diff --git a/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_advanced.yml/snapshot.json b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_advanced.yml/snapshot.json
new file mode 100644
index 00000000000..fba847b520a
--- /dev/null
+++ b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_advanced.yml/snapshot.json
@@ -0,0 +1,389 @@
+{
+  "batches": [
+    0,
+    1,
+    2,
+    3,
+    4,
+    5
+  ],
+  "control_names": [
+    "point_x-0",
+    "point_x-1",
+    "point_x-2"
+  ],
+  "accepted_batches": [
+    0,
+    1,
+    2,
+    3,
+    4,
+    5
+  ],
+  "objective_function_names": [
+    "distance"
+  ],
+  "output_constraint_names": [
+    "x-0_coord"
+  ],
+  "realizations": [
+    0,
+    2
+  ],
+  "simulations": [
+    0,
+    1
+  ],
+  "control_values": [
+    {
+      "control": "point_x-0",
+      "batch": 0,
+      "value": 0.25
+    },
+    {
+      "control": "point_x-1",
+      "batch": 0,
+      "value": 0.25
+    },
+    {
+      "control": "point_x-2",
+      "batch": 0,
+      "value": 0.25
+    },
+    {
+      "control": "point_x-0",
+      "batch": 0,
+      "value": 0.25
+    },
+    {
+      "control": "point_x-1",
+      "batch": 0,
+      "value": 0.25
+    },
+    {
+      "control": "point_x-2",
+      "batch": 0,
+      "value": 0.25
+    },
+    {
+      "control": "point_x-0",
+      "batch": 1,
+      "value": 0.25904478
+    },
+    {
+      "control": "point_x-1",
+      "batch": 1,
+      "value": 0.13792475
+    },
+    {
+      "control": "point_x-2",
+      "batch": 1,
+      "value": 0.17336687
+    },
+    {
+      "control": "point_x-0",
+      "batch": 1,
+      "value": 0.25904478
+    },
+    {
+      "control": "point_x-1",
+      "batch": 1,
+      "value": 0.13792475
+    },
+    {
+      "control": "point_x-2",
+      "batch": 1,
+      "value": 0.17336687
+    },
+    {
+      "control": "point_x-0",
+      "batch": 2,
+      "value": 0.31863568
+    },
+    {
+      "control": "point_x-1",
+      "batch": 2,
+      "value": 0.00504358
+    },
+    {
+      "control": "point_x-2",
+      "batch": 2,
+      "value": 0.13385209
+    },
+    {
+      "control": "point_x-0",
+      "batch": 2,
+      "value": 0.31863568
+    },
+    {
+      "control": "point_x-1",
+      "batch": 2,
+      "value": 0.00504358
+    },
+    {
+      "control": "point_x-2",
+      "batch": 2,
+      "value": 0.13385209
+    },
+    {
+      "control": "point_x-0",
+      "batch": 3,
+      "value": 0.24117771
+    },
+    {
+      "control": "point_x-1",
+      "batch": 3,
+      "value": 0.03015417
+    },
+    {
+      "control": "point_x-2",
+      "batch": 3,
+      "value": 0.24583776
+    },
+    {
+      "control": "point_x-0",
+      "batch": 3,
+      "value": 0.24117771
+    },
+    {
+      "control": "point_x-1",
+      "batch": 3,
+      "value": 0.03015417
+    },
+    {
+      "control": "point_x-2",
+      "batch": 3,
+      "value": 0.24583776
+    },
+    {
+      "control": "point_x-0",
+      "batch": 4,
+      "value": 0.15091481
+    },
+    {
+      "control": "point_x-1",
+      "batch": 4,
+      "value": -0.00394611
+    },
+    {
+      "control": "point_x-2",
+      "batch": 4,
+      "value": 0.36960914
+    },
+    {
+      "control": "point_x-0",
+      "batch": 4,
+      "value": 0.15091481
+    },
+    {
+      "control": "point_x-1",
+      "batch": 4,
+      "value": -0.00394611
+    },
+    {
+      "control": "point_x-2",
+      "batch": 4,
+      "value": 0.36960914
+    },
+    {
+      "control": "point_x-0",
+      "batch": 5,
