diff --git a/schemas/auth.py b/schemas/auth.py
new file mode 100644
index 0000000..7d5d7bf
--- /dev/null
+++ b/schemas/auth.py
@@ -0,0 +1,31 @@
+from pydantic import BaseModel, Field
+from datetime import datetime
+from typing import Optional
+
+class AuthBase(BaseModel):
+    user_id: str = Field(..., description="User ID associated with the auth token")
+    token: str = Field(..., description="Authentication token")
+    is_blacklisted: bool = Field(default=False, description="Token blacklist status")
+    expires_at: datetime = Field(..., description="Token expiration timestamp")
+
+class AuthCreate(AuthBase):
+    class Config:
+        schema_extra = {
+            "example": {
+                "user_id": "user123",
+                "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
+                "expires_at": "2024-01-01T00:00:00Z"
+            }
+        }
+
+class Auth(AuthBase):
+    class Config:
+        orm_mode = True
+        schema_extra = {
+            "example": {
+                "user_id": "user123",
+                "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
+                "is_blacklisted": False,
+                "expires_at": "2024-01-01T00:00:00Z"
+            }
+        }
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