diff --git a/datastore.proto b/datastore.proto
new file mode 100644
index 0000000..ffcf832
--- /dev/null
+++ b/datastore.proto
@@ -0,0 +1,32 @@
+syntax = "proto3";
+
+option go_package = "git.itzana.me/strafesnet/go-grpc/datastore";
+
+package datastore;
+
+import "google/protobuf/struct.proto";
+
+service DatastoreService {
+  rpc Get(KeyMessage) returns (ObjectResponse);
+  rpc Update(UpdateMessage) returns (ObjectResponse);
+  rpc Delete(KeyMessage) returns (NullResponse);
+}
+
+message KeyMessage {
+  string Key = 1;
+}
+
+message UpdateMessage {
+  string Key = 1;
+  google.protobuf.Struct Updates = 2;
+  google.protobuf.Struct Deletes = 3;
+}
+
+message ObjectResponse {
+  string Key = 1;
+  google.protobuf.Struct Data = 2;
+}
+
+message NullResponse {
+
+}
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