diff --git a/proto/auth.proto b/proto/auth.proto
index 67be843..b451838 100644
--- a/proto/auth.proto
+++ b/proto/auth.proto
@@ -2,10 +2,15 @@ syntax = "proto3";
 
 package auth.v1;
 
+import "google/protobuf/empty.proto";
+
 service AuthService {
   rpc SendOtp(SendOtpRequest) returns (SendOtpResponse);
   rpc VerifyOtp(VerifyOtpRequest) returns (VerifyOtpResponse);
   rpc Refresh(RefreshRequest) returns (RefreshResponse);
+
+  rpc TelegramInit(google.protobuf.Empty) returns (TelegramInitResponse);
+  rpc TelegramVerify(TelegramVerifyRequest) returns (TelegramVerifyResponse);
 }
 
 message SendOtpRequest {
@@ -36,3 +41,17 @@ message RefreshResponse {
   string access_token = 1;
   string refresh_token = 2;
 }
+
+message TelegramInitResponse {
+  string url = 1;
+}
+message TelegramVerifyRequest {
+  map<string, string> query = 1;
+}
+message TelegramVerifyResponse {
+  oneof result {
+    string url = 1;
+    string access_token = 2;
+    string refresh_token = 3;
+  }
+}