diff --git a/endpoints/core/types/auth.py b/endpoints/core/types/auth.py
index b8f3aa2..070ac88 100644
--- a/endpoints/core/types/auth.py
+++ b/endpoints/core/types/auth.py
@@ -1,7 +1,7 @@
 """Types for auth requests."""
 
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 
 
 class AuthPermissionResponse(BaseModel):
-    permission: str
+    permission: str = Field(description="The permission level of the API key")
diff --git a/endpoints/core/types/download.py b/endpoints/core/types/download.py
index cf49501..a5d7370 100644
--- a/endpoints/core/types/download.py
+++ b/endpoints/core/types/download.py
@@ -1,5 +1,5 @@
 from pydantic import BaseModel, Field
-from typing import List, Optional
+from typing import List, Literal, Optional
 
 
 def _generate_include_list():
@@ -9,18 +9,45 @@ def _generate_include_list():
 class DownloadRequest(BaseModel):
     """Parameters for a HuggingFace repo download."""
 
-    repo_id: str
-    repo_type: str = "model"
-    folder_name: Optional[str] = None
-    revision: Optional[str] = None
-    token: Optional[str] = None
-    include: List[str] = Field(default_factory=_generate_include_list)
-    exclude: List[str] = Field(default_factory=list)
-    chunk_limit: Optional[int] = None
-    timeout: Optional[int] = None
+    repo_id: str = Field(
+        description="The repo ID to download from",
+        examples=[
+            "royallab/TinyLlama-1.1B-2T-exl2",
+            "royallab/LLaMA2-13B-TiefighterLR-exl2",
+            "turboderp/Llama-3.1-8B-Instruct-exl2",
+        ],
+    )
+    repo_type: Literal["model", "lora"] = Field("model", description="The model type")
+    folder_name: Optional[str] = Field(
+        default=None,
+        description="The folder name to save the repo to "
+        + "(this is used to load the model)",
+    )
+    revision: Optional[str] = Field(
+        default=None, description="The revision to download from"
+    )
+    token: Optional[str] = Field(
+        default=None,
+        description="The HuggingFace API token to use, "
+        + "required for private/gated repos",
+    )
+    include: List[str] = Field(
+        default_factory=_generate_include_list,
+        description="A list of file patterns to include in the download",
+    )
+    exclude: List[str] = Field(
+        default_factory=list,
+        description="A list of file patterns to exclude from the download",
+    )
+    chunk_limit: Optional[int] = Field(
+        None, description="The maximum chunk size to download in bytes"
+    )
+    timeout: Optional[int] = Field(
+        None, description="The timeout for the download in seconds"
+    )
 
 
 class DownloadResponse(BaseModel):
     """Response for a download request."""
 
-    download_path: str
+    download_path: str = Field(description="The path to the downloaded repo")
diff --git a/endpoints/core/types/template.py b/endpoints/core/types/template.py
index d72d621..c093291 100644
--- a/endpoints/core/types/template.py
+++ b/endpoints/core/types/template.py
@@ -12,4 +12,4 @@ class TemplateList(BaseModel):
 class TemplateSwitchRequest(BaseModel):
     """Request to switch a template."""
 
-    name: str
+    name: str = Field(description="The name of the template to switch to")
diff --git a/endpoints/core/types/token.py b/endpoints/core/types/token.py
index 945adbf..87f3f02 100644
--- a/endpoints/core/types/token.py
+++ b/endpoints/core/types/token.py
@@ -1,15 +1,17 @@
 """Tokenization types"""
 
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 from typing import Dict, List, Union
 
 
 class CommonTokenRequest(BaseModel):
     """Represents a common tokenization request."""
 
-    add_bos_token: bool = True
-    encode_special_tokens: bool = True
-    decode_special_tokens: bool = True
+    add_bos_token: bool = Field(
+        True, description="Add the BOS (beginning of sequence) token"
+    )
+    encode_special_tokens: bool = Field(True, description="Encode special tokens")
+    decode_special_tokens: bool = Field(True, description="Decode special tokens")
 
     def get_params(self):
         """Get the parameters for tokenization."""
@@ -23,29 +25,29 @@ def get_params(self):
 class TokenEncodeRequest(CommonTokenRequest):
     """Represents a tokenization request."""
 
-    text: Union[str, List[Dict[str, str]]]
+    text: Union[str, List[Dict[str, str]]] = Field(description="The string to encode")
 
 
 class TokenEncodeResponse(BaseModel):
     """Represents a tokenization response."""
 
-    tokens: List[int]
-    length: int
+    tokens: List[int] = Field(description="The tokens")
+    length: int = Field(description="The length of the tokens")
 
 
 class TokenDecodeRequest(CommonTokenRequest):
     """ " Represents a detokenization request."""
 
-    tokens: List[int]
+    tokens: List[int] = Field(description="The string to encode")
 
 
 class TokenDecodeResponse(BaseModel):
     """Represents a detokenization response."""
 
-    text: str
+    text: str = Field(description="The decoded text")
 
 
 class TokenCountResponse(BaseModel):
     """Represents a token count response."""
 
-    length: int
+    length: int = Field(description="The length of the text")