diff --git a/swifttools/swift_too/swift/calendar.py b/swifttools/swift_too/swift/calendar.py
index 992f141..41cff09 100755
--- a/swifttools/swift_too/swift/calendar.py
+++ b/swifttools/swift_too/swift/calendar.py
@@ -1,6 +1,6 @@
 from datetime import datetime
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel
 
 from ..base.common import TOOAPIBaseclass
 from ..base.repr import TOOAPIReprMixin
@@ -22,8 +22,12 @@ class SwiftCalendarGetSchema(BaseModel):
     dec: AstropyAngle | None = None
     too_id: int | None = None
     radius: AstropyAngle | None = 12 / 60.0
+    target_id: int | None = None
     targetid: int | None = None
-    status: TOOStatus = Field(default_factory=TOOStatus)
+    limit: int | None = None
+    offset: int | None = None
+    sort_by: str | None = None
+    order: str | None = None
 
 
 class SwiftCalendarEntry(BaseSchema, TOOAPIClockCorrect, TOOAPIReprMixin):
@@ -122,7 +126,12 @@ class SwiftCalendarSchema(BaseSchema, TOOAPIReprMixin):
     ra: AstropyAngle | None = None
     dec: AstropyAngle | None = None
     radius: AstropyAngle | None = None
+    target_id: int | None = None
     targetid: int | None = None
+    limit: int | None = None
+    offset: int | None = None
+    sort_by: str | None = None
+    order: str | None = None
     entries: list[SwiftCalendarEntry] = []
     status: TOOStatus = TOOStatus()
 
diff --git a/swifttools/swift_too/swift/guano.py b/swifttools/swift_too/swift/guano.py
index cdab292..e45fdd7 100644
--- a/swifttools/swift_too/swift/guano.py
+++ b/swifttools/swift_too/swift/guano.py
@@ -197,7 +197,11 @@ class SwiftGUANOGetSchema(OptionalBeginEndLengthSchema):
     triggertime: datetime | None = None
     limit: int | None = None
     page: int | None = None
+    offset: int | None = None
+    sort_by: str | None = None
+    order: str | None = None
     triggertype: str | None = None
+    queue: int | None = None
 
     model_config = ConfigDict(extra="ignore")
 
@@ -209,7 +213,6 @@ def validate_parameters(cls, values):
             return
         if not isinstance(values, dict):
             values = values.__dict__
-        print(values)
         for key in cls.model_fields.keys():
             if key in values:
                 good = True
@@ -221,10 +224,14 @@ def validate_parameters(cls, values):
 class SwiftGUANOSchema(BaseSchema):
     begin: datetime | None = None
     end: datetime | None = None
+    username: str = Field(default="anonymous")
     subthreshold: bool = False
     successful: bool = True
     triggertime: datetime | None = None
     limit: int | None = None
+    offset: int | None = None
+    sort_by: str | None = None
+    order: str | None = None
     triggertype: str | None = None
     lastcommand: datetime | None = None
     guanostatus: bool | None = None
diff --git a/swifttools/swift_too/swift/obsquery.py b/swifttools/swift_too/swift/obsquery.py
index a0733be..e5e50d1 100644
--- a/swifttools/swift_too/swift/obsquery.py
+++ b/swifttools/swift_too/swift/obsquery.py
@@ -150,6 +150,11 @@ class SwiftAFSTGetSchema(BaseModel):
     radius: AstropyAngle | None = None
     target_id: int | list[int] | None = None
     obs_id: ObsIDSDC | list[ObsIDSDC] | None = None
+    gw_event: str | None = None
+    limit: int | None = None
+    offset: int | None = None
+    sort_by: str | None = None
+    order: str | None = None
 
     model_config = ConfigDict(extra="ignore")
 
@@ -172,6 +177,11 @@ class SwiftAFSTSchema(OptionalCoordinateSchema, OptionalBeginEndLengthSchema):
     radius: AstropyAngle | None = None
     target_id: int | list[int] | None = None
     obs_id: ObsIDSDC | list[ObsIDSDC] | None = None
+    gw_event: str | None = None
+    limit: int | None = None
+    offset: int | None = None
+    sort_by: str | None = None
+    order: str | None = None
     afstmax: datetime | SwiftDateTimeSchema | None = None
     entries: list[SwiftAFSTEntry] = []
     status: TOOStatus = TOOStatus()
diff --git a/swifttools/swift_too/swift/planquery.py b/swifttools/swift_too/swift/planquery.py
index ac29c35..34fdd78 100644
--- a/swifttools/swift_too/swift/planquery.py
+++ b/swifttools/swift_too/swift/planquery.py
@@ -18,6 +18,10 @@ class SwiftPPSTGetSchema(OptionalBeginEndLengthSchema, OptionalCoordinateSchema)
     radius: AstropyAngle | None = None
     target_id: int | list[int] | None = None
     obs_id: ObsIDSDC | list[ObsIDSDC] | None = None
+    limit: int | None = None
+    offset: int | None = None
+    sort_by: str | None = None
+    order: str | None = None
 
     model_config = ConfigDict(extra="ignore")
 
