diff --git a/spoolman/api/v1/filament.py b/spoolman/api/v1/filament.py
index 0c80a8e..6d8251e 100644
--- a/spoolman/api/v1/filament.py
+++ b/spoolman/api/v1/filament.py
@@ -29,29 +29,60 @@ class FilamentParameters(BaseModel):
             "Filament name, to distinguish this filament type among others from the same vendor."
             "Should contain its color for example."
         ),
+        example="PolyTerra™ Charcoal Black",
     )
     vendor_id: Optional[int] = Field(description="The ID of the vendor of this filament type.")
-    material: Optional[str] = Field(max_length=64, description="The material of this filament, e.g. PLA.")
-    price: Optional[float] = Field(ge=0, description="The price of this filament in the system configured currency.")
-    density: float = Field(gt=0, description="The density of this filament in g/cm3.")
-    diameter: float = Field(gt=0, description="The diameter of this filament in mm.")
-    weight: Optional[float] = Field(gt=0, description="The weight of the filament in a full spool.")
-    spool_weight: Optional[float] = Field(gt=0, description="The empty spool weight.")
-    article_number: Optional[str] = Field(max_length=64, description="Vendor article number, e.g. EAN, QR code, etc.")
-    comment: Optional[str] = Field(max_length=1024, description="Free text comment about this filament type.")
+    material: Optional[str] = Field(
+        max_length=64,
+        description="The material of this filament, e.g. PLA.",
+        example="PLA",
+    )
+    price: Optional[float] = Field(
+        ge=0,
+        description="The price of this filament in the system configured currency.",
+        example=20.0,
+    )
+    density: float = Field(gt=0, description="The density of this filament in g/cm3.", example=1.24)
+    diameter: float = Field(gt=0, description="The diameter of this filament in mm.", example=1.75)
+    weight: Optional[float] = Field(
+        gt=0,
+        description="The weight of the filament in a full spool, in grams. (net weight)",
+        example=1000,
+    )
+    spool_weight: Optional[float] = Field(gt=0, description="The empty spool weight, in grams.", example=140)
+    article_number: Optional[str] = Field(
+        max_length=64,
+        description="Vendor article number, e.g. EAN, QR code, etc.",
+        example="PM70820",
+    )
+    comment: Optional[str] = Field(
+        max_length=1024,
+        description="Free text comment about this filament type.",
+        example="",
+    )
 
 
 class FilamentUpdateParameters(FilamentParameters):
-    density: Optional[float] = Field(gt=0, description="The density of this filament in g/cm3.")
-    diameter: Optional[float] = Field(gt=0, description="The diameter of this filament in mm.")
+    density: Optional[float] = Field(gt=0, description="The density of this filament in g/cm3.", example=1.24)
+    diameter: Optional[float] = Field(gt=0, description="The diameter of this filament in mm.", example=1.75)
 
 
-@router.get("/")
+@router.get(
+    "/",
+    name="Find filaments",
+    description="Get a list of filaments that matches the search query.",
+    response_model_exclude_none=True,
+)
 async def find(_vendor: Union[int, None] = None) -> list[Filament]:
     return []
 
 
-@router.get("/{filament_id}")
+@router.get(
+    "/{filament_id}",
+    name="Get filament",
+    description="Get a specific filament.",
+    response_model_exclude_none=True,
+)
 async def get(
     db: Annotated[AsyncSession, Depends(get_db_session)],
     filament_id: int,
@@ -60,7 +91,12 @@ async def get(
     return Filament.from_db(db_item)
 
 
-@router.post("/")
+@router.post(
+    "/",
+    name="Add filament",
+    description="Add a new filament to the database.",
+    response_model_exclude_none=True,
+)
 async def create(
     db: Annotated[AsyncSession, Depends(get_db_session)],
     body: FilamentParameters,
@@ -82,7 +118,12 @@ async def create(
     return Filament.from_db(db_item)
 
