diff --git a/src/entities/batch-job-log/api/batchJobLogApi.test.ts b/src/entities/batch-job-log/api/batchJobLogApi.test.ts
new file mode 100644
index 0000000..c590460
--- /dev/null
+++ b/src/entities/batch-job-log/api/batchJobLogApi.test.ts
@@ -0,0 +1,41 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
+const apiClientMock = vi.hoisted(() => ({
+  get: vi.fn(),
+  post: vi.fn(),
+}));
+
+vi.mock('@/shared/api', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('@/shared/api')>();
+  return { ...actual, apiClient: apiClientMock };
+});
+
+import { fetchBatchJobLogs } from './batchJobLogApi';
+
+describe('배치 작업 로그 조회 API', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('페이지 크기를 백엔드 Pageable 이름인 size로 변환해 전송한다', async () => {
+    apiClientMock.get.mockResolvedValue({
+      data: { data: [], meta: { page: 2, totalCount: 12, totalPages: 2 } },
+    });
+
+    await fetchBatchJobLogs({ page: 2, pageSize: 10, status: 'FAILED' });
+
+    expect(apiClientMock.get).toHaveBeenCalledWith('/v1/admin/batch-job-logs', {
+      params: { page: 2, size: 10, status: 'FAILED' },
+    });
+  });
+
+  it('응답 meta와 요청 pageSize로 PageResult를 구성한다', async () => {
+    apiClientMock.get.mockResolvedValue({
+      data: { data: [], meta: { page: 1, totalCount: 12, totalPages: 2 } },
+    });
+
+    const result = await fetchBatchJobLogs({ page: 1, pageSize: 10 });
+
+    expect(result).toEqual({ items: [], page: 1, pageSize: 10, totalCount: 12 });
+  });
+});
diff --git a/src/entities/batch-job-log/api/batchJobLogApi.ts b/src/entities/batch-job-log/api/batchJobLogApi.ts
index 9c54f52..529322f 100644
--- a/src/entities/batch-job-log/api/batchJobLogApi.ts
+++ b/src/entities/batch-job-log/api/batchJobLogApi.ts
@@ -13,11 +13,14 @@ export interface BatchJobLogSearchParams extends PageParams {
 export async function fetchBatchJobLogs(
   params: BatchJobLogSearchParams,
 ): Promise<PageResult<BatchJobLogDto>> {
+  // 백엔드는 Spring Pageable이라 페이지 크기를 `size`라는 이름으로만 받는다(policyApi #126 관례).
+  // `pageSize` 그대로 보내면 조용히 무시되어 @PageableDefault(size=20)로 응답해 페이지 이동이 어긋난다.
+  const { pageSize, ...filters } = params;
   const response = await apiClient.get<ApiPageEnvelope<BatchJobLogDto>>(
     '/v1/admin/batch-job-logs',
-    { params },
+    { params: { ...filters, size: pageSize } },
   );
-  return toPageResult(response.data, params.pageSize);
+  return toPageResult(response.data, pageSize);
 }
 
 // 관리자 대시보드의 "수동 강제 동기화" 버튼이 호출한다. 비동기로 전체 동기화를 시작시키고 202를