From 3f81aa74036d6ab28692f4f0bd5ffd06847584ba Mon Sep 17 00:00:00 2001
From: Sander Dorigo <git@sanderdorigo.nl>
Date: Thu, 2 Oct 2025 10:15:18 +0200
Subject: [PATCH] Fix #10988

---
 app/Api/V1/Requests/Data/DateRequest.php | 10 ++++++++++
 changelog.md                             |  1 +
 2 files changed, 11 insertions(+)

diff --git a/app/Api/V1/Requests/Data/DateRequest.php b/app/Api/V1/Requests/Data/DateRequest.php
index 7ba1861086..05125a8868 100644
--- a/app/Api/V1/Requests/Data/DateRequest.php
+++ b/app/Api/V1/Requests/Data/DateRequest.php
@@ -46,6 +46,16 @@ class DateRequest extends FormRequest
     {
         $start = $this->getCarbonDate('start');
         $end   = $this->getCarbonDate('end');
+        if(null === $start) {
+            $start = now()->startOfMonth();
+        }
+        if(null === $end) {
+            $end = now()->endOfMonth();
+        }
+        // sanity check on dates:
+        [$start, $end]             = $end < $start ? [$end, $start] : [$start, $end];
+
+
         $start->startOfDay();
         $end->endOfDay();
         if ($start->diffInYears($end, true) > 5) {
diff --git a/changelog.md b/changelog.md
index a165d12d9b..1c9594c475 100644
--- a/changelog.md
+++ b/changelog.md
@@ -25,6 +25,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - [Issue 10956](https://github.com/firefly-iii/firefly-iii/issues/10956) (Manual webhook trigger fail) reported by @dudu7731
 - [Issue 10960](https://github.com/firefly-iii/firefly-iii/issues/10960) (404 after deleting subscription) reported by @lindely
 - [Discussion 10974](https://github.com/orgs/firefly-iii/discussions/10974) (Big webhook_messages table) started by @Billos
+- #10988
 - [Issue 10990](https://github.com/firefly-iii/firefly-iii/issues/10990) (duplicate piggy event via API) reported by @4e868df3
 
 ### API