diff --git a/packages/template/src/lib/hexclave-app/apps/implementations/event-tracker.test.ts b/packages/template/src/lib/hexclave-app/apps/implementations/event-tracker.test.ts
index a3af0cab3..13e5fd22c 100644
--- a/packages/template/src/lib/hexclave-app/apps/implementations/event-tracker.test.ts
+++ b/packages/template/src/lib/hexclave-app/apps/implementations/event-tracker.test.ts
@@ -385,4 +385,45 @@ describe("EventTracker", () => {
       tracker.stop();
     }
   });
+
+  it("silently disables when server responds with ANALYTICS_NOT_ENABLED", async () => {
+    vi.useFakeTimers();
+    document.body.innerHTML = "<button>Click me</button>";
+
+    const warnSpy = vi.spyOn(console, "warn").mockImplementation(() => {});
+    const sentBodies: string[] = [];
+    const tracker = new EventTracker({
+      projectId: "internal",
+      sendBatch: async (body) => {
+        sentBodies.push(body);
+        return Result.ok(new Response(
+          JSON.stringify({ code: "ANALYTICS_NOT_ENABLED", error: "Analytics is not enabled for this project." }),
+          {
+            status: 400,
+            headers: { "x-stack-known-error": "ANALYTICS_NOT_ENABLED" },
+          },
+        ));
+      },
+    });
+
+    try {
+      tracker.start();
+
+      // First flush sends the initial page-view event; server rejects it.
+      await advancePastFlush();
+      expect(sentBodies).toHaveLength(1);
+
+      // No console.warn should have been emitted.
+      expect(warnSpy).not.toHaveBeenCalled();
+
+      // After disabling, new events should not accumulate or trigger further
+      // flushes.
+      document.querySelector("button")?.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+      await advancePastFlush();
+      expect(sentBodies).toHaveLength(1);
+    } finally {
+      tracker.stop();
+      warnSpy.mockRestore();
+    }
+  });
 });
diff --git a/packages/template/src/lib/hexclave-app/apps/implementations/event-tracker.ts b/packages/template/src/lib/hexclave-app/apps/implementations/event-tracker.ts
index f8b085174..3dc2667a0 100644
--- a/packages/template/src/lib/hexclave-app/apps/implementations/event-tracker.ts
+++ b/packages/template/src/lib/hexclave-app/apps/implementations/event-tracker.ts
@@ -108,6 +108,7 @@ type TrackedEvent = {
 export class EventTracker {
   private _started = false;
   private _cancelled = false;
+  private _disabled = false;
   private _detachListeners: (() => void) | null = null;
   private _flushTimer: ReturnType<typeof setInterval> | null = null;
   private _events: TrackedEvent[] = [];
@@ -173,6 +174,7 @@ export class EventTracker {
   }
 
   private _pushEvent(event: TrackedEvent) {
+    if (this._disabled) return;
     this._events.push(event);
     this._approxBytes += JSON.stringify(event).length;
     if (this._events.length >= MAX_EVENTS_PER_BATCH || this._approxBytes >= MAX_APPROX_BYTES_PER_BATCH) {
@@ -464,6 +466,8 @@ export class EventTracker {
   }
 
   private async _flush(options: { keepalive: boolean }) {
+    if (this._disabled) return;
+
     // A keepalive flush means the page is unloading — a click still awaiting
     // dead-click classification led to that unload, so it is alive by
     // definition and ships unmarked.
@@ -500,6 +504,18 @@ export class EventTracker {
     }
 
     if (!res.data.ok) {
+      // If the server tells us analytics is not enabled for this project,
+      // silently disable the tracker — no point retrying or warning the user.
+      const knownError = res.data.headers.get("x-hexclave-known-error") ?? res.data.headers.get("x-stack-known-error");
+      if (knownError === "ANALYTICS_NOT_ENABLED") {
+        this._disabled = true;
+        if (this._flushTimer !== null) {
+          clearInterval(this._flushTimer);
+          this._flushTimer = null;
+        }
+        this._teardown();
+        return;
+      }
       console.warn("EventTracker flush failed:", res.data.status, await res.data.text());
     }
   }
diff --git a/packages/template/src/lib/hexclave-app/apps/implementations/session-replay.test.ts b/packages/template/src/lib/hexclave-app/apps/implementations/session-replay.test.ts
index eb46f4da1..bec79cddf 100644
--- a/packages/template/src/lib/hexclave-app/apps/implementations/session-replay.test.ts
+++ b/packages/template/src/lib/hexclave-app/apps/implementations/session-replay.test.ts
@@ -1,5 +1,8 @@
-import { describe, expect, it } from "vitest";
-import { analyticsOptionsFromJson, analyticsOptionsToJson, getSessionReplayOptions } from "./session-replay";
+// @vitest-environment jsdom
+
+import { describe, expect, it, vi } from "vitest";
+import { Result } from "@hexclave/shared/dist/utils/results";
+import { analyticsOptionsFromJson, analyticsOptionsToJson, getSessionReplayOptions, SessionRecorder } from "./session-replay";
 
