diff --git a/ami/main/models.py b/ami/main/models.py
index 3662b4107..18095f7bd 100644
--- a/ami/main/models.py
+++ b/ami/main/models.py
@@ -2,6 +2,7 @@
 import contextlib
 import datetime
 import functools
+import inspect
 import logging
 import textwrap
 import time
@@ -4913,8 +4914,23 @@ def populate_sample(self, job: "Job | None" = None):
         else:
             task_logger.info(f"Sampling using method '{method_name}' with params: {kwargs}")
             method = getattr(self, method_name)
+            method_sig = inspect.signature(method)
+            accepted_kwargs = {
+                name
+                for name, param in method_sig.parameters.items()
+                if name != "self"
+                and param.kind in (inspect.Parameter.POSITIONAL_OR_KEYWORD, inspect.Parameter.KEYWORD_ONLY)
+            }
+            filtered_kwargs = {key: value for key, value in kwargs.items() if key in accepted_kwargs}
+            ignored_kwargs = sorted(set(kwargs) - set(filtered_kwargs))
+            if ignored_kwargs:
+                task_logger.warning(
+                    "Ignoring unsupported arguments for samplng method %s: %s",
+                    method_name,
+                    ", ".join(ignored_kwargs),
+                )
             task_logger.info(f"Sampling and saving captures to {self}")
-            self.images.set(method(**kwargs))
+            self.images.set(method(**filtered_kwargs))
             self.save()
             task_logger.info(f"Done sampling and saving captures to {self}")
 
@@ -5044,6 +5060,7 @@ def sample_common_combined(
     def sample_interval(
         self,
         minute_interval: int = 10,
+        max_num: int | None = None,
         exclude_events: list[int] = [],
         deployment_id: int | None = None,  # Deprecated
         hour_start: int | None = None,
@@ -5090,7 +5107,7 @@ def sample_interval(
         captures: set[SourceImage] = set()
         for dep in deps:
             dep_qs = qs.filter(deployment=dep)
-            for c in sample_captures_by_interval(minute_interval=minute_interval, qs=dep_qs):
+            for c in sample_captures_by_interval(minute_interval=minute_interval, qs=dep_qs, max_num=max_num):
                 captures.add(c)
 
         # Return results in a deterministic order. Sort by timestamp (oldest first),
diff --git a/ami/main/tests.py b/ami/main/tests.py
index c9e3b0d8f..87d36f13c 100644
--- a/ami/main/tests.py
+++ b/ami/main/tests.py
@@ -1418,7 +1418,7 @@ def test_interval_with_excluded_events(self):
             assert image.event != excluded_event
 
     def test_extra_arguments(self):
-        # Assert that a value error is raised when trying to call a sampling method with extra arguments
+        # Extra kwargs in stored collection config should be ignored, not fail population.
         from ami.main.models import SourceImageCollection
 
         collection = SourceImageCollection.objects.create(
@@ -1428,9 +1428,23 @@ def test_extra_arguments(self):
             kwargs={"birthday": True, "cake": "chocolate"},
         )
         collection.save()
+        collection.populate_sample()
+
+        self.assertGreater(collection.images.count(), 0)
+
+    def test_interval_sample_accepts_max_num(self):
+        from ami.main.models import SourceImageCollection
+
+        collection = SourceImageCollection.objects.create(
+            name="Test Interval Sample With Max Num",
+            project=self.project_one,
+            method="interval",
+            kwargs={"minute_interval": 1, "max_num": 1},
+        )
+        collection.save()
+        collection.populate_sample()
 
-        with self.assertRaises(TypeError):
-            collection.populate_sample()
+        self.assertEqual(collection.images.count(), 1)
 
     def test_last_and_random(self):
         from ami.main.models import SourceImageCollection