diff --git a/.changeset/fluffy-eels-happen.md b/.changeset/fluffy-eels-happen.md
new file mode 100644
index 00000000..839b5eeb
--- /dev/null
+++ b/.changeset/fluffy-eels-happen.md
@@ -0,0 +1,5 @@
+---
+"@rebilly/client-php": patch
+---
+
+docs(api-definitions): Add expand to KYC request get Rebilly/rebilly#6306
diff --git a/src/Api/KycRequestsApi.php b/src/Api/KycRequestsApi.php
index 2e5f17fc..6ea9e324 100644
--- a/src/Api/KycRequestsApi.php
+++ b/src/Api/KycRequestsApi.php
@@ -80,12 +80,14 @@ public function getAll(
         ?int $offset = null,
         ?string $filter = null,
         ?array $sort = null,
+        ?string $expand = null,
     ): Collection {
         $queryParams = [
             'limit' => $limit,
             'offset' => $offset,
             'filter' => $filter,
             'sort' => $sort ? implode(',', $sort) : null,
+            'expand' => $expand,
         ];
         $uri = '/kyc-requests?' . http_build_query($queryParams);
 
@@ -111,12 +113,14 @@ public function getAllPaginator(
         ?int $offset = null,
         ?string $filter = null,
         ?array $sort = null,
+        ?string $expand = null,
     ): Paginator {
         $closure = fn (?int $limit, ?int $offset): Collection => $this->getAll(
             limit: $limit,
             offset: $offset,
             filter: $filter,
             sort: $sort,
+            expand: $expand,
         );
 
         return new Paginator(