diff --git a/api/core.go b/api/core.go
index 088e9c7f..364111c0 100644
--- a/api/core.go
+++ b/api/core.go
@@ -519,6 +519,12 @@ type (
 		Decimals uint32 `serix:""`
 	}
 
+	// NetworkHealthResponse defines the network health response.
+	NetworkHealthResponse struct {
+		// Whether the network is healthy (finalization is not delayed).
+		IsNetworkHealthy bool `serix:""`
+	}
+
 	// NetworkMetricsResponse defines the network metrics response.
 	NetworkMetricsResponse struct {
 		// The current rate of new blocks per second, it's updated when a commitment is committed.
diff --git a/api/core_test.go b/api/core_test.go
index f0c92ba7..d87e3cfd 100644
--- a/api/core_test.go
+++ b/api/core_test.go
@@ -52,6 +52,15 @@ func Test_CoreAPIDeSerialize(t *testing.T) {
 			SeriErr:   nil,
 			DeSeriErr: nil,
 		},
+		{
+			Name: "ok - NetworkHealthResponse",
+			Source: &api.NetworkHealthResponse{
+				IsNetworkHealthy: true,
+			},
+			Target:    &api.NetworkHealthResponse{},
+			SeriErr:   nil,
+			DeSeriErr: nil,
+		},
 		{
 			Name: "ok - NetworkMetricsResponse",
 			Source: &api.NetworkMetricsResponse{
@@ -434,6 +443,15 @@ func Test_CoreAPIJSONSerialization(t *testing.T) {
 		"subunit": "glow",
 		"decimals": 6
 	}
+}`,
+		},
+		{
+			Name: "ok - NetworkHealthResponse",
+			Source: &api.NetworkHealthResponse{
+				IsNetworkHealthy: true,
+			},
+			Target: `{
+	"isNetworkHealthy": true
 }`,
 		},
 		{
diff --git a/api/endpoints.go b/api/endpoints.go
index f8dd4676..2013cdc7 100644
--- a/api/endpoints.go
+++ b/api/endpoints.go
@@ -90,6 +90,12 @@ const (
 	MIMEApplicationVendorIOTASerializerV2 = "application/vnd.iota.serializer-v2"
 )
 
+// HealthResponse defines the health response.
+type HealthResponse struct {
+	// Whether the node is healthy.
+	IsHealthy bool `serix:""`
+}
+
 var (
 	// RouteHealth is the route for querying a node's health status.
 	RouteHealth = "/health"
diff --git a/nodeclient/http_api_client_test.go b/nodeclient/http_api_client_test.go
index 117381f9..927b249a 100644
--- a/nodeclient/http_api_client_test.go
+++ b/nodeclient/http_api_client_test.go
@@ -146,18 +146,18 @@ func nodeClient(t *testing.T) *nodeclient.Client {
 func TestClient_Health(t *testing.T) {
 	defer gock.Off()
 
-	gock.New(nodeAPIUrl).
-		Get(api.RouteHealth).
-		Reply(200)
+	mockGetJSON(api.RouteHealth, 200, &api.HealthResponse{
+		IsHealthy: true,
+	})
 
 	nodeAPI := nodeClient(t)
 	healthy, err := nodeAPI.Health(context.Background())
 	require.NoError(t, err)
 	require.True(t, healthy)
 
-	gock.New(nodeAPIUrl).
-		Get(api.RouteHealth).
-		Reply(503)
+	mockGetJSON(api.RouteHealth, 503, &api.HealthResponse{
+		IsHealthy: false,
+	})
 
 	healthy, err = nodeAPI.Health(context.Background())
 	require.NoError(t, err)
@@ -167,18 +167,18 @@ func TestClient_Health(t *testing.T) {
 func TestClient_NetworkHealth(t *testing.T) {
 	defer gock.Off()
 
-	gock.New(nodeAPIUrl).
-		Get(api.CoreRouteNetworkHealth).
-		Reply(200)
+	mockGetJSON(api.CoreRouteNetworkHealth, 200, &api.NetworkHealthResponse{
+		IsNetworkHealthy: true,
+	})
 
 	nodeAPI := nodeClient(t)
 	healthy, err := nodeAPI.NetworkHealth(context.Background())
 	require.NoError(t, err)
 	require.True(t, healthy)
 
-	gock.New(nodeAPIUrl).
-		Get(api.CoreRouteNetworkHealth).
-		Reply(503)
+	mockGetJSON(api.CoreRouteNetworkHealth, 503, &api.NetworkHealthResponse{
+		IsNetworkHealthy: false,
+	})
 
 	healthy, err = nodeAPI.NetworkHealth(context.Background())
 	require.NoError(t, err)