diff --git a/creyPY/const/groups.py b/creyPY/const/groups.py
new file mode 100644
index 0000000..e58e8b1
--- /dev/null
+++ b/creyPY/const/groups.py
@@ -0,0 +1,10 @@
+import enum
+
+
+class GroupMode(str, enum.Enum):
+    Minute = "1m"
+    Hour = "1h"
+    Day = "1d"
+    Week = "7d"
+    Month = "1mo"
+    Year = "1y"
diff --git a/creyPY/fastapi/__init__.py b/creyPY/fastapi/__init__.py
new file mode 100644
index 0000000..e69de29