diff --git a/common/api.js b/common/api.js
index 3f05d17..aa905f0 100644
--- a/common/api.js
+++ b/common/api.js
@@ -939,11 +939,19 @@ var default_api = 'https://api.global-interaction.com/';
         ]);
     }
 
-    function normalizeAmountUsd(value) {
-        var amount = Number(value || 0);
+    function normalizeFormattedNumber(value) {
+        // Yumi legacy commodity responses can serialize large numeric values with
+        // thousands separators (for example, "27,600,000"). Normalizing at the
+        // adapter boundary preserves the server's numeric value before display
+        // and order payload fields independently fall back to zero.
+        var amount = Number(String(value || 0).replace(/,/g, ''));
         return Number.isFinite(amount) && amount > 0 ? amount : 0;
     }
 
+    function normalizeAmountUsd(value) {
+        return normalizeFormattedNumber(value);
+    }
+
     function decimalToMinor(value) {
         return Math.round(normalizeAmountUsd(value) * 100);
     }
@@ -1042,8 +1050,10 @@ var default_api = 'https://api.global-interaction.com/';
         options = options || {};
         var products = (options.commodity || options.products || []).map(
             function (item) {
-                var content = Number(item.content || 0);
-                var awardContent = Number(
+                // Coin quantities use the same formatter because Yumi returns
+                // content as a comma-formatted string while the UI expects a number.
+                var content = normalizeFormattedNumber(item.content);
+                var awardContent = normalizeFormattedNumber(
                     item.awardContent || item.award_content || 0
                 );
                 var amountUsd = normalizeAmountUsd(