processes.  Defaults to the
                    $WEB_CONCURRENCY environment variable if available, or 1.
---version          Show the version and exit.
 --help             Show this message and exit.
 ```
 
diff --git a/poetry.lock b/poetry.lock
index b98aab9..5da5f82 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.5 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.4 and should not be changed by hand.
 
 [[package]]
 name = "annotated-types"
@@ -186,7 +186,6 @@ files = [
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@@ -197,7 +196,6 @@ files = [
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@@ -235,6 +233,23 @@ files = [
     {file = "decorator-5.1.1.tar.gz", hash = "sha256:637996211036b6385ef91435e4fae22989472f9d571faba8927ba8253acbc330"},
 ]
 
+[[package]]
+name = "deprecated"
+version = "1.2.15"
+description = "Python @deprecated decorator to deprecate old python classes, functions or methods."
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+files = [
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+    {file = "deprecated-1.2.15.tar.gz", hash = "sha256:683e561a90de76239796e6b6feac66b99030d2dd3fcf61ef996330f14bbb9b0d"},
+]
+
+[package.dependencies]
+wrapt = ">=1.10,<2"
+
+[package.extras]
+dev = ["PyTest", "PyTest-Cov", "bump2version (<1)", "jinja2 (>=3.0.3,<3.1.0)", "setuptools", "sphinx (<2)", "tox"]
+
 [[package]]
 name = "dnspython"
 version = "2.7.0"
@@ -671,6 +686,34 @@ MarkupSafe = ">=2.0"
 [package.extras]
 i18n = ["Babel (>=2.7)"]
 
+[[package]]
+name = "limits"
+version = "3.14.1"
+description = "Rate limiting utilities"
+optional = false
+python-versions = ">=3.9"
+files = [
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+]
+
+[package.dependencies]
+deprecated = ">=1.2"
+packaging = ">=21,<25"
+typing-extensions = "*"
+
+[package.extras]
+all = ["aetcd", "coredis (>=3.4.0,<5)", "emcache (>=0.6.1)", "emcache (>=1)", "etcd3", "motor (>=3,<4)", "pymemcache (>3,<5.0.0)", "pymongo (>4.1,<5)", "redis (>3,!=4.5.2,!=4.5.3,<6.0.0)", "redis (>=4.2.0,!=4.5.2,!=4.5.3)"]
+async-etcd = ["aetcd"]
+async-memcached = ["emcache (>=0.6.1)", "emcache (>=1)"]
+async-mongodb = ["motor (>=3,<4)"]
+async-redis = ["coredis (>=3.4.0,<5)"]
+etcd = ["etcd3"]
+memcached = ["pymemcache (>3,<5.0.0)"]
+mongodb = ["pymongo (>4.1,<5)"]
+redis = ["redis (>3,!=4.5.2,!=4.5.3,<6.0.0)"]
+rediscluster = ["redis (>=4.2.0,!=4.5.2,!=4.5.3)"]
+
 [[package]]
 name = "markdown-it-py"
 version = "3.0.0"
@@ -1298,6 +1341,23 @@ files = [
     {file = "six-1.17.0.tar.gz", hash = "sha256:ff70335d468e7eb6ec65b95b99d3a2836546063f63acc5171de367e834932a81"},
 ]
 
+[[package]]
+name = "slowapi"
+version = "0.1.9"
+description = "A rate limiting extension for Starlette and Fastapi"
+optional = false
+python-versions = ">=3.7,<4.0"
+files = [
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+]
+
+[package.dependencies]
+limits = ">=2.3"
+
+[package.extras]
+redis = ["redis (>=3.4.1,<4.0.0)"]
+
 [[package]]
 name = "sniffio"
 version = "1.3.1"
@@ -1636,10 +1696,84 @@ files = [
     {file = "websockets-14.1.tar.gz", hash = "sha256:398b10c77d471c0aab20a845e7a60076b6390bfdaac7a6d2edb0d2c59d75e8d8"},
 ]
 
+[[package]]
+name = "wrapt"
+version = "1.17.0"
+description = "Module for decorators, wrappers and monkey patching."
