diff --git a/plugins/outputs/azure_monitor/azure_monitor.go b/plugins/outputs/azure_monitor/azure_monitor.go
index 398be55cd..89291b2e6 100644
--- a/plugins/outputs/azure_monitor/azure_monitor.go
+++ b/plugins/outputs/azure_monitor/azure_monitor.go
@@ -357,9 +357,9 @@ func (a *AzureMonitor) send(body []byte) error {
 	}
 	defer resp.Body.Close()
 
-	_, err = io.ReadAll(resp.Body)
+	respbody, err := io.ReadAll(resp.Body)
 	if err != nil || resp.StatusCode < 200 || resp.StatusCode > 299 {
-		return fmt.Errorf("failed to write batch: [%v] %s", resp.StatusCode, resp.Status)
+		return fmt.Errorf("failed to write batch: [%v] %s: %s", resp.StatusCode, resp.Status, string(respbody))
 	}
 
 	return nil