 describe("session replay options", () => {
   it("enables replays by default", () => {
@@ -39,3 +42,71 @@ describe("analytics option JSON conversion", () => {
     expect(roundTripped?.replays?.blockClass).toEqual(/stack-sensitive/u);
   });
 });
+
+describe("SessionRecorder flush", () => {
+  it("silently disables when server responds with ANALYTICS_NOT_ENABLED", async () => {
+    vi.useFakeTimers();
+
+    // Seed localStorage with a valid session so _flush doesn't fail on getOrRotateSession
+    const storageKey = `hexclave:session-replay:v1:test-project`;
+    localStorage.setItem(storageKey, JSON.stringify({
+      session_id: "test-session",
+      created_at_ms: Date.now(),
+      last_activity_ms: Date.now(),
+    }));
+
+    const sentBodies: string[] = [];
+    const recorder = new SessionRecorder(
+      {
+        projectId: "test-project",
+        sendBatch: async (body) => {
+          sentBodies.push(body);
+          return Result.ok(new Response(
+            JSON.stringify({ code: "ANALYTICS_NOT_ENABLED", error: "Analytics is not enabled for this project." }),
+            {
+              status: 400,
+              headers: { "x-stack-known-error": "ANALYTICS_NOT_ENABLED" },
+            },
+          ));
+        },
+      },
+      {},
+    );
+
+    const warnSpy = vi.spyOn(console, "warn").mockImplementation(() => {});
+
+    try {
+      // Inject an event directly into the recorder's buffer to test flush behavior
+      // without needing rrweb. We access private fields for testing purposes.
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
+      (recorder as any)._events = [{ type: 2, timestamp: Date.now(), data: {} }];
+
+      // Manually trigger a tick (which calls _flush)
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+      (recorder as any)._tick();
+      await vi.advanceTimersByTimeAsync(0);
+
+      // One batch should have been sent
+      expect(sentBodies).toHaveLength(1);
+
+      // No console.warn about "SessionRecorder flush failed" should have been emitted
+      const flushWarnings = warnSpy.mock.calls.filter(
+        (args) => typeof args[0] === "string" && args[0].includes("SessionRecorder")
+      );
+      expect(flushWarnings).toHaveLength(0);
+
+      // After disabling, pushing new events and triggering another tick should not send
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
+      (recorder as any)._events = [{ type: 3, timestamp: Date.now(), data: {} }];
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+      (recorder as any)._tick();
+      await vi.advanceTimersByTimeAsync(0);
+      expect(sentBodies).toHaveLength(1);
+    } finally {
+      recorder.stop();
+      warnSpy.mockRestore();
+      localStorage.removeItem(storageKey);
+      vi.useRealTimers();
+    }
+  });
+});
diff --git a/packages/template/src/lib/hexclave-app/apps/implementations/session-replay.ts b/packages/template/src/lib/hexclave-app/apps/implementations/session-replay.ts
index 1b138e4da..13be57ec8 100644
--- a/packages/template/src/lib/hexclave-app/apps/implementations/session-replay.ts
+++ b/packages/template/src/lib/hexclave-app/apps/implementations/session-replay.ts
@@ -164,6 +164,7 @@ export type SessionRecorderDeps = {
 export class SessionRecorder {
   private _started = false;
   private _cancelled = false;
+  private _disabled = false;
   private _stopRecording: (() => void) | null = null;
   private _detachListeners: (() => void) | null = null;
   private _flushTimer: ReturnType<typeof setInterval> | null = null;
@@ -231,6 +232,7 @@ export class SessionRecorder {
   }
 
   private async _flush(options: { keepalive: boolean }) {
+    if (this._disabled) return;
     if (this._events.length === 0) return;
     // Prevent concurrent in-flight HTTP requests. When a flush is already
     // in-flight, a second batch could race on the server (both call
@@ -268,6 +270,18 @@ export class SessionRecorder {
       }
 
       if (!res.data.ok) {
+        // If the server tells us analytics is not enabled for this project,
+        // silently disable the recorder — no point retrying or warning the user.
+        const knownError = res.data.headers.get("x-hexclave-known-error") ?? res.data.headers.get("x-stack-known-error");
+        if (knownError === "ANALYTICS_NOT_ENABLED") {
+          this._disabled = true;
+          if (this._flushTimer !== null) {
+            clearInterval(this._flushTimer);
+            this._flushTimer = null;
+          }
+          this._stopCurrentRecording();
+          return;
+        }
         captureWarning("SessionRecorder.flush", new Error(`SessionRecorder flush failed: ${res.data.status} ${await res.data.text()}`));
       }
     } finally {