+      "value": 0.1145273
+    },
+    {
+      "control": "point_x-1",
+      "batch": 5,
+      "value": 0.00635029
+    },
+    {
+      "control": "point_x-2",
+      "batch": 5,
+      "value": 0.38836369
+    },
+    {
+      "control": "point_x-0",
+      "batch": 5,
+      "value": 0.1145273
+    },
+    {
+      "control": "point_x-1",
+      "batch": 5,
+      "value": 0.00635029
+    },
+    {
+      "control": "point_x-2",
+      "batch": 5,
+      "value": 0.38836369
+    }
+  ],
+  "single_objective_values": [
+    {
+      "batch": 0,
+      "objective": -1.6875,
+      "accepted": 1
+    },
+    {
+      "batch": 1,
+      "objective": -1.69281773,
+      "accepted": 1
+    },
+    {
+      "batch": 2,
+      "objective": -1.73561919,
+      "accepted": 1
+    },
+    {
+      "batch": 3,
+      "objective": -1.6236748,
+      "accepted": 1
+    },
+    {
+      "batch": 4,
+      "objective": -1.539793,
+      "accepted": 1
+    },
+    {
+      "batch": 5,
+      "objective": -1.52561897,
+      "accepted": 1
+    }
+  ],
+  "gradient_values": [
+    {
+      "batch": 0,
+      "function": "distance",
+      "control": "point_x-0",
+      "value": -0.49076627
+    },
+    {
+      "batch": 0,
+      "function": "distance",
+      "control": "point_x-1",
+      "value": -0.50191014
+    },
+    {
+      "batch": 0,
+      "function": "distance",
+      "control": "point_x-2",
+      "value": 0.50424549
+    },
+    {
+      "batch": 1,
+      "function": "distance",
+      "control": "point_x-0",
+      "value": -0.52209326
+    },
+    {
+      "batch": 1,
+      "function": "distance",
+      "control": "point_x-1",
+      "value": -0.28579331
+    },
+    {
+      "batch": 1,
+      "function": "distance",
+      "control": "point_x-2",
+      "value": 0.64869691
+    },
+    {
+      "batch": 2,
+      "function": "distance",
+      "control": "point_x-0",
+      "value": -0.64281291
+    },
+    {
+      "batch": 2,
+      "function": "distance",
+      "control": "point_x-1",
+      "value": -0.00521952
+    },
+    {
+      "batch": 2,
+      "function": "distance",
+      "control": "point_x-2",
+      "value": 0.73152662
+    },
+    {
+      "batch": 3,
+      "function": "distance",
+      "control": "point_x-0",
+      "value": -0.47276201
+    },
+    {
+      "batch": 3,
+      "function": "distance",
+      "control": "point_x-1",
+      "value": -0.0785477
+    },
+    {
+      "batch": 3,
+      "function": "distance",
+      "control": "point_x-2",
+      "value": 0.51539765
+    },
+    {
+      "batch": 4,
+      "function": "distance",
+      "control": "point_x-0",
+      "value": -0.30369426
+    },
+    {
+      "batch": 4,
+      "function": "distance",
+      "control": "point_x-1",
+      "value": 0.02314375
+    },
+    {
+      "batch": 4,
+      "function": "distance",
+      "control": "point_x-2",
+      "value": 0.25834193
+    },
+    {
+      "batch": 5,
+      "function": "distance",
+      "control": "point_x-0",
+      "value": -0.21656122
+    },
+    {
+      "batch": 5,
+      "function": "distance",
+      "control": "point_x-1",
+      "value": -0.00578828
+    },
+    {
+      "batch": 5,
+      "function": "distance",
+      "control": "point_x-2",
+      "value": 0.2172204
+    }
+  ],
+  "input_constraint('point_x-0')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "input_constraint('point_x-1')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "input_constraint('point_x-2')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "output_constraint('x-0_coord')": {
