diff --git a/api/index.js b/api/index.js
index 3e4c68b0..cc6e75e9 100644
--- a/api/index.js
+++ b/api/index.js
@@ -55,8 +55,8 @@ export default async (req, res) => {
       totalPRs: req.query.totalPRs,
       contributedTo: req.query.contributedTo,
       rank: {
-        level: req.query.level,
-        score: req.query.score
+        level: req.query.level || 'S',
+        score: req.query.score || 10
       },
       starsTitle: req.query.starsTitle,
       commitsTitle: req.query.commitsTitle,