 
-@router.patch("/{filament_id}")
+@router.patch(
+    "/{filament_id}",
+    name="Update filament",
+    description="Update any attribute of a filament. Only fields specified in the request will be affected.",
+    response_model_exclude_none=True,
+)
 async def update(
     db: Annotated[AsyncSession, Depends(get_db_session)],
     filament_id: int,
@@ -106,6 +147,8 @@ async def update(
 
 @router.delete(
     "/{filament_id}",
+    name="Delete filament",
+    description="Delete a filament.",
     response_model=Message,
     responses={
         403: {"model": Message},
diff --git a/spoolman/api/v1/models.py b/spoolman/api/v1/models.py
index 424779b..331119c 100644
--- a/spoolman/api/v1/models.py
+++ b/spoolman/api/v1/models.py
@@ -14,8 +14,8 @@ class Message(BaseModel):
 
 class Vendor(BaseModel):
     id: int = Field(description="Unique internal ID of this vendor.")
-    name: str = Field(max_length=64, description="Vendor name.")
-    comment: Optional[str] = Field(max_length=1024, description="Free text comment about this vendor.")
+    name: str = Field(max_length=64, description="Vendor name.", example="Polymaker")
+    comment: Optional[str] = Field(max_length=1024, description="Free text comment about this vendor.", example="")
 
     @staticmethod
     def from_db(item: models.Vendor) -> "Vendor":
@@ -35,16 +35,37 @@ class Filament(BaseModel):
             "Filament name, to distinguish this filament type among others from the same vendor."
             "Should contain its color for example."
         ),
+        example="PolyTerra™ Charcoal Black",
     )
     vendor: Optional[Vendor] = Field(description="The vendor of this filament type.")
-    material: Optional[str] = Field(max_length=64, description="The material of this filament, e.g. PLA.")
-    price: Optional[float] = Field(ge=0, description="The price of this filament in the system configured currency.")
-    density: float = Field(gt=0, description="The density of this filament in g/cm3.")
-    diameter: float = Field(gt=0, description="The diameter of this filament in mm.")
-    weight: Optional[float] = Field(gt=0, description="The weight of the filament in a full spool.")
-    spool_weight: Optional[float] = Field(gt=0, description="The empty spool weight.")
-    article_number: Optional[str] = Field(max_length=64, description="Vendor article number, e.g. EAN, QR code, etc.")
-    comment: Optional[str] = Field(max_length=1024, description="Free text comment about this filament type.")
+    material: Optional[str] = Field(
+        max_length=64,
+        description="The material of this filament, e.g. PLA.",
+        example="PLA",
+    )
+    price: Optional[float] = Field(
+        ge=0,
+        description="The price of this filament in the system configured currency.",
+        example=20.0,
+    )
+    density: float = Field(gt=0, description="The density of this filament in g/cm3.", example=1.24)
+    diameter: float = Field(gt=0, description="The diameter of this filament in mm.", example=1.75)
+    weight: Optional[float] = Field(
+        gt=0,
+        description="The weight of the filament in a full spool, in grams.",
+        example=1000,
+    )
+    spool_weight: Optional[float] = Field(gt=0, description="The empty spool weight, in grams.", example=140)
+    article_number: Optional[str] = Field(
+        max_length=64,
+        description="Vendor article number, e.g. EAN, QR code, etc.",
+        example="PM70820",
+    )
+    comment: Optional[str] = Field(
+        max_length=1024,
+        description="Free text comment about this filament type.",
+        example="",
+    )
 
     @staticmethod
     def from_db(item: models.Filament) -> "Filament":
@@ -70,10 +91,18 @@ class Spool(BaseModel):
     first_used: Optional[datetime] = Field(description="First logged occurence of spool usage.")
     last_used: Optional[datetime] = Field(description="Last logged occurence of spool usage.")
     filament: Filament = Field(description="The filament type of this spool.")
-    weight: float = Field(ge=0, description="Remaining weight of filament on the spool.")
-    location: Optional[str] = Field(max_length=64, description="Where this spool can be found.")
-    lot_nr: Optional[str] = Field(max_length=64, description="Vendor manufacturing lot/batch number of the spool.")
-    comment: Optional[str] = Field(max_length=1024, description="Free text comment about this specific spool.")
+    weight: float = Field(ge=0, description="Remaining weight of filament on the spool.", example=500)
+    location: Optional[str] = Field(max_length=64, description="Where this spool can be found.", example="Shelf A")
+    lot_nr: Optional[str] = Field(
+        max_length=64,
+        description="Vendor manufacturing lot/batch number of the spool.",
+        example="52342",
+    )
+    comment: Optional[str] = Field(
+        max_length=1024,
+        description="Free text comment about this specific spool.",
+        example="",
+    )
 