+optional = false
+python-versions = ">=3.8"
+files = [
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+    {file = "wrapt-1.17.0.tar.gz", hash = "sha256:16187aa2317c731170a88ef35e8937ae0f533c402872c1ee5e6d079fcf320801"},
+]
+
 [extras]
 hiredis = ["hiredis"]
 
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "0da53315dee1155cfa3ec180a9120b32145497e290f13e17e481597179e2c993"
+content-hash = "3f863c00e5297f07e4691a38ef1b81c1428e114bbd9001d5340608cb3f6b70b2"
diff --git a/pssecret_server/cli.py b/pssecret_server/cli.py
index 359fc19..ca89451 100644
--- a/pssecret_server/cli.py
+++ b/pssecret_server/cli.py
@@ -1,5 +1,3 @@
-from importlib.metadata import version
-
 import click
 import uvicorn
 
@@ -23,6 +21,5 @@ import uvicorn
     ),
     type=int,
 )
-@click.version_option(version("pssecret_server"))
 def cli(**kwargs) -> None:
     uvicorn.run("pssecret_server.main:app", **kwargs)
diff --git a/pssecret_server/main.py b/pssecret_server/main.py
index 21feda8..6c90499 100644
--- a/pssecret_server/main.py
+++ b/pssecret_server/main.py
@@ -8,7 +8,7 @@ from redis.asyncio import Redis
 from pssecret_server.fernet import get_fernet
 from pssecret_server.models import Secret, SecretSaveResult
 from pssecret_server.redis_db import get_redis
-from pssecret_server.utils import decrypt_secret, encrypt_secret, getdel, save_secret
+from pssecret_server.utils import decrypt_secret, encrypt_secret, save_secret
 
 app = FastAPI()
 
@@ -49,7 +49,7 @@ async def set_secret(
 async def get_secret(
     secret_key: str, redis: RedisDep, fernet: FernetDep
 ) -> dict[str, bytes]:
-    data: bytes | None = await getdel(redis, secret_key)
+    data: bytes | None = await redis.getdel(secret_key)
 
     if data is None:
         raise HTTPException(404)
diff --git a/pssecret_server/models.py b/pssecret_server/models.py
index 3298354..aa64d3e 100644
--- a/pssecret_server/models.py
+++ b/pssecret_server/models.py
@@ -2,7 +2,7 @@ from pydantic import BaseModel, Field
 
 
 class Secret(BaseModel):
-    data: str = Field(title="Secret", description="Some secret data", min_length=1)
+    data: str = Field(title="Secret", description="Some secret data")
 
 
 class SecretSaveResult(BaseModel):
diff --git a/pssecret_server/settings.py b/pssecret_server/settings.py
index 86ffa9c..ae7fffe 100644
--- a/pssecret_server/settings.py
+++ b/pssecret_server/settings.py
@@ -3,7 +3,7 @@ from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
 class Settings(BaseSettings):
-    model_config = SettingsConfigDict(env_file=".env", extra="ignore")
+    model_config = SettingsConfigDict(env_file=".env")
 
     redis_url: RedisDsn = RedisDsn("redis://localhost")
     secrets_encryption_key: bytes
diff --git a/pssecret_server/utils.py b/pssecret_server/utils.py
index ea10ef5..e57b710 100644
--- a/pssecret_server/utils.py
+++ b/pssecret_server/utils.py
@@ -1,10 +1,7 @@
-from functools import lru_cache
 from uuid import uuid4
 
 from cryptography.fernet import Fernet
 from redis.asyncio import Redis
-from redis.exceptions import ResponseError
-from redis.typing import ResponseT
 
 from pssecret_server.models import Secret
 
@@ -33,35 +30,3 @@ async def save_secret(data: Secret, redis: Redis) -> str:
     await redis.setex(new_key, 60 * 60 * 24, data.data)
 
     return new_key
-
-
-@lru_cache
-async def _is_getdel_available(redis: Redis) -> bool:
-    """Checks the availability of GETDEL command on the Redis server instance
-
-    GETDEL is not available in Redis prior to version 6.2
-    """
-    try:
-        await redis.getdel("test:getdel:availability")
-    except ResponseError:
-        return False
-
-    return True
-
-
-async def getdel(redis: Redis, key: str) -> ResponseT:
-    """Gets the value of key and deletes the key
-
-    Depending on the capabilities of Redis server this function
-    will either call GETDEL command, either first call GETSET with empty string
-    and DEL right after that.
