diff --git a/calibrestekje/api.py b/calibrestekje/api.py
new file mode 100644
index 0000000..3c19e95
--- /dev/null
+++ b/calibrestekje/api.py
@@ -0,0 +1,11 @@
+"""User facing API."""
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import Session
+
+from calibrestekje.bindings import *  # noqa
+
+
+def init_session(url: str):
+    """Initialise a SQLAlchemy session against a Calibre database."""
+    return Session(create_engine(url))