diff --git a/packages/core/errors/fetch-error.js b/packages/core/errors/fetch-error.js
index 064d1a4cd..48bfdb7f4 100644
--- a/packages/core/errors/fetch-error.js
+++ b/packages/core/errors/fetch-error.js
@@ -12,14 +12,14 @@ class FetchError extends BaseError {
     constructor(options = {}) {
         const { resource, init, response, responseBody } = options;
         const method = init?.method ?? 'GET';
-        const initText = init
+        let initText = init
             ? init.body instanceof URLSearchParams
                 ? (() => {
-                      init.body = init.body.toString();
-                      return JSON.stringify({ init }, null, 2);
-                  })()
+                    init.body = init.body.toString();
+                    return JSON.stringify({ init }, null, 2);
+                })()
                 : JSON.stringify({ init }, null, 2)
-            : '';        
+            : '';
 
         let responseBodyText = '<response body is unavailable>';
         if (typeof responseBody === 'string') {
@@ -35,10 +35,17 @@ class FetchError extends BaseError {
             }
         }
 
-        const responseHeaderText = response
+        let responseHeaderText = response
             ? JSON.stringify({ headers: responseHeaders }, null, 2)
             : '';
 
+        // sanitize error reporting
+        if (process.env.STAGE !== 'dev') {
+            initText = false;
+            responseHeaderText = false;
+            responseBodyText = false;
+        }
+
         const messageParts = [
             stripIndent`
                 -----------------------------------------------------