+    "type": "ge",
+    "right_hand_side": 0.1
+  },
+  "optimal_result_json": {
+    "batch": 5,
+    "controls": {
+      "point_x-0": 0.1145273,
+      "point_x-1": 0.00635029,
+      "point_x-2": 0.38836369
+    },
+    "total_objective": -1.52561897,
+    "expected_objectives": {
+      "distance": -1.52561897
+    }
+  }
+}
diff --git a/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_auto_scaled_controls.yml/snapshot.json b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_auto_scaled_controls.yml/snapshot.json
new file mode 100644
index 00000000000..34def1be5da
--- /dev/null
+++ b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_auto_scaled_controls.yml/snapshot.json
@@ -0,0 +1,200 @@
+{
+  "batches": [
+    0,
+    1,
+    3,
+    5,
+    7,
+    9
+  ],
+  "control_names": [
+    "point_x",
+    "point_y",
+    "point_z"
+  ],
+  "accepted_batches": [
+    0,
+    1,
+    3,
+    5,
+    7
+  ],
+  "objective_function_names": [
+    "distance"
+  ],
+  "output_constraint_names": [],
+  "realizations": [
+    0
+  ],
+  "simulations": [
+    0
+  ],
+  "control_values": [
+    {
+      "control": "point_x",
+      "batch": 0,
+      "value": 0.2
+    },
+    {
+      "control": "point_y",
+      "batch": 0,
+      "value": 0.2
+    },
+    {
+      "control": "point_z",
+      "batch": 0,
+      "value": 0.2
+    },
+    {
+      "control": "point_x",
+      "batch": 1,
+      "value": -0.01613438
+    },
+    {
+      "control": "point_y",
+      "batch": 1,
+      "value": -0.01682551
+    },
+    {
+      "control": "point_z",
+      "batch": 1,
+      "value": 0.5571275
+    },
+    {
+      "control": "point_x",
+      "batch": 3,
+      "value": -0.02716208
+    },
+    {
+      "control": "point_y",
+      "batch": 3,
+      "value": -0.02686554
+    },
+    {
+      "control": "point_z",
+      "batch": 3,
+      "value": 0.32152608
+    },
+    {
+      "control": "point_x",
+      "batch": 5,
+      "value": 0.14271157
+    },
+    {
+      "control": "point_y",
+      "batch": 5,
+      "value": 0.14281097
+    },
+    {
+      "control": "point_z",
+      "batch": 5,
+      "value": 0.40830957
+    },
+    {
+      "control": "point_x",
+      "batch": 7,
+      "value": 0.2225664
+    },
+    {
+      "control": "point_y",
+      "batch": 7,
+      "value": 0.21233962
+    },
+    {
+      "control": "point_z",
+      "batch": 7,
+      "value": 0.49289096
+    },
+    {
+      "control": "point_x",
+      "batch": 9,
+      "value": 0.21940694
+    },
+    {
+      "control": "point_y",
+      "batch": 9,
+      "value": 0.26757899
+    },
+    {
+      "control": "point_z",
+      "batch": 9,
+      "value": 0.49314616
+    }
+  ],
+  "single_objective_values": [
+    {
+      "batch": 0,
+      "objective": -0.27000001,
+      "accepted": 1
+    },
+    {
+      "batch": 1,
+      "objective": -0.53676701,
+      "accepted": 1
+    },
+    {
+      "batch": 3,
+      "objective": -0.58734,
+      "accepted": 1
+    },
+    {
+      "batch": 5,
+      "objective": -0.26364601,
+      "accepted": 1
+    },
+    {
+      "batch": 7,
+      "objective": -0.159768,
+      "accepted": 1
+    },
+    {
+      "batch": 9,
+      "objective": -0.132799,
+      "accepted": 0
+    }
+  ],
+  "gradient_values": [
+    {
+      "batch": 0,
+      "function": "distance",
+      "control": "point_x",
+      "value": 2.99973311
+    },
+    {
+      "batch": 0,
+      "function": "distance",
+      "control": "point_y",
+      "value": 2.99553111
+    },
+    {