@@ -122,6 +126,10 @@ class SwiftPPSTSchema(OptionalBeginEndLengthSchema, OptionalCoordinateSchema):
     radius: AstropyAngle | None = None
     target_id: int | list[int] | None = None
     obs_id: ObsIDSDC | list[ObsIDSDC] | None = None
+    limit: int | None = None
+    offset: int | None = None
+    sort_by: str | None = None
+    order: str | None = None
     ppstmax: datetime | None = None
     entries: list[SwiftPPSTEntry] = Field(default_factory=list)
     status: TOOStatus = Field(default_factory=TOOStatus)
diff --git a/swifttools/swift_too/swift/requests.py b/swifttools/swift_too/swift/requests.py
index 844a037..d206b4a 100644
--- a/swifttools/swift_too/swift/requests.py
+++ b/swifttools/swift_too/swift/requests.py
@@ -11,7 +11,11 @@
 
 
 class SwiftTOORequestsGetSchema(OptionalBeginEndLengthSchema, OptionalCoordinateSchema):
+    username: str | None = None
     limit: int | None = None
+    offset: int | None = None
+    sort_by: str | None = None
+    order: str | None = None
     page: int | None = None
     year: int | None = None
     detail: bool = False
@@ -28,6 +32,7 @@ def validate_at_least_one_param(cls, data):
         if isinstance(data, dict):
             # Exclude model_config and other class attributes
             params = [
+                "username",
                 "begin",
                 "end",
                 "length",
@@ -48,6 +53,9 @@ class SwiftTOORequestsSchema(BaseSchema):
     begin: datetime | None = None
     length: float | None = None
     limit: int | None = None
+    offset: int | None = None
+    sort_by: str | None = None
+    order: str | None = None
     year: int | None = None
     detail: bool = False
     too_id: int | None = None
diff --git a/swifttools/swift_too/swift/uvot.py b/swifttools/swift_too/swift/uvot.py
index 540e743..b59f1b4 100644
--- a/swifttools/swift_too/swift/uvot.py
+++ b/swifttools/swift_too/swift/uvot.py
@@ -50,7 +50,7 @@ class SwiftUVOTModeEntry(BaseSchema, TOOAPIReprMixin):
         comment on special modes
     """
 
-    uvot_mode: int = 0
+    uvot_mode: int
     filter_num: int | None = None
     min_exposure: int | None = None
     filter_pos: int | None = None
@@ -62,7 +62,7 @@ class SwiftUVOTModeEntry(BaseSchema, TOOAPIReprMixin):
     weight: int | None = None
     special: int | None = None
     comment: str | None = None
-    filter_name: str | None = None
+    filter_name: str
 
 
 class SwiftUVOTModeSchema(BaseSchema):
@@ -99,7 +99,7 @@ class SwiftUVOTMode(TOOAPIBaseclass, TOOAPIInstruments, SwiftUVOTModeSchema, TOO
 
     def _post_process(self):
         if len(self.entries) == 0:
-            self.entries = [SwiftUVOTModeEntry(uvot_mode=self.uvot_mode or 0)]
+            self.entries = [SwiftUVOTModeEntry(uvot_mode=self.uvot_mode or 0, filter_name="")]
 
