diff --git a/token.go b/token.go
new file mode 100644
index 0000000..9700216
--- /dev/null
+++ b/token.go
@@ -0,0 +1,7 @@
+package budgeteer
+
+// Token contains data that authenticates a user
+type Token interface {
+	GetUsername() string
+	GetExpiry() int
+}