diff --git a/protobuf/schema/v1/server_analyzer_service.proto b/protobuf/schema/v1/server_analyzer_service.proto
index ddf9cdc..3b482b1 100644
--- a/protobuf/schema/v1/server_analyzer_service.proto
+++ b/protobuf/schema/v1/server_analyzer_service.proto
@@ -51,8 +51,29 @@ message Error {
   int32 code = 2;
 }
 
+message QueryRequest {
+  string backend = 1;
+  string query = 2;
+}
+
+message QueryResponse {
+  Error error = 1;
+  string response = 2;
+}
+
 
 service ServerAnalyzerService {
+
+  rpc Query(QueryRequest) returns (QueryResponse) {
+    option (google.api.http) = {
+      // this is url, for RESTfull/JSON api and method
+      // this line means when a HTTP post request comes with "/v1/query" call this rpc method over this service
+      // the request body QueryRequest can be passed in to parameterize the request
+      post: "/v1/query"
+      body: "*"
+    };
+  }
+
   rpc Analyze(AnalyzeRequest) returns (AnalyzeResponse) {
     // option type is http
     option (google.api.http) = {