diff --git a/src/utils/proxy/api-helpers.js b/src/utils/proxy/api-helpers.js
index a02ea623..4ba5b68b 100644
--- a/src/utils/proxy/api-helpers.js
+++ b/src/utils/proxy/api-helpers.js
@@ -2,10 +2,13 @@ export function formatApiCall(url, args) {
   const find = /\{.*?\}/g;
   const replace = (match) => {
     const key = match.replace(/\{|\}/g, "");
+    if (key === "url") {
+      args[key] = args[key].replace(/\/+$/, ""); // remove trailing slashes
+    }
     return args[key] || "";
   };
 
-  return url.replace(/\/+$/, "").replace(find, replace).replace(find, replace);
+  return url.replace(find, replace).replace(find, replace);
 }
 
 export function getURLSearchParams(widget, endpoint) {