diff --git a/src/middleware/middleware.ts b/src/middleware/middleware.ts
index 0a406672..68e60191 100644
--- a/src/middleware/middleware.ts
+++ b/src/middleware/middleware.ts
@@ -3,6 +3,9 @@ import { /*NextFunction,*/ Request, Response } from "express";
 
 const unknownEndpointHandler = (request: Request, response: Response) => {
     logger.error(`unknown endpoint ${request.method} ${request.path}`);
+    if (request.body) {
+        logger.debug(`data provided to ${request.path}: ${String(request.body)}`);
+    }
     response.status(404).json({ error: "endpoint was not found" });
 };