diff --git a/src/memory/batch-http.ts b/src/memory/batch-http.ts
new file mode 100644
index 0000000000..24405e20ba
--- /dev/null
+++ b/src/memory/batch-http.ts
@@ -0,0 +1,38 @@
+import { retryAsync } from "../infra/retry.js";
+
+export async function postJsonWithRetry<T>(params: {
+  url: string;
+  headers: Record<string, string>;
+  body: unknown;
+  errorPrefix: string;
+}): Promise<T> {
+  const res = await retryAsync(
+    async () => {
+      const res = await fetch(params.url, {
+        method: "POST",
+        headers: params.headers,
+        body: JSON.stringify(params.body),
+      });
+      if (!res.ok) {
+        const text = await res.text();
+        const err = new Error(`${params.errorPrefix}: ${res.status} ${text}`) as Error & {
+          status?: number;
+        };
+        err.status = res.status;
+        throw err;
+      }
+      return res;
+    },
+    {
+      attempts: 3,
+      minDelayMs: 300,
+      maxDelayMs: 2000,
+      jitter: 0.2,
+      shouldRetry: (err) => {
+        const status = (err as { status?: number }).status;
+        return status === 429 || (typeof status === "number" && status >= 500);
+      },
+    },
+  );
+  return (await res.json()) as T;
+}
diff --git a/src/memory/batch-openai.ts b/src/memory/batch-openai.ts
index 322ecc9fd7..6c35a831b3 100644
--- a/src/memory/batch-openai.ts
+++ b/src/memory/batch-openai.ts
@@ -1,5 +1,5 @@
 import type { OpenAiEmbeddingClient } from "./embeddings-openai.js";
-import { retryAsync } from "../infra/retry.js";
+import { postJsonWithRetry } from "./batch-http.js";
 import { applyEmbeddingBatchOutputLine } from "./batch-output.js";
 import { hashText, runWithConcurrency } from "./internal.js";
 
@@ -96,43 +96,20 @@ async function submitOpenAiBatch(params: {
     throw new Error("openai batch file upload failed: missing file id");
   }
 
-  const batchRes = await retryAsync(
-    async () => {
-      const res = await fetch(`${baseUrl}/batches`, {
-        method: "POST",
-        headers: getOpenAiHeaders(params.openAi, { json: true }),
-        body: JSON.stringify({
-          input_file_id: filePayload.id,
-          endpoint: OPENAI_BATCH_ENDPOINT,
-          completion_window: OPENAI_BATCH_COMPLETION_WINDOW,
-          metadata: {
-            source: "openclaw-memory",
-            agent: params.agentId,
-          },
-        }),
-      });
-      if (!res.ok) {
-        const text = await res.text();
-        const err = new Error(`openai batch create failed: ${res.status} ${text}`) as Error & {
-          status?: number;
-        };
-        err.status = res.status;
-        throw err;
-      }
-      return res;
-    },
-    {
-      attempts: 3,
-      minDelayMs: 300,
-      maxDelayMs: 2000,
-      jitter: 0.2,
-      shouldRetry: (err) => {
-        const status = (err as { status?: number }).status;
-        return status === 429 || (typeof status === "number" && status >= 500);
+  return await postJsonWithRetry<OpenAiBatchStatus>({
+    url: `${baseUrl}/batches`,
+    headers: getOpenAiHeaders(params.openAi, { json: true }),
+    body: {
+      input_file_id: filePayload.id,
+      endpoint: OPENAI_BATCH_ENDPOINT,
+      completion_window: OPENAI_BATCH_COMPLETION_WINDOW,
+      metadata: {
+        source: "openclaw-memory",
+        agent: params.agentId,
       },
     },
-  );
-  return (await batchRes.json()) as OpenAiBatchStatus;
+    errorPrefix: "openai batch create failed",
+  });
 }
 
 async function fetchOpenAiBatchStatus(params: {
diff --git a/src/memory/batch-voyage.ts b/src/memory/batch-voyage.ts
index 855d64bbe6..72fdf09a2f 100644
--- a/src/memory/batch-voyage.ts
+++ b/src/memory/batch-voyage.ts
@@ -1,7 +1,7 @@
 import { createInterface } from "node:readline";
 import { Readable } from "node:stream";
 import type { VoyageEmbeddingClient } from "./embeddings-voyage.js";
-import { retryAsync } from "../infra/retry.js";
+import { postJsonWithRetry } from "./batch-http.js";
 import { applyEmbeddingBatchOutputLine } from "./batch-output.js";
 import { hashText, runWithConcurrency } from "./internal.js";
 
@@ -101,47 +101,24 @@ async function submitVoyageBatch(params: {
   }
 
   // 2. Create batch job using Voyage Batches API
-  const batchRes = await retryAsync(
-    async () => {
-      const res = await fetch(`${baseUrl}/batches`, {
-        method: "POST",
-        headers: getVoyageHeaders(params.client, { json: true }),
-        body: JSON.stringify({
-          input_file_id: filePayload.id,
-          endpoint: VOYAGE_BATCH_ENDPOINT,
-          completion_window: VOYAGE_BATCH_COMPLETION_WINDOW,
-          request_params: {
-            model: params.client.model,
-            input_type: "document",
-          },
-          metadata: {
-            source: "clawdbot-memory",
-            agent: params.agentId,
-          },
-        }),
-      });
-      if (!res.ok) {
-        const text = await res.text();
-        const err = new Error(`voyage batch create failed: ${res.status} ${text}`) as Error & {
-          status?: number;
-        };
-        err.status = res.status;
-        throw err;
-      }
-      return res;
-    },
-    {
-      attempts: 3,
-      minDelayMs: 300,
-      maxDelayMs: 2000,
-      jitter: 0.2,
-      shouldRetry: (err) => {
-        const status = (err as { status?: number }).status;
-        return status === 429 || (typeof status === "number" && status >= 500);
+  return await postJsonWithRetry<VoyageBatchStatus>({
+    url: `${baseUrl}/batches`,
+    headers: getVoyageHeaders(params.client, { json: true }),
+    body: {
+      input_file_id: filePayload.id,
+      endpoint: VOYAGE_BATCH_ENDPOINT,
+      completion_window: VOYAGE_BATCH_COMPLETION_WINDOW,
+      request_params: {
+        model: params.client.model,
+        input_type: "document",
+      },
+      metadata: {
+        source: "clawdbot-memory",
+        agent: params.agentId,
       },
     },
-  );
-  return (await batchRes.json()) as VoyageBatchStatus;
+    errorPrefix: "voyage batch create failed",
+  });
 }
 
 async function fetchVoyageBatchStatus(params: {