diff --git a/nostr_core/core_relays.c b/nostr_core/core_relays.c
index 392fee8a..e30ca32e 100644
--- a/nostr_core/core_relays.c
+++ b/nostr_core/core_relays.c
@@ -322,6 +322,23 @@ cJSON** synchronous_query_relays_with_progress(
                             nostr_ws_close(relay->client);
                             relay->client = NULL;
                         }
+                    } else if (msg_type && (strcmp(msg_type, "NOTICE") == 0 ||
+                                             strcmp(msg_type, "CLOSED") == 0)) {
+                        /* Capture NOTICE and CLOSED messages from the relay.
+                         * These often contain auth-required or restriction
+                         * notices. Pass the message content to the callback. */
+                        const char* notice_msg = "";
+                        if (cJSON_IsArray(parsed) && cJSON_GetArraySize(parsed) >= 2) {
+                            cJSON* msg_json = cJSON_GetArrayItem(parsed, 1);
+                            if (msg_json && cJSON_IsString(msg_json)) {
+                                notice_msg = cJSON_GetStringValue(msg_json);
+                            }
+                        }
+                        if (callback) {
+                            callback(relay->url, msg_type, notice_msg,
+                                    relay->events_received, relay_count,
+                                    completed_relays, user_data);
+                        }
                     }
                     
                     if (msg_type) free(msg_type);