     @staticmethod
     def from_db(item: models.Spool) -> "Spool":
diff --git a/spoolman/api/v1/spool.py b/spoolman/api/v1/spool.py
index 754bcb8..72b7a55 100644
--- a/spoolman/api/v1/spool.py
+++ b/spoolman/api/v1/spool.py
@@ -33,10 +33,19 @@ class SpoolParameters(BaseModel):
             "Remaining weight of filament on the spool. "
             "Leave empty to assume a full spool based on the weight parameters of the filament type."
         ),
+        example=500,
+    )
+    location: Optional[str] = Field(max_length=64, description="Where this spool can be found.", example="Shelf A")
+    lot_nr: Optional[str] = Field(
+        max_length=64,
+        description="Vendor manufacturing lot/batch number of the spool.",
+        example="52342",
+    )
+    comment: Optional[str] = Field(
+        max_length=1024,
+        description="Free text comment about this specific spool.",
+        example="",
     )
-    location: Optional[str] = Field(max_length=64, description="Where this spool can be found.")
-    lot_nr: Optional[str] = Field(max_length=64, description="Vendor manufacturing lot/batch number of the spool.")
-    comment: Optional[str] = Field(max_length=1024, description="Free text comment about this specific spool.")
 
 
 class SpoolUpdateParameters(SpoolParameters):
@@ -44,16 +53,26 @@ class SpoolUpdateParameters(SpoolParameters):
 
 
 class SpoolUseParameters(BaseModel):
-    use_length: Optional[float] = Field(description="Length of filament to reduce by, in mm.")
-    use_weight: Optional[float] = Field(description="Filament weight to reduce by, in g.")
+    use_length: Optional[float] = Field(description="Length of filament to reduce by, in mm.", example=2.2)
+    use_weight: Optional[float] = Field(description="Filament weight to reduce by, in g.", example=5.3)
 
 
-@router.get("/")
+@router.get(
+    "/",
+    name="Find spool",
+    description="Get a list of spools that matches the search query.",
+    response_model_exclude_none=True,
+)
 async def find(_filament: Union[int, None] = None) -> list[Spool]:
     return []
 
 
-@router.get("/{spool_id}")
+@router.get(
+    "/{spool_id}",
+    name="Get spool",
+    description="Get a specific spool.",
+    response_model_exclude_none=True,
+)
 async def get(
     db: Annotated[AsyncSession, Depends(get_db_session)],
     spool_id: int,
@@ -64,6 +83,9 @@ async def get(
 
 @router.post(
     "/",
+    name="Add spool",
+    description="Add a new spool to the database.",
+    response_model_exclude_none=True,
     response_model=Spool,
     responses={
         400: {"model": Message},
@@ -92,7 +114,12 @@ async def create(  # noqa: ANN201
         )
 
 
-@router.patch("/{spool_id}")
+@router.patch(
+    "/{spool_id}",
+    name="Update spool",
+    description="Update any attribute of a spool. Only fields specified in the request will be affected.",
+    response_model_exclude_none=True,
+)
 async def update(
     db: Annotated[AsyncSession, Depends(get_db_session)],
     spool_id: int,
@@ -114,7 +141,11 @@ async def update(
     return Spool.from_db(db_item)
 
 
-@router.delete("/{spool_id}")
+@router.delete(
+    "/{spool_id}",
+    name="Delete spool",
+    description="Delete a spool.",
+)
 async def delete(
     db: Annotated[AsyncSession, Depends(get_db_session)],
     spool_id: int,
@@ -125,6 +156,13 @@ async def delete(
 
