diff --git a/pages/api-key-usage/ApiKeyUsagePage.tsx b/pages/api-key-usage/ApiKeyUsagePage.tsx
index 843f86b5..8f54d7d5 100644
--- a/pages/api-key-usage/ApiKeyUsagePage.tsx
+++ b/pages/api-key-usage/ApiKeyUsagePage.tsx
@@ -12,8 +12,13 @@ import { TextInput } from "@code-proxy/ui";
 import { ThemeToggleButton } from "@code-proxy/ui";
 import type { SearchableCheckboxMultiSelectOption } from "@code-proxy/ui";
 import type { TimeRange } from "@features/monitor-widgets/monitor-constants";
+import { LogContentModal } from "@features/log-content-viewer";
 import { ModelTag } from "@features/model-tags";
-import { fetchPublicLogs, fetchPublicUsageSummary } from "../api-key-lookup/api";
+import {
+  fetchPublicLogContent,
+  fetchPublicLogs,
+  fetchPublicUsageSummary,
+} from "../api-key-lookup/api";
 import {
   LookupResultsToolbar,
   type ApiKeyLookupTab,
@@ -205,6 +210,11 @@ export function ApiKeyUsagePage() {
   const [selectedModels, setSelectedModels] = useState<MultiSelectFilterState<string>>(null);
   const [selectedStatuses, setSelectedStatuses] =
     useState<MultiSelectFilterState<StatusFilterValue>>(null);
+  const [contentModal, setContentModal] = useState<{
+    id: number;
+    model: string;
+    tab: "input" | "output";
+  } | null>(null);
 
   const abortControllerRef = useRef<AbortController | null>(null);
   const fetchIdRef = useRef(0);
@@ -216,13 +226,28 @@ export function ApiKeyUsagePage() {
   const summaryAbortControllerRef = useRef<AbortController | null>(null);
   const summaryFetchIdRef = useRef(0);
 
+  const handleContentClick = useCallback(
+    (id: number, tab: "input" | "output", model: string) => setContentModal({ id, tab, model }),
+    [],
+  );
+  const fetchLogContentPart = useCallback(
+    (id: number, part: "input" | "output", options?: { signal?: AbortSignal }) =>
+      fetchPublicLogContent({
+        id,
+        apiKey: queriedKey,
+        part,
+        signal: options?.signal,
+      }),
+    [queriedKey],
+  );
+
   const logColumns = useMemo(
     () =>
-      buildRequestLogsColumns((key) => t(key), undefined, undefined, {
+      buildRequestLogsColumns((key) => t(key), handleContentClick, undefined, {
         identityColumn: "none",
         hideChannel: true,
       }),
-    [t],
+    [handleContentClick, t],
   );
 
   const modelOptions = useMemo<SearchableCheckboxMultiSelectOption[]>(() => {
@@ -293,6 +318,7 @@ export function ApiKeyUsagePage() {
     });
     setSelectedModels(null);
     setSelectedStatuses(null);
+    setContentModal(null);
     setApiKeyName("");
     setQuotaLimits(null);
     setQuotaScopes([]);
@@ -637,6 +663,15 @@ export function ApiKeyUsagePage() {
           )}
         </main>
 
+        <LogContentModal
+          open={contentModal !== null}
+          logId={contentModal?.id ?? null}
+          displayModel={contentModal?.model}
+          initialTab={contentModal?.tab}
+          onClose={() => setContentModal(null)}
+          fetchPartFn={fetchLogContentPart}
+        />
+
         <Modal
           open={keyModalOpen}
           title={t("apikey_usage.modal_title")}
diff --git a/pages/api-key-usage/__tests__/ApiKeyUsagePage.test.tsx b/pages/api-key-usage/__tests__/ApiKeyUsagePage.test.tsx
index 007ed4d6..014aecb3 100644
--- a/pages/api-key-usage/__tests__/ApiKeyUsagePage.test.tsx
+++ b/pages/api-key-usage/__tests__/ApiKeyUsagePage.test.tsx
@@ -7,15 +7,40 @@ import { ToastProvider } from "@code-proxy/ui";
 import { ApiKeyUsagePage } from "../ApiKeyUsagePage";
 
