diff --git a/src/graph/fragments/topology.ts b/src/graph/fragments/topology.ts
new file mode 100644
index 00000000..ea4caf02
--- /dev/null
+++ b/src/graph/fragments/topology.ts
@@ -0,0 +1,113 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export const ServiceTopology = {
+  variable: "$duration: Duration!, $serviceId: ID!",
+  query: `
+  topo: getServiceTopology(duration: $duration, serviceId: $serviceId) {
+    nodes {
+      id
+      name
+      type
+      isReal
+    }
+    calls {
+      id
+      source
+      detectPoints
+      target
+    }
+  }`,
+};
+export const GlobalTopology = {
+  variable: "$duration: Duration!",
+  query: `
+  topo: getGlobalTopology(duration: $duration) {
+    nodes {
+      id
+      name
+      type
+      isReal
+    }
+    calls {
+      id
+      source
+      detectPoints
+      target
+    }
+  }`,
+};
+export const ServicesTopology = {
+  variable: "$duration: Duration!, $serviceIds: [ID!]!",
+  query: `
+  topo: getServicesTopology(duration: $duration, serviceIds: $serviceIds) {
+    nodes {
+      id
+      name
+      type
+      isReal
+    }
+    calls {
+      id
+      source
+      detectPoints
+      target
+    }
+  }`,
+};
+export const EndpointTopology = {
+  variable: ["$endpointId: ID!", "$duration: Duration!"],
+  query: `
+  endpointTopology: getEndpointDependencies(endpointId: $endpointId, duration: $duration) {
+    nodes {
+      id
+      name
+      serviceId
+      serviceName
+      type
+      isReal
+    }
+    calls {
+      id
+      source
+      target
+      detectPoints
+    }
+  }`,
+};
+export const InstanceTopology = {
+  variable:
+    "$clientServiceId: ID!, $serverServiceId: ID!, $duration: Duration!",
+  query: `
+  topo: getServiceInstanceTopology(clientServiceId: $clientServiceId,
+    serverServiceId: $serverServiceId, duration: $duration) {
+    nodes {
+      id
+      name
+      type
+      isReal
+      serviceName
+      serviceId
+    }
+    calls {
+      id
+      source
+      detectPoints
+      target
+    }
+  }
+`,
+};
diff --git a/src/graph/query/topology.ts b/src/graph/query/topology.ts
new file mode 100644
index 00000000..d488480d
--- /dev/null
+++ b/src/graph/query/topology.ts
@@ -0,0 +1,27 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import {
+  InstanceTopology,
+  EndpointTopology,
+  ServiceTopology,
+  GlobalTopology,
+} from "../fragments/topology";
+
+export const getGlobalTopology = `query queryData(${GlobalTopology.variable}) {${GlobalTopology.query}}`;
+export const getInstanceTopology = `query queryData(${InstanceTopology.variable}) {${InstanceTopology.query}}`;
+export const getServiceTopology = `query queryData(${ServiceTopology.variable}) {${ServiceTopology.query}}`;
+export const getEndpointTopology = `query queryData(${EndpointTopology.variable}) {${EndpointTopology.query}}`;