diff --git a/dev-requirements.txt b/dev-requirements.txt
index d9bb64357f1..53f3198fec3 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,5 +1,5 @@
 black
-ert-storage==0.1.7
+ert-storage==0.2.0
 flaky
 pytest>=6.2.0
 pytest-qt
diff --git a/ert3/storage/_storage.py b/ert3/storage/_storage.py
index ff869ec845a..5ad8d01c550 100644
--- a/ert3/storage/_storage.py
+++ b/ert3/storage/_storage.py
@@ -122,7 +122,7 @@ def _get_experiment_by_name(experiment_name: str) -> Dict[str, Any]:
 
 def init(*, workspace: Path) -> None:
     response = _get_from_server(path="experiments")
-    experiment_names = {exp["name"]: exp["ensembles"] for exp in response.json()}
+    experiment_names = {exp["name"]: exp["ensemble_ids"] for exp in response.json()}
 
     for special_key in _SPECIAL_KEYS:
         if f"{workspace}.{special_key}" in experiment_names:
@@ -219,7 +219,7 @@ def _add_numerical_data(
         record_type=_get_record_type(ensemble_record),
     )
 
-    ensemble_id = experiment["ensembles"][0]  # currently just one ens per exp
+    ensemble_id = experiment["ensemble_ids"][0]  # currently just one ens per exp
     record_url = f"ensembles/{ensemble_id}/records/{record_name}"
 
     for idx, record in enumerate(ensemble_record.records):
@@ -238,7 +238,7 @@ def _add_numerical_data(
             raise ert3.exceptions.StorageError(response.text)
 
         meta_response = _put_to_server(
-            path=f"{record_url}/metadata",
+            path=f"{record_url}/userdata",
             params={"realization_index": idx},
             json=metadata.dict(),
         )
@@ -282,7 +282,7 @@ def _response2record(
 
 def _get_numerical_metadata(ensemble_id: str, record_name: str) -> _NumericalMetaData:
     response = _get_from_server(
-        path=f"ensembles/{ensemble_id}/records/{record_name}/metadata",
+        path=f"ensembles/{ensemble_id}/records/{record_name}/userdata",
         params={"realization_index": 0},  # This assumes there is a realization 0
     )
 
@@ -306,7 +306,7 @@ def _get_numerical_data(
             f"Cannot get {record_name} data, no experiment named: {experiment_name}"
         )
 
-    ensemble_id = experiment["ensembles"][0]  # currently just one ens per exp
+    ensemble_id = experiment["ensemble_ids"][0]  # currently just one ens per exp
     metadata = _get_numerical_metadata(ensemble_id, record_name)
 
     records = []
@@ -371,7 +371,7 @@ def get_ensemble_record_names(
             f"Cannot get record names of non-existing experiment: {experiment_name}"
         )
 
-    ensemble_id = experiment["ensembles"][0]  # currently just one ens per exp
+    ensemble_id = experiment["ensemble_ids"][0]  # currently just one ens per exp
     response = _get_from_server(path=f"ensembles/{ensemble_id}/records")
     if response.status_code != 200:
         raise ert3.exceptions.StorageError(response.text)
@@ -388,7 +388,7 @@ def get_experiment_parameters(
             f"Cannot get parameters from non-existing experiment: {experiment_name}"
         )
 
-    ensemble_id = experiment["ensembles"][0]  # currently just one ens per exp
+    ensemble_id = experiment["ensemble_ids"][0]  # currently just one ens per exp
     response = _get_from_server(path=f"ensembles/{ensemble_id}/parameters")
     if response.status_code != 200:
         raise ert3.exceptions.StorageError(response.text)
diff --git a/ert_shared/storage/extraction.py b/ert_shared/storage/extraction.py
index 86f7b4f7a22..1f30141c0d6 100644
--- a/ert_shared/storage/extraction.py
+++ b/ert_shared/storage/extraction.py
@@ -34,7 +34,7 @@ def create_ensemble(
         parameter_names=parameter_names,
         response_names=response_names,
         update_id=update_id,
-        metadata={"name": ert.get_current_case_name()},
+        userdata={"name": ert.get_current_case_name()},
     )
 
 
diff --git a/setup.py b/setup.py
index dc79bcfc5c6..7b89fb3b560 100644
--- a/setup.py
+++ b/setup.py
@@ -107,7 +107,7 @@ def package_files(directory):
     ],
     extras_require={
         "storage": [
-            "ert-storage==0.1.8",
+            "ert-storage==0.2.0",
         ],
     },
     setup_requires=["pytest-runner", "setuptools_scm"],
diff --git a/tests/storage/test_extraction.py b/tests/storage/test_extraction.py
index 6592e406f31..324fe15cab4 100644
--- a/tests/storage/test_extraction.py
+++ b/tests/storage/test_extraction.py
@@ -169,11 +169,11 @@ def test_empty_ensemble(client):
     # Name is "default"
     for ens in client.get(f"/experiments/{id}/ensembles").json():
         assert (
-            client.get(f"/ensembles/{ens['id']}/metadata").json()["name"] == "default"
+            client.get(f"/ensembles/{ens['id']}/userdata").json()["name"] == "default"
         )
 
     # No priors exist
-    assert client.get(f"/experiments/{id}/priors").json() == {}
+    assert client.get(f"/experiments/{id}").json()["priors"] == {}
 
 
 def test_empty_ensemble_with_name(client):
@@ -189,7 +189,7 @@ def test_empty_ensemble_with_name(client):
     # Compare results
     id = client.fetch_experiment()
     for ens in client.get(f"/experiments/{id}/ensembles").json():
-        assert client.get(f"/ensembles/{ens['id']}/metadata").json()["name"] == name
+        assert client.get(f"/ensembles/{ens['id']}/userdata").json()["name"] == name
 
 
 def test_priors(client):
@@ -209,7 +209,7 @@ def test_priors(client):
 
     # Compare results
     id = client.fetch_experiment()
-    actual_priors = client.get(f"/experiments/{id}/priors").json()
+    actual_priors = client.get(f"/experiments/{id}").json()["priors"]
     assert len(priors) == len(actual_priors)
     for name, _, resp in priors:
         assert actual_priors[f"COEFFS:{name}"] == resp