+      "batch": 0,
+      "function": "distance",
+      "control": "point_z",
+      "value": 3.00247454
+    }
+  ],
+  "input_constraint('point_x')": {
+    "min": 0.3,
+    "max": 0.7
+  },
+  "input_constraint('point_y')": {
+    "min": 0.3,
+    "max": 0.7
+  },
+  "input_constraint('point_z')": {
+    "min": 0.3,
+    "max": 0.7
+  },
+  "optimal_result_json": {
+    "batch": 7,
+    "controls": {
+      "point_x": 0.2225664,
+      "point_y": 0.21233962,
+      "point_z": 0.49289096
+    },
+    "total_objective": -0.159768,
+    "expected_objectives": {
+      "distance": -0.159768
+    }
+  }
+}
diff --git a/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_cvar.yml/snapshot.json b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_cvar.yml/snapshot.json
new file mode 100644
index 00000000000..c7b6a104bdf
--- /dev/null
+++ b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_cvar.yml/snapshot.json
@@ -0,0 +1,163 @@
+{
+  "batches": [
+    0,
+    2,
+    3
+  ],
+  "control_names": [
+    "point_x",
+    "point_y",
+    "point_z"
+  ],
+  "accepted_batches": [
+    0,
+    2,
+    3
+  ],
+  "objective_function_names": [
+    "distance"
+  ],
+  "output_constraint_names": [],
+  "realizations": [
+    0,
+    1
+  ],
+  "simulations": [
+    0,
+    1
+  ],
+  "control_values": [
+    {
+      "control": "point_x",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_y",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_z",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_x",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_y",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_z",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_x",
+      "batch": 2,
+      "value": 0.99589284
+    },
+    {
+      "control": "point_y",
+      "batch": 2,
+      "value": 0.98866227
+    },
+    {
+      "control": "point_z",
+      "batch": 2,
+      "value": 1.00465235
+    },
+    {
+      "control": "point_x",
+      "batch": 2,
+      "value": 0.99589284
+    },
+    {
+      "control": "point_y",
+      "batch": 2,
+      "value": 0.98866227
+    },
+    {
+      "control": "point_z",
+      "batch": 2,
+      "value": 1.00465235
+    },
+    {
+      "control": "point_x",
+      "batch": 3,
+      "value": 0.49972902
+    },
+    {
+      "control": "point_y",
+      "batch": 3,
+      "value": 0.49610079
+    },
+    {
+      "control": "point_z",
+      "batch": 3,
+      "value": 0.50412446
+    },
+    {
+      "control": "point_x",
+      "batch": 3,
+      "value": 0.49972902
+    },
+    {
+      "control": "point_y",
+      "batch": 3,
+      "value": 0.49610079
+    },
+    {
+      "control": "point_z",
+      "batch": 3,
+      "value": 0.50412446
+    }
+  ],
+  "single_objective_values": [
+    {
+      "batch": 0,
+      "objective": -0.75,
+      "accepted": 1
+    },
+    {
+      "batch": 2,
+      "objective": -0.739375,
+      "accepted": 1
+    },
+    {
+      "batch": 3,
+      "objective": -0.00003229,
+      "accepted": 1
+    }
+  ],
+  "gradient_values": [],
+  "input_constraint('point_x')": {
+    "min": -2.0,
+    "max": 2.0
+  },
+  "input_constraint('point_y')": {
+    "min": -2.0,
+    "max": 2.0
+  },
+  "input_constraint('point_z')": {
+    "min": -2.0,
+    "max": 2.0
+  },
+  "optimal_result_json": {
+    "batch": 3,
+    "controls": {
+      "point_x": 0.49972902,
+      "point_y": 0.49610079,
+      "point_z": 0.50412446
+    },
+    "total_objective": -0.00003229,
+    "expected_objectives": {
+      "distance": 0.0
+    }
+  }
+}