 const mocks = vi.hoisted(() => ({
+  fetchPublicLogContent: vi.fn(),
   fetchPublicLogs: vi.fn(),
   fetchPublicUsageSummary: vi.fn(),
 }));
 
 vi.mock("../../api-key-lookup/api", () => ({
+  fetchPublicLogContent: mocks.fetchPublicLogContent,
   fetchPublicLogs: mocks.fetchPublicLogs,
   fetchPublicUsageSummary: mocks.fetchPublicUsageSummary,
 }));
 
+vi.mock("@features/log-content-viewer", () => ({
+  LogContentModal: ({
+    open,
+    logId,
+    initialTab,
+    fetchPartFn,
+  }: {
+    open: boolean;
+    logId: number | null;
+    initialTab?: "input" | "output";
+    fetchPartFn?: (id: number, part: "input" | "output") => Promise<unknown>;
+  }) =>
+    open && logId ? (
+      <button
+        type="button"
+        data-testid="load-log-content"
+        onClick={() => fetchPartFn?.(logId, initialTab ?? "input")}
+      >
+        load content
+      </button>
+    ) : null,
+}));
+
 vi.mock("../../api-key-lookup/components/QuickImportTabContent", () => ({
   QuickImportTabContent: ({ apiKey }: { apiKey: string }) => (
     <div data-testid="quick-import-stub">quick-import:{apiKey}</div>
@@ -37,8 +62,15 @@ describe("ApiKeyUsagePage", () => {
     await i18n.changeLanguage("zh-CN");
     window.history.replaceState({}, "", "/manage/apikey-usage");
     window.localStorage.clear();
+    mocks.fetchPublicLogContent.mockReset();
     mocks.fetchPublicLogs.mockReset();
     mocks.fetchPublicUsageSummary.mockReset();
+    mocks.fetchPublicLogContent.mockResolvedValue({
+      id: 1,
+      model: "gpt-test",
+      part: "input",
+      content: "hello",
+    });
     mocks.fetchPublicLogs.mockResolvedValue({
       items: [
         {
@@ -52,7 +84,7 @@ describe("ApiKeyUsagePage", () => {
           cached_tokens: 0,
           total_tokens: 3,
           cost: 0,
-          has_content: false,
+          has_content: true,
         },
       ],
       total: 1,
@@ -102,7 +134,9 @@ describe("ApiKeyUsagePage", () => {
     expect(screen.getByText("快捷导入")).toBeInTheDocument();
     expect(screen.getByText("张军宝")).toBeInTheDocument();
     expect(screen.queryByText("使用统计")).not.toBeInTheDocument();
-    expect(screen.queryByRole("columnheader", { name: /KEY 名称|Key name/i })).not.toBeInTheDocument();
+    expect(
+      screen.queryByRole("columnheader", { name: /KEY 名称|Key name/i }),
+    ).not.toBeInTheDocument();
     await waitFor(() => {
       expect(mocks.fetchPublicUsageSummary).toHaveBeenCalledWith(
         expect.objectContaining({ apiKey: "sk-demo" }),
@@ -140,4 +174,18 @@ describe("ApiKeyUsagePage", () => {
     expect(await screen.findByText("张军宝")).toBeInTheDocument();
     expect(screen.queryByTestId("apikey-usage-empty")).not.toBeInTheDocument();
   });
+
+  test("loads key-scoped request content from the logs table", async () => {
+    renderPage();
+
+    await userEvent.type(screen.getByPlaceholderText(/输入 API 密钥|Enter API Key/i), "sk-demo");
+    await userEvent.click(screen.getByTestId("apikey-usage-submit"));
+
+    await userEvent.click(await screen.findByTitle(/查看输入|View input/i));
+    await userEvent.click(await screen.findByTestId("load-log-content"));
+
+    expect(mocks.fetchPublicLogContent).toHaveBeenCalledWith(
+      expect.objectContaining({ id: 1, apiKey: "sk-demo", part: "input" }),
+    );
+  });
 });