diff --git a/.changeset/rude-pumas-jog.md b/.changeset/rude-pumas-jog.md
new file mode 100644
index 00000000000..e36ccc6a6fa
--- /dev/null
+++ b/.changeset/rude-pumas-jog.md
@@ -0,0 +1,5 @@
+---
+'@clerk/backend': patch
+---
+
+Update `CreateOrganizationInvitationParams.inviterUserId` type to optional
diff --git a/packages/backend/src/api/endpoints/OrganizationApi.ts b/packages/backend/src/api/endpoints/OrganizationApi.ts
index d6bef98c0c7..92f04c3c049 100644
--- a/packages/backend/src/api/endpoints/OrganizationApi.ts
+++ b/packages/backend/src/api/endpoints/OrganizationApi.ts
@@ -78,7 +78,7 @@ type DeleteOrganizationMembershipParams = {
 
 type CreateOrganizationInvitationParams = {
   organizationId: string;
-  inviterUserId: string;
+  inviterUserId?: string;
   emailAddress: string;
   role: OrganizationMembershipRole;
   redirectUrl?: string;