diff --git a/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_discrete.yml/snapshot.json b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_discrete.yml/snapshot.json
new file mode 100644
index 00000000000..4f750cdcc28
--- /dev/null
+++ b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_discrete.yml/snapshot.json
@@ -0,0 +1,111 @@
+{
+  "batches": [
+    0,
+    1,
+    2,
+    3
+  ],
+  "control_names": [
+    "point_x",
+    "point_y"
+  ],
+  "accepted_batches": [
+    0,
+    1,
+    3
+  ],
+  "objective_function_names": [
+    "func"
+  ],
+  "output_constraint_names": [],
+  "realizations": [
+    0
+  ],
+  "simulations": [
+    0
+  ],
+  "control_values": [
+    {
+      "control": "point_x",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_y",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_x",
+      "batch": 1,
+      "value": 6.0
+    },
+    {
+      "control": "point_y",
+      "batch": 1,
+      "value": 4.0
+    },
+    {
+      "control": "point_x",
+      "batch": 2,
+      "value": 3.0
+    },
+    {
+      "control": "point_y",
+      "batch": 2,
+      "value": 1.0
+    },
+    {
+      "control": "point_x",
+      "batch": 3,
+      "value": 3.0
+    },
+    {
+      "control": "point_y",
+      "batch": 3,
+      "value": 7.0
+    }
+  ],
+  "single_objective_values": [
+    {
+      "batch": 0,
+      "objective": 0.0,
+      "accepted": 1
+    },
+    {
+      "batch": 1,
+      "objective": 4.0,
+      "accepted": 1
+    },
+    {
+      "batch": 2,
+      "objective": 1.0,
+      "accepted": 0
+    },
+    {
+      "batch": 3,
+      "objective": 7.0,
+      "accepted": 1
+    }
+  ],
+  "gradient_values": [],
+  "input_constraint('point_x')": {
+    "min": 0.0,
+    "max": 10.0
+  },
+  "input_constraint('point_y')": {
+    "min": 0.0,
+    "max": 10.0
+  },
+  "optimal_result_json": {
+    "batch": 3,
+    "controls": {
+      "point_x": 3.0,
+      "point_y": 7.0
+    },
+    "total_objective": 7.0,
+    "expected_objectives": {
+      "func": 7.0
+    }
+  }
+}
diff --git a/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_minimal.yml/snapshot.json b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_minimal.yml/snapshot.json
new file mode 100644
index 00000000000..c203e798f37
--- /dev/null
+++ b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_minimal.yml/snapshot.json
@@ -0,0 +1,134 @@
+{
+  "batches": [
+    0,
+    1,
+    2
+  ],
+  "control_names": [
+    "point_x",
+    "point_y",
+    "point_z"
+  ],
+  "accepted_batches": [
+    0,
+    2
+  ],
+  "objective_function_names": [
+    "distance"
+  ],
+  "output_constraint_names": [],
+  "realizations": [
+    0
+  ],
+  "simulations": [
+    0
+  ],
+  "control_values": [
+    {
+      "control": "point_x",
+      "batch": 0,
+      "value": 0.1
+    },
+    {
+      "control": "point_y",
+      "batch": 0,
+      "value": 0.1
+    },
+    {
+      "control": "point_z",
+      "batch": 0,
+      "value": 0.1
+    },
+    {
+      "control": "point_x",
+      "batch": 1,
+      "value": 0.90038639
+    },
+    {
+      "control": "point_y",
+      "batch": 1,
+      "value": 0.90054756
+    },
+    {
+      "control": "point_z",
+      "batch": 1,
+      "value": 0.89933796
+    },
+    {
+      "control": "point_x",
+      "batch": 2,
+      "value": 0.50014777
+    },
+    {
+      "control": "point_y",
+      "batch": 2,
+      "value": 0.50022835
+    },
+    {
+      "control": "point_z",
+      "batch": 2,
+      "value": 0.49962361
+    }
+  ],
+  "single_objective_values": [
+    {
