diff --git a/lib/error-reporting/__tests__/client-lite.test.ts b/lib/error-reporting/__tests__/client-lite.test.ts
new file mode 100644
index 000000000..3c6064839
--- /dev/null
+++ b/lib/error-reporting/__tests__/client-lite.test.ts
@@ -0,0 +1,37 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+
+vi.mock('@/lib/lite', async (importOriginal) => ({
+  ...(await importOriginal<typeof import('@/lib/lite')>()),
+  IS_LITE: true,
+}));
+
+import { captureException, configureErrorReporting, resetErrorReportingForTests } from '../client';
+
+const DSN = 'https://6f0b9c79ed3a4315b76595bc2536ac40@bugsink.example.org/3';
+let fetchSpy: ReturnType<typeof vi.fn>;
+
+beforeEach(() => {
+  resetErrorReportingForTests();
+  sessionStorage.clear();
+  fetchSpy = vi.fn().mockResolvedValue(new Response(null, { status: 200 }));
+  vi.stubGlobal('fetch', fetchSpy);
+});
+
+afterEach(() => {
+  vi.unstubAllGlobals();
+});
+
+// Bulwark Lite has no server, so it never posts to /api/errors, whatever
+// the settings say; reports go to the DSN only.
+describe('error reporting in Lite', () => {
+  it('sends to the DSN and never to /api/errors', () => {
+    configureErrorReporting({ dsn: DSN, sampleRate: 1, environment: 'lite', collect: true });
+    const error = new TypeError('boom');
+    error.stack = 'TypeError: boom\n    at a (https://lite.example.org/_next/static/chunks/1.js:2:30)';
+    captureException(error);
+    const urls = fetchSpy.mock.calls.map(([url]) => String(url));
+    expect(urls).toHaveLength(1);
+    expect(urls[0]).toContain('/api/3/envelope/');
+    expect(urls.some((url) => url.includes('/api/errors'))).toBe(false);
+  });
+});
diff --git a/lib/error-reporting/client.ts b/lib/error-reporting/client.ts
index 57f27ca8c..712a21f14 100644
--- a/lib/error-reporting/client.ts
+++ b/lib/error-reporting/client.ts
@@ -1,4 +1,5 @@
 import { apiFetch, getPathPrefix } from '@/lib/browser-navigation';
+import { IS_LITE } from '@/lib/lite';
 import { scrubRoutePath } from '@/lib/route-groups';
 import { debugIdsByPath } from './debug-ids';
 import {
@@ -200,7 +201,9 @@ function deliver(report: ErrorReport): void {
       mode: 'cors',
     });
   }
-  if (settings.collect) {
+  // Lite has no server: the bundler drops this branch, and the endpoint
+  // with it (scripts/lite/verify.mjs fails on undocumented /api strings).
+  if (!IS_LITE && settings.collect) {
     send('/api/errors', JSON.stringify({
       name: report.name,
       message: report.message,