diff --git a/services/api-server/tests/unit/api_solvers/conftest.py b/services/api-server/tests/unit/api_solvers/conftest.py
index 62974eb1ed9c..49be43bd01aa 100644
--- a/services/api-server/tests/unit/api_solvers/conftest.py
+++ b/services/api-server/tests/unit/api_solvers/conftest.py
@@ -3,7 +3,10 @@
 # pylint: disable=unused-variable
 
 
-from typing import Iterator
+import json
+from copy import deepcopy
+from pathlib import Path
+from typing import Any, Iterator
 
 import pytest
 import respx
@@ -13,18 +16,34 @@
 from simcore_service_api_server.core.settings import ApplicationSettings
 
 
+@pytest.fixture(scope="session")
+def catalog_service_openapi_specs(osparc_simcore_services_dir: Path) -> dict[str, Any]:
+
+    openapi_path = osparc_simcore_services_dir / "catalog" / "openapi.json"
+    openapi_specs = json.loads(openapi_path.read_text())
+    return openapi_specs
+
+
 @pytest.fixture
-def mocked_catalog_service_api(app: FastAPI) -> Iterator[MockRouter]:
+def mocked_catalog_service_api(
+    app: FastAPI, catalog_service_openapi_specs: dict[str, Any]
+) -> Iterator[MockRouter]:
     settings: ApplicationSettings = app.state.settings
     assert settings.API_SERVER_CATALOG
 
+    openapi = deepcopy(catalog_service_openapi_specs)
+    schemas = openapi["components"]["schemas"]
+
     # pylint: disable=not-context-manager
     with respx.mock(
-        base_url=settings.API_SERVER_CATALOG.base_url,
+        base_url=settings.API_SERVER_CATALOG.api_base_url,
         assert_all_called=False,
         assert_all_mocked=True,
     ) as respx_mock:
 
+        respx_mock.get("/meta").respond(200, json=schemas["Meta"]["example"])
+
+        # ----
         respx_mock.get(
             "/services?user_id=1&details=false", name="list_services"
         ).respond(
@@ -42,4 +61,19 @@ def mocked_catalog_service_api(app: FastAPI) -> Iterator[MockRouter]:
             ],
         )
 
+        # -----
+        # NOTE: we could use https://python-jsonschema.readthedocs.io/en/stable/
+        #
+
+        # https://regex101.com/r/drVAGr/1
+        respx_mock.get(
+            path__regex=r"/services/(?P<service_key>[\w%]+)/(?P<service_version>[\d\.]+)/ports\?user_id=(?P<user_id>\d+)",
+            name="list_service_ports",
+        ).respond(
+            200,
+            json=[
+                schemas["ServicePortGet"]["example"],
+            ],
+        )
+
         yield respx_mock
diff --git a/services/api-server/tests/unit/api_solvers/test_api_routers_solvers.py b/services/api-server/tests/unit/api_solvers/test_api_routers_solvers.py
index 59c789c385b9..893095e5de63 100644
--- a/services/api-server/tests/unit/api_solvers/test_api_routers_solvers.py
+++ b/services/api-server/tests/unit/api_solvers/test_api_routers_solvers.py
@@ -6,6 +6,7 @@
 import httpx
 import pytest
 import simcore_service_api_server.api.routes.solvers
+from pytest_mock import MockFixture
 from respx import MockRouter
 from simcore_service_api_server.models.schemas.solvers import Solver
 from starlette import status
@@ -15,7 +16,7 @@
 async def test_list_solvers(
     client: httpx.AsyncClient,
     mocked_catalog_service_api: MockRouter,
-    mocker,
+    mocker: MockFixture,
 ):
     warn = mocker.patch.object(
         simcore_service_api_server.api.routes.solvers.logger, "warning"
@@ -60,3 +61,29 @@ async def test_list_solvers(
         assert f"GET latest {solver.id}" in resp2.json()["errors"][0]
 
         # assert Solver(**resp2.json()) == Solver(**resp3.json())
+
+
+async def test_list_solver_ports(
+    client: httpx.AsyncClient,
+    auth: httpx.BasicAuth,
+    mocked_catalog_service_api: MockRouter,
+):
+    resp = await client.get(
+        "/v0/solvers/simcore/services/comp/itis/sleeper/releases/2.1.4/ports",
+        auth=auth,
+    )
+    assert resp.status_code == status.HTTP_200_OK
+
+    assert resp.json() == [
+        {
+            "name": "input_1",
+            "kind": "input",
+            "content_schema": {
+                "title": "Sleep interval",
+                "type": "integer",
+                "x_unit": "second",
+                "minimum": 0,
+                "maximum": 5,
+            },
+        }
+    ]