+      "batch": 0,
+      "objective": -0.47999999,
+      "accepted": 1
+    },
+    {
+      "batch": 1,
+      "objective": -0.48021799,
+      "accepted": 0
+    },
+    {
+      "batch": 2,
+      "objective": -2.2e-7,
+      "accepted": 1
+    }
+  ],
+  "gradient_values": [
+    {
+      "batch": 0,
+      "function": "distance",
+      "control": "point_x",
+      "value": 0.80038641
+    },
+    {
+      "batch": 0,
+      "function": "distance",
+      "control": "point_y",
+      "value": 0.80054758
+    },
+    {
+      "batch": 0,
+      "function": "distance",
+      "control": "point_z",
+      "value": 0.79933798
+    }
+  ],
+  "input_constraint('point_x')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "input_constraint('point_y')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "input_constraint('point_z')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "optimal_result_json": {
+    "batch": 2,
+    "controls": {
+      "point_x": 0.50014777,
+      "point_y": 0.50022835,
+      "point_z": 0.49962361
+    },
+    "total_objective": -2.2e-7,
+    "expected_objectives": {
+      "distance": -2.2e-7
+    }
+  }
+}
diff --git a/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_multiobj.yml/snapshot.json b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_multiobj.yml/snapshot.json
new file mode 100644
index 00000000000..55f31a1ec64
--- /dev/null
+++ b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_multiobj.yml/snapshot.json
@@ -0,0 +1,160 @@
+{
+  "batches": [
+    0,
+    1,
+    2
+  ],
+  "control_names": [
+    "point_x",
+    "point_y",
+    "point_z"
+  ],
+  "accepted_batches": [
+    0,
+    2
+  ],
+  "objective_function_names": [
+    "distance_p",
+    "distance_q"
+  ],
+  "output_constraint_names": [],
+  "realizations": [
+    0
+  ],
+  "simulations": [
+    0
+  ],
+  "control_values": [
+    {
+      "control": "point_x",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_y",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_z",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_x",
+      "batch": 1,
+      "value": -0.00420218
+    },
+    {
+      "control": "point_y",
+      "batch": 1,
+      "value": -0.0112982
+    },
+    {
+      "control": "point_z",
+      "batch": 1,
+      "value": 1.0
+    },
+    {
+      "control": "point_x",
+      "batch": 2,
+      "value": -0.00210079
+    },
+    {
+      "control": "point_y",
+      "batch": 2,
+      "value": -0.00564829
+    },
+    {
+      "control": "point_z",
+      "batch": 2,
+      "value": 0.49992811
+    }
+  ],
+  "single_objective_values": [
+    {
+      "batch": 0,
+      "objective": -2.33333333,
+      "accepted": 1,
+      "distance_p": -0.75,
+      "distance_q": -1.58333333
+    },
+    {
+      "batch": 1,
+      "objective": -2.33352598,
+      "accepted": 0,
+      "distance_p": -0.76564598,
+      "distance_q": -1.56787999
+    },
+    {
+      "batch": 2,
+      "objective": -2.00004834,
+      "accepted": 1,
+      "distance_p": -0.50778502,
+      "distance_q": -1.49226332
+    }
+  ],
+  "gradient_values": [
+    {
+      "batch": 0,
+      "function": "distance_p",
+      "control": "point_x",
+      "value": 0.99589284
+    },
+    {
+      "batch": 0,
+      "function": "distance_p",
+      "control": "point_y",
+      "value": 0.98866227
+    },
+    {
+      "batch": 0,
+      "function": "distance_p",
+      "control": "point_z",
+      "value": 1.00465235
+    },
+    {
+      "batch": 0,
+      "function": "distance_q",
+      "control": "point_x",
