diff --git a/sunlight.go b/sunlight.go
index 36e66e0..5ff4de4 100644
--- a/sunlight.go
+++ b/sunlight.go
@@ -1 +1,9 @@
 package sunlightApi
+
+import "net/url"
+
+// SunlightAPI is the interface for all of the
+// Sunlight Foundation's APIs
+type SunlightAPI interface {
+	call(string, url.Values) ([]byte, error)
+}