diff --git a/packages/cfworkers/src/mod.test.ts b/packages/cfworkers/src/mod.test.ts
index 0ed720606..50c63a2fa 100644
--- a/packages/cfworkers/src/mod.test.ts
+++ b/packages/cfworkers/src/mod.test.ts
@@ -4,6 +4,15 @@ import {
   WorkersKvStore,
   WorkersMessageQueue,
 } from "./mod.ts";
+import type {
+  MessageSendRequest,
+  Queue,
+  QueueMetrics,
+  QueueSendBatchOptions,
+  QueueSendBatchResponse,
+  QueueSendOptions,
+  QueueSendResponse,
+} from "@cloudflare/workers-types";
 
 // Mock Temporal.Duration for testing in Cloudflare Workers environment
 const mockDuration = (seconds: number) => ({
@@ -352,3 +361,98 @@ describe("WorkersMessageQueue", () => {
     expect(second.message).toEqual({ id: "second" });
   });
 });
+
+interface MockWrappedMessage {
+  readonly __fedify_ordering_key__?: string;
+  readonly __fedify_payload__: unknown;
+}
+
+class MockQueue implements Queue<MockWrappedMessage> {
+  metrics(): Promise<QueueMetrics> {
+    return Promise.resolve({ backlogCount: 0, backlogBytes: 0 });
+  }
+  sentSingles: {
+    wrapped: MockWrappedMessage;
+    options?: QueueSendOptions;
+  }[] = [];
+  sentBatches: {
+    batch: MessageSendRequest<MockWrappedMessage>[];
+    options?: QueueSendBatchOptions;
+  }[] = [];
+
+  send(
+    wrapped: MockWrappedMessage,
+    options?: QueueSendOptions,
+  ): Promise<QueueSendResponse> {
+    this.sentSingles.push({ wrapped, options });
+    return Promise.resolve({
+      metadata: { metrics: { backlogCount: 0, backlogBytes: 0 } },
+    });
+  }
+
+  sendBatch(
+    batch: Iterable<MessageSendRequest<MockWrappedMessage>>,
+    options?: QueueSendBatchOptions,
+  ): Promise<QueueSendBatchResponse> {
+    this.sentBatches.push({ batch: [...batch], options });
+    return Promise.resolve({
+      metadata: { metrics: { backlogCount: 0, backlogBytes: 0 } },
+    });
+  }
+}
+
+describe("WorkersMessageQueue.enqueueMany() - wrapped message shape", () => {
+  it("enqueueMany() - wraps each message with body{} and contentType", async () => {
+    const sendingMockQueue = new MockQueue();
+    const queue = new WorkersMessageQueue(sendingMockQueue);
+
+    await queue.enqueueMany(["msg-1", "msg-2"], { orderingKey: "ferer" });
+
+    expect(sendingMockQueue.sentBatches).toHaveLength(1);
+    expect(sendingMockQueue.sentBatches[0].batch).toEqual([
+      {
+        body: {
+          __fedify_ordering_key__: "ferer",
+          __fedify_payload__: "msg-1",
+        },
+        contentType: "json",
+      },
+      {
+        body: {
+          __fedify_ordering_key__: "ferer",
+          __fedify_payload__: "msg-2",
+        },
+        contentType: "json",
+      },
+    ]);
+  });
+
+  it("enqueue() and enqueueMany() - produce the same wrapped shape", async () => {
+    const sendingMockQueue = new MockQueue();
+    const queue = new WorkersMessageQueue(sendingMockQueue);
+
+    await queue.enqueue("msg-1", { orderingKey: "ferer" });
+    await queue.enqueueMany(["msg-1"], { orderingKey: "ferer" });
+
+    // enqueueMany() wraps each body in a request ({ body, contentType }), so
+    // unwrap it before comparing against enqueue()'s bare wrapped message.
+    const singleWrapped = sendingMockQueue.sentSingles[0].wrapped;
+    const batchWrapped = sendingMockQueue.sentBatches[0].batch[0].body;
+
+    expect(batchWrapped).toEqual(singleWrapped);
+  });
+
+  it("enqueueMany() - omits ordering key when not provided", async () => {
+    const sendingMockQueue = new MockQueue();
+    const queue = new WorkersMessageQueue(sendingMockQueue);
+
+    await queue.enqueueMany(["msg-1"]);
+
+    expect(sendingMockQueue.sentBatches[0].batch[0].body).toEqual(
+      {
+        __fedify_ordering_key__: undefined,
+        __fedify_payload__: "msg-1",
+      },
+    );
+  });
+});