diff --git a/config/slots.php b/config/slots.php
new file mode 100644
index 0000000..2ea602e
--- /dev/null
+++ b/config/slots.php
@@ -0,0 +1,10 @@
+<?php
+
+return [
+    'availability_cache_fresh_seconds' => (int) env('SLOT_CACHE_FRESH_SECONDS', 5),
+    'availability_cache_ttl_seconds' => (int) env('SLOT_CACHE_TTL_SECONDS', 15),
+    'hold_ttl_minutes' => (int) env('SLOT_HOLD_TTL_MINUTES', 5),
+    'idempotency_cache_ttl_seconds' => (int) env('SLOT_IDEMPOTENCY_TTL_SECONDS', 300),
+    'idempotency_lock_seconds' => (int) env('SLOT_IDEMPOTENCY_LOCK_SECONDS', 30),
+    'idempotency_wait_seconds' => (int) env('SLOT_IDEMPOTENCY_WAIT_SECONDS', 1),
+];