diff --git a/package.json b/package.json
index 019a7ad6..22d0e894 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@fairmint/canton-node-sdk",
-  "version": "0.0.127",
+  "version": "0.0.192",
   "description": "Canton Node SDK",
   "keywords": [
     "canton",
diff --git a/src/core/http/HttpClient.ts b/src/core/http/HttpClient.ts
index 39e1355f..75b6399d 100644
--- a/src/core/http/HttpClient.ts
+++ b/src/core/http/HttpClient.ts
@@ -218,6 +218,11 @@ export class HttpClient {
         }
       }
 
+      // Non-standard bodies (e.g. reverse-proxy "404 page not found") rarely include Canton fields; the URL is the best repro hint.
+      if (error.config?.url) {
+        msg += ` [request: ${error.config.method ?? 'GET'} ${error.config.url}]`;
+      }
+
       return new ApiError(msg, status, error.response?.statusText, data);
     }
     return new NetworkError(`Request failed: ${error instanceof Error ? error.message : String(error)}`);