diff --git a/sirepo_bluesky/sirepo_bluesky.py b/sirepo_bluesky/sirepo_bluesky.py
index 5485dcbe..135687f0 100644
--- a/sirepo_bluesky/sirepo_bluesky.py
+++ b/sirepo_bluesky/sirepo_bluesky.py
@@ -119,6 +119,20 @@ def delete_copy(self):
             raise SirepoBlueskyClientException(f"Could not delete simulation: {res}")
         self.sim_id = None
 
+    def compute_crl_characteristics(self, crl_element):
+        res = self._post_json(
+            "stateless-compute",
+            {
+                "method": "crl_characteristics",
+                "optical_element": crl_element,
+                "photon_energy": self.data["models"]["simulation"]["photonEnergy"],
+                "simulationId": self.sim_id,
+                "simulationType": self.sim_type,
+            },
+        )
+
+        return res
+
     def compute_grazing_orientation(self, optical_element):
         res = self._post_json(
             "stateless-compute",
diff --git a/sirepo_bluesky/tests/conftest.py b/sirepo_bluesky/tests/conftest.py
index d67c483b..b96abd8e 100644
--- a/sirepo_bluesky/tests/conftest.py
+++ b/sirepo_bluesky/tests/conftest.py
@@ -93,6 +93,13 @@ def srw_ari_simulation(make_dirs):
     return connection
 
 
+@pytest.fixture(scope="function")
+def srw_chx_simulation(make_dirs):
+    connection = SirepoBluesky("http://localhost:8000")
+    data, _ = connection.auth("srw", "HXV1JQ5c")
+    return connection
+
+
 @pytest.fixture(scope="function")
 def shadow_basic_simulation(make_dirs):
     connection = SirepoBluesky("http://localhost:8000")
diff --git a/sirepo_bluesky/tests/test_stateless_compute.py b/sirepo_bluesky/tests/test_stateless_compute.py
new file mode 100644
index 00000000..cd79be1e
--- /dev/null
+++ b/sirepo_bluesky/tests/test_stateless_compute.py
@@ -0,0 +1,139 @@
+import pprint
+
+import bluesky.plan_stubs as bps
+import dictdiffer
+import numpy as np
+
+from sirepo_bluesky.sirepo_ophyd import create_classes
+
+
+def test_stateless_compute_basic(srw_chx_simulation, RE):
+    browser_request = {
+        "absoluteFocusPosition": -8.7725,
+        "attenuationLength": 0.007313,
+        "focalDistance": 178.2502,
+        "focalPlane": "2",
+        "horizontalApertureSize": "1",
+        "horizontalOffset": 0,
+        "id": 6,
+        "material": "User-defined",
+        "method": "server",
+        "numberOfLenses": "1",
+        "position": "35.4",
+        "radius": "1.5e-03",
+        "refractiveIndex": "4.207568e-6",
+        "shape": "1",
+        "tipRadius": 150,
+        "tipWallThickness": 80,
+        "title": "CRL1",
+        "type": "crl",
+        "verticalApertureSize": "2.4",
+        "verticalOffset": 0,
+        "wallThickness": "80.e-06",
+    }
+    expected_response = {
+        "absoluteFocusPosition": 71.3036529974982,
+        "attenuationLength": 0.007313,
+        "focalDistance": 17.825023861765274,
+        "focalPlane": "2",
+        "horizontalApertureSize": "1",
+        "horizontalOffset": 0,
+        "id": 6,
+        "material": "User-defined",
+        "method": "server",
+        "numberOfLenses": "1",
+        "position": "35.4",
+        "radius": "1.5e-03",
+        "refractiveIndex": "4.207568e-6",
+        "shape": "1",
+        "tipRadius": 150,
+        "tipWallThickness": 80,
+        "title": "CRL1",
+        "type": "crl",
+        "verticalApertureSize": "2.4",
+        "verticalOffset": 0,
+        "wallThickness": "80.e-06",
+    }
+
+    diff = list(dictdiffer.diff(browser_request, expected_response))
+    assert diff
+    print(diff)
+
+    classes, objects = create_classes(srw_chx_simulation.data, connection=srw_chx_simulation)
+
+    crl1 = objects["crl1"]
+
+    print(crl1.summary())  # noqa
+    pprint.pprint(crl1.read())  # noqa
+
+    RE(bps.mv(crl1.tipRadius, 150))
+
+    actual_response = srw_chx_simulation.compute_crl_characteristics(crl1.id._sirepo_dict)
+
+    assert actual_response.pop("state") == "completed"
+
+    pprint.pprint(actual_response)
+    newresponse1 = _remove_dict_strings(actual_response)
+    newresponse2 = _remove_dict_strings(expected_response)
+    pprint.pprint(newresponse1)
+    assert newresponse1.any()
+
+    assert np.allclose(newresponse1, newresponse2)
+
+
+def test_stateless_compute_advanced(srw_chx_simulation, RE):
+    classes, objects = create_classes(srw_chx_simulation.data, connection=srw_chx_simulation)
+
+    crl1 = objects["crl1"]
+
+    for i in range(1, 1001):
+        RE(bps.mv(crl1.tipRadius, i))
+
+        response = srw_chx_simulation.compute_crl_characteristics(crl1.id._sirepo_dict)
+        crl1.id._sirepo_dict = srw_chx_simulation.compute_crl_characteristics(crl1.id._sirepo_dict)
+        assert response.pop("state") == "completed"
+
+        list1 = _remove_dict_strings(response)
+        list2 = _remove_dict_strings(crl1.id._sirepo_dict)
+
+        assert np.allclose(list1, list2)
+
+        print(f"Test Radius {i} Passed")
+
+    for i in range(1, 11):
+        RE(bps.mv(crl1.numberOfLenses, i))
+
+        response = srw_chx_simulation.compute_crl_characteristics(crl1.id._sirepo_dict)
+        crl1.id._sirepo_dict = srw_chx_simulation.compute_crl_characteristics(crl1.id._sirepo_dict)
+        assert response.pop("state") == "completed"
+
+        list1 = _remove_dict_strings(response)
+        list2 = _remove_dict_strings(crl1.id._sirepo_dict)
+
+        assert np.allclose(list1, list2)
+
+        print(f"Test Lenses {i} Passed")
+
+    for i in range(1, 101):
+        RE(bps.mv(crl1.wallThickness, i))
+
+        response = srw_chx_simulation.compute_crl_characteristics(crl1.id._sirepo_dict)
+        crl1.id._sirepo_dict = srw_chx_simulation.compute_crl_characteristics(crl1.id._sirepo_dict)
+        assert response.pop("state") == "completed"
+
+        list1 = _remove_dict_strings(response)
+        list2 = _remove_dict_strings(crl1.id._sirepo_dict)
+
+        assert np.allclose(list1, list2)
+
+        print(f"Test Wall Thickness {i} Passed")
+
+
+def _remove_dict_strings(dict):
+    newarr = np.array([], dtype=np.float64)
+    for key in dict:
+        try:
+            newarr = np.append(newarr, np.float64(dict[key]))
+        except ValueError:
+            pass
+    return newarr