diff --git a/frontend/src/api.ts b/frontend/src/api.ts
index e1cc551..d264c47 100644
--- a/frontend/src/api.ts
+++ b/frontend/src/api.ts
@@ -29,7 +29,7 @@ export function updateLocation(id: number, body: Partial<Location>): Promise<Loc
   return request(`/locations/${id}`, { method: 'PATCH', body: JSON.stringify(body) })
 }
 export function syncNewbookRooms(): Promise<{ ok: boolean; created: number; updated: number; total: number }> {
-  return request('/locations/sync-newbook', { method: 'POST' })
+  return request('/locations/sync-newbook', { method: 'POST', body: JSON.stringify({}) })
 }
 export function createCategory(body: { name: string; sort_order?: number; is_rooms?: boolean }): Promise<Category> {
   return request('/categories', { method: 'POST', body: JSON.stringify(body) })
@@ -193,7 +193,7 @@ export function updateTemplate(id: number, body: Record<string, unknown>): Promi
   return request(`/templates/${id}`, { method: 'PATCH', body: JSON.stringify(body) })
 }
 export function runDueTemplates(): Promise<{ ok: boolean; spawned: number }> {
-  return request('/templates/run-due', { method: 'POST' })
+  return request('/templates/run-due', { method: 'POST', body: JSON.stringify({}) })
 }
 
 // Config