diff --git a/auth/v1/internal_srv.proto b/auth/v1/internal_srv.proto
index b7d402c..4d006f5 100644
--- a/auth/v1/internal_srv.proto
+++ b/auth/v1/internal_srv.proto
@@ -3,7 +3,10 @@ syntax = "proto3";
 package auth.v1;
 
 import "auth/v1/msg.proto";
+import "base/v1/msg.proto";
 
 service InternalAuthorizationService {
-    rpc LookUpName(LookUpNameReq) returns (LookUpNameRes) {}
-}
\ No newline at end of file
+  rpc LookUpName(LookUpNameReq) returns (LookUpNameRes) {}
+  // This meant to only be used in a worker process
+  rpc FetchBasicUserInfoList(base.v1.Empty) returns (BasicUserInfoList) {}
+}
diff --git a/auth/v1/msg.proto b/auth/v1/msg.proto
index 51db28b..b92f955 100644
--- a/auth/v1/msg.proto
+++ b/auth/v1/msg.proto
@@ -247,3 +247,14 @@ message LookUpNameReq {
 message LookUpNameRes {
   Recipient recipient = 1;
 }
+
+message BasicUserInfo {
+  string name = 1;
+  string national_id = 2;
+  string pub_key = 3;
+  int64 user_id = 4;
+}
+
+message BasicUserInfoList {
+  repeated BasicUserInfo list = 1;
+}