+      "value": -3.00456477
+    },
+    {
+      "batch": 0,
+      "function": "distance_q",
+      "control": "point_y",
+      "value": -3.011388
+    },
+    {
+      "batch": 0,
+      "function": "distance_q",
+      "control": "point_z",
+      "value": 1.0044895
+    }
+  ],
+  "input_constraint('point_x')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "input_constraint('point_y')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "input_constraint('point_z')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "optimal_result_json": {
+    "batch": 2,
+    "controls": {
+      "point_x": -0.00210079,
+      "point_y": -0.00564829,
+      "point_z": 0.49992811
+    },
+    "total_objective": -2.00004834,
+    "expected_objectives": {
+      "distance_p": -0.50778502,
+      "distance_q": -4.47678995
+    }
+  }
+}
diff --git a/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_stddev.yml/snapshot.json b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_stddev.yml/snapshot.json
new file mode 100644
index 00000000000..97408c90abe
--- /dev/null
+++ b/tests/everest/snapshots/test_api_snapshots/test_api_snapshots/config_stddev.yml/snapshot.json
@@ -0,0 +1,171 @@
+{
+  "batches": [
+    0,
+    2,
+    4
+  ],
+  "control_names": [
+    "point_x",
+    "point_y",
+    "point_z"
+  ],
+  "accepted_batches": [
+    0,
+    2,
+    4
+  ],
+  "objective_function_names": [
+    "distance",
+    "stddev"
+  ],
+  "output_constraint_names": [],
+  "realizations": [
+    0,
+    1
+  ],
+  "simulations": [
+    0,
+    1
+  ],
+  "control_values": [
+    {
+      "control": "point_x",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_y",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_z",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_x",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_y",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_z",
+      "batch": 0,
+      "value": 0.0
+    },
+    {
+      "control": "point_x",
+      "batch": 2,
+      "value": 0.61224415
+    },
+    {
+      "control": "point_y",
+      "batch": 2,
+      "value": 0.62855608
+    },
+    {
+      "control": "point_z",
+      "batch": 2,
+      "value": 0.72543321
+    },
+    {
+      "control": "point_x",
+      "batch": 2,
+      "value": 0.61224415
+    },
+    {
+      "control": "point_y",
+      "batch": 2,
+      "value": 0.62855608
+    },
+    {
+      "control": "point_z",
+      "batch": 2,
+      "value": 0.72543321
+    },
+    {
+      "control": "point_x",
+      "batch": 4,
+      "value": 0.50351462
+    },
+    {
+      "control": "point_y",
+      "batch": 4,
+      "value": 0.50220467
+    },
+    {
+      "control": "point_z",
+      "batch": 4,
+      "value": 0.48265145
+    },
+    {
+      "control": "point_x",
+      "batch": 4,
+      "value": 0.50351462
+    },
+    {
+      "control": "point_y",
+      "batch": 4,
+      "value": 0.50220467
+    },
+    {
+      "control": "point_z",
+      "batch": 4,
+      "value": 0.48265145
+    }
+  ],
+  "single_objective_values": [
+    {
+      "batch": 0,
+      "objective": -0.53033009,
+      "accepted": 1,
+      "distance": 0.0,
+      "stddev": 0.0
+    },
+    {
+      "batch": 2,
+      "objective": -0.05653,
+      "accepted": 1,
+      "distance": 0.0,
+      "stddev": 0.0
+    },
+    {
+      "batch": 4,
+      "objective": -0.00022499,
+      "accepted": 1,
+      "distance": 0.0,
+      "stddev": 0.0
+    }
+  ],
+  "gradient_values": [],