-    """
-    result: ResponseT
-
-    if await _is_getdel_available(redis):
-        result = await redis.getdel(key)
-    else:
-        result = await redis.getset(key, "")
-        await redis.delete(key)
-
-    return result
diff --git a/pyproject.toml b/pyproject.toml
index e01efcb..357fed8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pssecret-server"
-version = "1.1.2"
+version = "0.0.1"
 description = "API service for secrets sharing over network"
 authors = ["Ivan Golikov <root@ivnglkv.me>"]
 license = "BSD-3-Clause"
@@ -9,14 +9,12 @@ homepage = "https://git.ivnglkv.me/root/pssecret-server"
 repository = "https://git.ivnglkv.me/root/pssecret-server"
 documentation = "https://git.ivnglkv.me/root/pssecret-server/wiki"
 classifiers = [
-  "Development Status :: 5 - Production/Stable",
+  "Development Status :: 2 - Pre-Alpha",
   "Environment :: Web Environment",
   "Framework :: FastAPI",
   "Intended Audience :: Information Technology",
   "Operating System :: OS Independent",
   "Programming Language :: Python :: 3.11",
-  "Programming Language :: Python :: 3.12",
-  "Programming Language :: Python :: 3.13",
   "Topic :: Internet :: WWW/HTTP :: WSGI :: Application"
 ]
 
@@ -31,6 +29,7 @@ fastapi = { version = "0.115.6", extras = [ "standard" ] }
 redis = "5.2.1"
 hiredis = { version = "3.1.0", optional = true }
 cryptography = "^44"
+slowapi = "^0.1.9"
 
 [tool.poetry.extras]
 hiredis = ["hiredis"]
@@ -53,6 +52,3 @@ reportUnusedCallResult = "none"
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"
-
-[tool.isort]
-profile = "black"
diff --git a/tests/integration/test_api.py b/tests/integration/test_api.py
index 9d5f161..22303b2 100644
--- a/tests/integration/test_api.py
+++ b/tests/integration/test_api.py
@@ -3,13 +3,6 @@ from fastapi.testclient import TestClient
 from tests.factories import SecretFactory
 
 
-def test_empty_secret_is_not_accepted(client: TestClient):
-    response = client.post("/secret", json={"data": ""})
-
-    assert response.status_code == 422
-    assert "data" in response.text
-
-
 def test_store_secret_returns_key(client: TestClient):
     response = client.post("/secret", json=dict(SecretFactory().build()))
 
diff --git a/tests/integration/test_utils.py b/tests/integration/test_utils.py
index c7d54b0..bef19c4 100644
--- a/tests/integration/test_utils.py
+++ b/tests/integration/test_utils.py
@@ -1,9 +1,8 @@
-from unittest.mock import AsyncMock, patch
+from unittest.mock import patch
 
-import pytest
 from redis.asyncio import Redis
 
-from pssecret_server.utils import get_new_key, getdel, save_secret
+from pssecret_server.utils import get_new_key, save_secret
 
 from ..factories import SecretFactory
 
@@ -34,22 +33,3 @@ async def test_save_secret_data(redis_server: Redis) -> None:
 
     assert redis_data is not None
     assert redis_data.decode() == secret.data
-
-
-@pytest.mark.parametrize("getdel_available", [True, False])
-@patch("pssecret_server.utils._is_getdel_available", new_callable=AsyncMock)
-async def test_getdel(
-    mock_is_getdel_available: AsyncMock,
-    getdel_available: bool,
-    redis_server: Redis,
-) -> None:
-    mock_is_getdel_available.return_value = getdel_available
-
-    test_value = "test_data"
-    test_key = "test_key"
-    await redis_server.set(test_key, test_value)
-
-    result = await getdel(redis_server, test_key)
-
-    assert result.decode() == test_value  # pyright: ignore[reportAttributeAccessIssue]
-    assert not await redis_server.exists(test_key)
diff --git a/tests/unit/test_utils.py b/tests/unit/test_utils.py
index 0fa6100..de2984b 100644
--- a/tests/unit/test_utils.py
+++ b/tests/unit/test_utils.py
@@ -1,10 +1,7 @@
-from unittest.mock import AsyncMock
-
 import pytest
 from cryptography.fernet import Fernet, InvalidToken
-from redis.exceptions import ResponseError
 
-from pssecret_server.utils import _is_getdel_available, decrypt_secret, encrypt_secret
+from pssecret_server.utils import decrypt_secret, encrypt_secret
 
 from ..factories import SecretFactory
 
@@ -32,17 +29,3 @@ def test_secret_is_not_decryptable_by_random_key(fernet: Fernet):
 
     with pytest.raises(InvalidToken):
         decrypt_secret(encrypted_secret.data.encode(), random_fernet)
-
-
-@pytest.mark.parametrize(
-    ("getdel_effect", "expected_result"), [(None, True), (ResponseError, False)]
-)
-async def test_is_getdel_available(
-    getdel_effect: ResponseError | None, expected_result: bool
-):
-    redis = AsyncMock()
-    redis.getdel.side_effect = getdel_effect  # pyright: ignore[reportAny]
-
-    result = await _is_getdel_available(redis)
-
-    assert result is expected_result