diff --git a/tests/test_nlx_rewriting.py b/tests/test_nlx_rewriting.py
new file mode 100644
index 0000000..42b2b68
--- /dev/null
+++ b/tests/test_nlx_rewriting.py
@@ -0,0 +1,81 @@
+from zgw_consumers.client import build_client
+from zgw_consumers.constants import AuthTypes
+from zgw_consumers.test.factories import ServiceFactory
+
+
+def test_request_url_and_response_data_rewritten(requests_mock):
+    nlx_service = ServiceFactory.create(
+        label="Service with NLX",
+        api_root="https://example.com/",
+        auth_type=AuthTypes.no_auth,
+        nlx="http://localhost:8081/:serial-number/:service/",
+    )
+    client = build_client(nlx_service)
+
+    requests_mock.get(
+        "http://localhost:8081/:serial-number/:service/some-resource",
+        json=lambda req, _: {"url": req.url},
+    )
+
+    with client:
+        response_data = client.get("some-resource").json()
+
+    assert requests_mock.last_request.method == "GET"
+    assert (
+        requests_mock.last_request.url
+        == "http://localhost:8081/:serial-number/:service/some-resource"
+    )
+    assert response_data == {"url": "https://example.com/some-resource"}
+
+
+def test_non_json_response_data(requests_mock):
+    nlx_service = ServiceFactory.create(
+        label="Service with NLX",
+        api_root="https://example.com/",
+        auth_type=AuthTypes.no_auth,
+        nlx="http://localhost:8081/:serial-number/:service/",
+    )
+    client = build_client(nlx_service)
+
+    requests_mock.get(
+        "http://localhost:8081/:serial-number/:service/some-resource",
+        content=b"AAAAA",
+    )
+
+    with client:
+        response_data = client.get("some-resource").content
+
+    assert requests_mock.last_request.method == "GET"
+    assert (
+        requests_mock.last_request.url
+        == "http://localhost:8081/:serial-number/:service/some-resource"
+    )
+    assert response_data == b"AAAAA"
+
+
+def test_service_without_nlx(requests_mock):
+    ServiceFactory.create(
+        label="Service with NLX",
+        api_root="https://example.com/",
+        auth_type=AuthTypes.no_auth,
+        nlx="http://localhost:8081/:serial-number/:service/",
+    )
+    normal_service = ServiceFactory.create(
+        label="Service without NLX",
+        api_root="https://second.example.com/",
+        auth_type=AuthTypes.no_auth,
+    )
+
+    client = build_client(normal_service)
+    requests_mock.get(
+        "https://second.example.com/some-resource",
+        json={"url": "https://example.com"},
+    )
+
+    with client:
+        response_data = client.get("some-resource").json()
+
+    assert requests_mock.last_request.method == "GET"
+    assert requests_mock.last_request.url, "https://second.example.com/some-resource"
+    # no rewriting of any sorts
+    assert response_data, {"url": "https://example.com"}