+  "input_constraint('point_x')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "input_constraint('point_y')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "input_constraint('point_z')": {
+    "min": -1.0,
+    "max": 1.0
+  },
+  "optimal_result_json": {
+    "batch": 4,
+    "controls": {
+      "point_x": 0.50351462,
+      "point_y": 0.50220467,
+      "point_z": 0.48265145
+    },
+    "total_objective": -0.00022499,
+    "expected_objectives": {
+      "distance": 0.0,
+      "stddev": 0.0
+    }
+  }
+}
diff --git a/tests/everest/test_api_snapshots.py b/tests/everest/test_api_snapshots.py
new file mode 100644
index 00000000000..efb23a2d95d
--- /dev/null
+++ b/tests/everest/test_api_snapshots.py
@@ -0,0 +1,91 @@
+from typing import Any, Dict
+
+import orjson
+import pytest
+
+from ert.run_models.everest_run_model import EverestRunModel
+from everest.api import EverestDataAPI
+from everest.config import EverestConfig
+
+
+# Utility to round all floats in an arbitrary json object
+# (without tuples)
+def _round_floats(obj, dec):
+    if isinstance(obj, float):
+        return round(obj, dec)
+    if isinstance(obj, dict):
+        return {k: _round_floats(v, dec) for k, v in obj.items()}
+    if isinstance(obj, list):
+        return [_round_floats(item, dec) for item in obj]
+    # Assume no tuples
+    return obj
+
+
+def make_api_snapshot(api) -> Dict[str, Any]:
+    api_json = {
+        "batches": api.batches,
+        "control_names": api.control_names,
+        "accepted_batches": api.accepted_batches,
+        "objective_function_names": api.objective_function_names,
+        "output_constraint_names": api.output_constraint_names,
+        "realizations": api.realizations,
+        "simulations": api.simulations,
+        "control_values": api.control_values,
+        "single_objective_values": api.single_objective_values,
+        "gradient_values": api.gradient_values,
+        **{
+            f"input_constraint('{control}')": api.input_constraint(control)
+            for control in api.control_names
+        },
+        **{
+            f"output_constraint('{constraint}')": api.output_constraint(constraint)
+            for constraint in api.output_constraint_names
+        },
+    }
+
+    return api_json
+
+
+@pytest.mark.parametrize(
+    "config_file",
+    [
+        "config_advanced.yml",
+        "config_minimal.yml",
+        "config_multiobj.yml",
+        "config_auto_scaled_controls.yml",
+        "config_cvar.yml",
+        "config_discrete.yml",
+        "config_stddev.yml",
+    ],
+)
+def test_api_snapshots(
+    config_file,
+    copy_math_func_test_data_to_tmp,
+    evaluator_server_config_generator,
+    snapshot,
+):
+    config = EverestConfig.load_file(config_file)
+    run_model = EverestRunModel.create(config)
+    evaluator_server_config = evaluator_server_config_generator(run_model)
+    run_model.run_experiment(evaluator_server_config)
+
+    optimal_result = run_model.result
+    optimal_result_json = {
+        "batch": optimal_result.batch,
+        "controls": optimal_result.controls,
+        "total_objective": optimal_result.total_objective,
+        "expected_objectives": optimal_result.expected_objectives,
+    }
+
+    api = EverestDataAPI(config)
+    json_snapshot = make_api_snapshot(api)
+    json_snapshot["optimal_result_json"] = optimal_result_json
+    rounded_json_snapshot = _round_floats(json_snapshot, 8)
+
+    snapshot_str = (
+        orjson.dumps(rounded_json_snapshot, option=orjson.OPT_INDENT_2)
+        .decode("utf-8")
+        .strip()
+        + "\n"
+    )
+    snapshot.assert_match(snapshot_str, "snapshot.json")