 @router.put(
     "/{spool_id}/use",
+    name="Use spool filament",
+    description=(
+        "Use some length or weight of filament from the spool."
+        " Specify either a length or a weight, not both."
+        " Will do nothing if the spool is empty (you have to keep track of that by yourself)."
+    ),
+    response_model_exclude_none=True,
     response_model=Spool,
     responses={
         400: {"model": Message},
diff --git a/spoolman/api/v1/vendor.py b/spoolman/api/v1/vendor.py
index a2f609f..1a76055 100644
--- a/spoolman/api/v1/vendor.py
+++ b/spoolman/api/v1/vendor.py
@@ -21,21 +21,39 @@ router = APIRouter(
 
 
 class VendorParameters(BaseModel):
-    name: str = Field(max_length=64, description="Vendor name.")
-    comment: Optional[str] = Field(max_length=1024, description="Free text comment about this vendor.")
+    name: str = Field(max_length=64, description="Vendor name.", example="Polymaker")
+    comment: Optional[str] = Field(
+        max_length=1024,
+        description="Free text comment about this vendor.",
+        example="",
+    )
 
 
 class VendorUpdateParameters(VendorParameters):
-    name: Optional[str] = Field(max_length=64, description="Vendor name.")
-    comment: Optional[str] = Field(max_length=1024, description="Free text comment about this vendor.")
+    name: Optional[str] = Field(max_length=64, description="Vendor name.", example="Polymaker")
+    comment: Optional[str] = Field(
+        max_length=1024,
+        description="Free text comment about this vendor.",
+        example="",
+    )
 
 
-@router.get("/")
+@router.get(
+    "/",
+    name="Find vendor",
+    description="Get a list of vendors that matches the search query.",
+    response_model_exclude_none=True,
+)
 async def find(_name: Union[int, None] = None) -> list[Vendor]:
     return []
 
 
-@router.get("/{vendor_id}")
+@router.get(
+    "/{vendor_id}",
+    name="Get vendor",
+    description="Get a specific vendor.",
+    response_model_exclude_none=True,
+)
 async def get(
     db: Annotated[AsyncSession, Depends(get_db_session)],
     vendor_id: int,
@@ -44,7 +62,12 @@ async def get(
     return Vendor.from_db(db_item)
 
 
-@router.post("/")
+@router.post(
+    "/",
+    name="Add vendor",
+    description="Add a new vendor to the database.",
+    response_model_exclude_none=True,
+)
 async def create(
     db: Annotated[AsyncSession, Depends(get_db_session)],
     body: VendorParameters,
@@ -58,7 +81,12 @@ async def create(
     return Vendor.from_db(db_item)
 
 
-@router.patch("/{vendor_id}")
+@router.patch(
+    "/{vendor_id}",
+    name="Update vendor",
+    description="Update any attribute of a vendor. Only fields specified in the request will be affected.",
+    response_model_exclude_none=True,
+)
 async def update(
     db: Annotated[AsyncSession, Depends(get_db_session)],
     vendor_id: int,
@@ -78,7 +106,13 @@ async def update(
     return Vendor.from_db(db_item)
 
 
-@router.delete("/{vendor_id}")
+@router.delete(
+    "/{vendor_id}",
+    name="Delete vendor",
+    description=(
+        "Delete a vendor. The vendor attribute of any filaments who refer to the deleted vendor will be cleared."
+    ),
+)
 async def delete(
     db: Annotated[AsyncSession, Depends(get_db_session)],
     vendor_id: int,
diff --git a/spoolman/database/filament.py b/spoolman/database/filament.py
index cc698ac..38732f2 100644
--- a/spoolman/database/filament.py
+++ b/spoolman/database/filament.py
@@ -2,8 +2,8 @@
 
 from typing import Optional
 
-from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.exc import IntegrityError
+from sqlalchemy.ext.asyncio import AsyncSession
 
 from spoolman.database import models, vendor
 from spoolman.exceptions import ItemDeleteError, ItemNotFoundError