     def __getitem__(self, index):
         return self.entries[index]
diff --git a/tests/swift_too/base/common/test_constants.py b/tests/swift_too/base/common/test_constants.py
new file mode 100644
index 0000000..27e6fa2
--- /dev/null
+++ b/tests/swift_too/base/common/test_constants.py
@@ -0,0 +1,12 @@
+import importlib
+
+
+def test_default_swift_too_api_url(monkeypatch):
+    monkeypatch.delenv("SWIFT_TOO_API_URL", raising=False)
+
+    import swifttools.swift_too.base.constants as constants
+
+    reloaded = importlib.reload(constants)
+    expected = f"https://www.swift.psu.edu/api/v{reloaded.API_VERSION}"
+
+    assert reloaded.API_URL == expected
diff --git a/tests/swift_too/swift/schemas/test_schemas.py b/tests/swift_too/swift/schemas/test_schemas.py
new file mode 100644
index 0000000..14a6190
--- /dev/null
+++ b/tests/swift_too/swift/schemas/test_schemas.py
@@ -0,0 +1,45 @@
+from datetime import datetime, timedelta
+
+from swifttools.swift_too.swift.schemas import SwiftObservationSchema
+
+
+class TestSwiftObservationSchema:
+    def test_settle_field_is_declared(self):
+        schema = SwiftObservationSchema(
+            begin=datetime(2023, 1, 1, 12, 0, 0),
+            settle=datetime(2023, 1, 1, 12, 1, 0),
+            end=datetime(2023, 1, 1, 12, 10, 0),
+        )
+
+        assert schema.settle == datetime(2023, 1, 1, 12, 1, 0)
+
+    def test_time_properties_are_none_safe(self):
+        schema = SwiftObservationSchema(
+            begin=datetime(2023, 1, 1, 12, 0, 0),
+            end=datetime(2023, 1, 1, 12, 10, 0),
+        )
+
+        assert schema.exposure is None
+        assert schema.slewtime is None
+
+    def test_table_uses_none_when_deltas_unavailable(self):
+        schema = SwiftObservationSchema(
+            begin=datetime(2023, 1, 1, 12, 0, 0),
+            end=datetime(2023, 1, 1, 12, 10, 0),
+            target_name="Test Target",
+            obs_id="00012345001",
+        )
+
+        _, data = schema._table
+        assert data[0][4] is None
+        assert data[0][5] is None
+
+    def test_time_properties_when_complete(self):
+        schema = SwiftObservationSchema(
+            begin=datetime(2023, 1, 1, 12, 0, 0),
+            settle=datetime(2023, 1, 1, 12, 1, 0),
+            end=datetime(2023, 1, 1, 12, 10, 0),
+        )
+
+        assert schema.exposure == timedelta(minutes=9)
+        assert schema.slewtime == timedelta(minutes=1)
diff --git a/tests/swift_too/swift/uvot/conftest.py b/tests/swift_too/swift/uvot/conftest.py
index 0fe401a..0da51a0 100644
--- a/tests/swift_too/swift/uvot/conftest.py
+++ b/tests/swift_too/swift/uvot/conftest.py
@@ -34,15 +34,15 @@ def uvot_mode_with_entries(uvot_mode_empty):
 
 @pytest.fixture
 def uvot_entry():
-    return SwiftUVOTModeEntry(uvot_mode=0x30ED)
+    return SwiftUVOTModeEntry(uvot_mode=0x30ED, filter_name="")
 
 
 @pytest.fixture
 def sample_uvot_entries():
     """List of sample SwiftUVOTModeEntry objects for testing."""
     return [
-        SwiftUVOTModeEntry(uvot_mode=0x30ED),
-        SwiftUVOTModeEntry(uvot_mode=0x30ED),
+        SwiftUVOTModeEntry(uvot_mode=0x30ED, filter_name=""),
+        SwiftUVOTModeEntry(uvot_mode=0x30ED, filter_name=""),
     ]
 
 
@@ -57,9 +57,9 @@ def uvot_mode_with_two_entries(uvot_mode_empty, sample_uvot_entries):
 def uvot_mode_with_three_entries(uvot_mode_empty):
     """SwiftUVOTMode instance with three entries."""
     entries = [
-        SwiftUVOTModeEntry(uvot_mode=0x30ED),
-        SwiftUVOTModeEntry(uvot_mode=0x30ED),
-        SwiftUVOTModeEntry(uvot_mode=0x30ED),
+        SwiftUVOTModeEntry(uvot_mode=0x30ED, filter_name=""),
+        SwiftUVOTModeEntry(uvot_mode=0x30ED, filter_name=""),
+        SwiftUVOTModeEntry(uvot_mode=0x30ED, filter_name=""),
     ]
     uvot_mode_empty.entries = entries
     return uvot_mode_empty
diff --git a/tests/swift_too/swift/uvot/test_uvot.py b/tests/swift_too/swift/uvot/test_uvot.py
index 35b83bd..5d41e8a 100644
--- a/tests/swift_too/swift/uvot/test_uvot.py
+++ b/tests/swift_too/swift/uvot/test_uvot.py
@@ -44,7 +44,7 @@ def test_init_uvot_mode(self, uvot_entry):
         assert uvot_entry.uvot_mode == 0x30ED
 
     def test_init_filter_name(self, uvot_entry):
-        assert uvot_entry.filter_name is None
+        assert uvot_entry.filter_name == ""
 
     def test_init_eventmode(self, uvot_entry):
         assert uvot_entry.eventmode is None