diff --git a/api/proto/auth.proto b/api/proto/auth.proto
new file mode 100644
index 0000000..4b245e9
--- /dev/null
+++ b/api/proto/auth.proto
@@ -0,0 +1,46 @@
+syntax="proto3";
+package auth;
+option go_package = "./";
+
+// go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
+// go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
+// go get google.golang.org/grpc
+
+// protoc -I=api/proto --go_out=pkg/api --go_opt=paths=source_relative --go-grpc_out=pkg/api --go-grpc_opt=paths=source_relative api/proto/auth.proto
+
+// Логин пользователя
+message LoginRequest {
+    string Login = 1;
+    string Password = 2;
+}
+
+message LoginResponse {
+    int32 ID = 1;
+}
+
+// Регистрация пользователя
+message RegistrationRequest {
+    string Login = 1;
+    string Email = 2;
+}
+
+message RegistrationResponse {
+    string Code = 1;
+    string Email = 2;
+}
+
+// Подтверждение пользователя
+message ConfirmationRequest {
+    string Code = 1;
+}
+
+message ConfirmationResponse {
+    int32 ID = 1;
+}
+
+// ...
+service AuthDB {
+    rpc Login(LoginRequest) returns (LoginResponse){}
+    rpc Registration(RegistrationRequest) returns(RegistrationResponse){}
+    rpc Confirmation(ConfirmationRequest) returns(ConfirmationResponse){}
+}
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..8a5a39b
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,13 @@
+module test3k/umate
+
+go 1.19
+
+require (
+	github.com/golang/protobuf v1.5.2 // indirect
+	golang.org/x/net v0.4.0 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/text v0.5.0 // indirect
+	google.golang.org/genproto v0.0.0-20221118155620-16455021b5e6 // indirect
+	google.golang.org/grpc v1.52.3 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..7f6935c
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,19 @@
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+golang.org/x/net v0.4.0 h1:Q5QPcMlvfxFTAPV0+07Xz/MpK9NTXu2VDUuy0FeMfaU=
+golang.org/x/net v0.4.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
+golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ=
+golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.5.0 h1:OLmvp0KP+FVG99Ct/qFiL/Fhk4zp4QQnZ7b2U+5piUM=
+golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/genproto v0.0.0-20221118155620-16455021b5e6 h1:a2S6M0+660BgMNl++4JPlcAO/CjkqYItDEZwkoDQK7c=
+google.golang.org/genproto v0.0.0-20221118155620-16455021b5e6/go.mod h1:rZS5c/ZVYMaOGBfO68GWtjOw/eLaZM1X6iVtgjZ+EWg=
+google.golang.org/grpc v1.52.3 h1:pf7sOysg4LdgBqduXveGKrcEwbStiK2rtfghdzlUYDQ=
+google.golang.org/grpc v1.52.3/go.mod h1:pu6fVzoFb+NBYNAvQL08ic+lvB2IojljRYuun5vorUY=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=