diff --git a/lunarapi/api.py b/lunarapi/api.py
index dea1a37..0ff36b7 100644
--- a/lunarapi/api.py
+++ b/lunarapi/api.py
@@ -1,25 +1,29 @@
 from __future__ import annotations
+from typing import TYPE_CHECKING, Any, Callable, Dict, Generic, Literal, Type, TypeVar
 
-from typing import Any, Callable, Generic, ParamSpec, Type, TypeVar
-
-from aiohttp import ClientSession
 from yarl import URL
 
-from . import models
+if TYPE_CHECKING:
+    from typing_extensions import ParamSpec
+    from aiohttp import ClientSession
+    from .models import BaseModel
+
+if TYPE_CHECKING:
+    P = ParamSpec('P')
+else:
+    P = TypeVar('P')
 
 __all__ = "Client", "Endpoint", "ep"
 
 BASE = "https://api.lunardev.group/"
 
-T = TypeVar("T", bound=models.BaseModel)
-P = ParamSpec("P")
+ModalT = TypeVar("ModalT", bound="BaseModel")
 
-
-class Endpoint(Generic[T, P]):
-    def __init__(self, route: str, *, model: Type[T], fn: Callable[P, Any]):
-        self.url = URL(BASE + route)
-        self.model = model
-        self.fn = fn
+class Endpoint(Generic[ModalT, P]):
+    def __init__(self, route: str, *, model: Type[ModalT], fn: Callable[P, Any]) -> None:
+        self.url: URL = URL(BASE + route)
+        self.model: Type[ModalT] = model
+        self.fn: Callable[P, Any] = fn
 
     async def request(
         self,
@@ -27,26 +31,25 @@ async def request(
         headers: dict[str, str],
         *args: P.args,
         **kwargs: P.kwargs,
-    ) -> T:
+    ) -> ModalT:
         url = self.url.with_query(**kwargs) if kwargs else self.url
         resp = await session.get(url, headers=headers)
         return self.model(resp)
 
-
-def ep(route: str, model: Type[T]):
-    def inner(fn: Callable[P, Any]) -> Endpoint[T, P]:
+def ep(route: str, model: Type[ModalT]) -> Callable[[Callable[P, Any]], Endpoint[ModalT, P]]:
+    def inner(fn: Callable[P, Any]) -> Endpoint[ModalT, P]:
         return Endpoint(route, model=model, fn=fn)
 
     return inner
 
 
 class Client:
-    def __init__(self, *, session: ClientSession, token: str):
-        self._session = session
-        self.__headers = {"Authorization": f"Bearer {token}"}
+    def __init__(self, *, session: ClientSession, token: str) -> None:
+        self._session: ClientSession = session
+        self.__headers: Dict[Literal["Authorization"], str] = {"Authorization": f"Bearer {token}"}
 
     async def request(
-        self, endpoint: Endpoint[T, P], *args: P.args, **kwargs: P.kwargs
-    ):
+        self, endpoint: Endpoint[ModalT, P], *args: P.args, **kwargs: P.kwargs
+    ) -> ModalT:
         res = await endpoint.request(self._session, self.__headers, *args, **kwargs)
         return res
diff --git a/lunarapi/endpoints.py b/lunarapi/endpoints.py
index 7edfcde..7bf6251 100644
--- a/lunarapi/endpoints.py
+++ b/lunarapi/endpoints.py
@@ -1,10 +1,10 @@
-from typing import Literal, Optional
+from typing import Any, Literal, Optional
 
 from . import models
 from .api import Endpoint, ep
 
 @ep("gen/welcome", models.Image)
-def generate_welcome(avatar: str, username: str, members: str, dev: any):
+def generate_welcome(avatar: str, username: str, members: str, dev: Any):
     ...
 
 @ep("gen/achievement", models.Image)
diff --git a/lunarapi/models.py b/lunarapi/models.py
index 5f09a8d..09f85b0 100644
--- a/lunarapi/models.py
+++ b/lunarapi/models.py
@@ -1,23 +1,35 @@
+from __future__ import annotations
+from typing import TYPE_CHECKING, Any
+
 from io import BytesIO
 import aiohttp
 
+if TYPE_CHECKING:
+    from typing import Callable, Protocol, Union
+
+    from aiohttp import ClientResponse
+
+    class DiscordT(Protocol):
+        File: Callable[[Union[BytesIO, Any], str], Any]
+else:
+    DiscordT: Any
 class BaseModel:
-    def __init__(self, response: aiohttp.ClientResponse):
-        self.response = response
+    def __init__(self, response: ClientResponse) -> None:
+        self.response: ClientResponse = response
 
 
 class Image(BaseModel):
-    async def bytes(self):
+    async def bytes(self) -> bytes:
         return await self.response.read()
     
-    async def file(self, discord):  # sourcery skip: avoid-builtin-shadow
+    async def file(self, module: DiscordT):  # sourcery skip: avoid-builtin-shadow
         b = await self.response.read()
-        return discord.File(BytesIO(b), "image.png")
+        return module.File(BytesIO(b), "image.png")
 
-    async def save(self, fp: str):
+    async def save(self, fp: str) -> None:
         with open(fp, "wb") as f:
             f.write(await self.bytes())
 
 class JSON(BaseModel):
-    async def to_dict(self):
+    async def to_dict(self) -> dict[Any, Any]:
         return await self.response.json()
diff --git a/pyproject.toml b/pyproject.toml
index de8d691..efbb6b9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,10 +9,11 @@ documentation = "https://docs.lunardev.group/"
 keywords = ["discord", "api", "wrapper"]
 
 [tool.poetry.dependencies]
-python = "^3.10"
+python = "^3.8"
 aiohttp = ">=3.6.0,<3.8.0"
 python-dotenv = "^0.20.0"
 Pillow = "^9.2.0"
+typing-extensions = {version = ">=4.1.0,<4.3.0", python = ">=3.8,<3.9"}
 
 [tool.poetry.dev-dependencies]
 pytest = "^5.2"