From 5cd22739b4256b6fe8f9a89ef20e71df362080e5 Mon Sep 17 00:00:00 2001
From: Tyagiquamar <mohdquamartyagi@gmail.com>
Date: Sun, 13 Sep 2026 14:38:50 +0530
Subject: [PATCH] fix(js): support /v1/embeddings endpoint in OpenAI batch
 instrumentation (#2425)

---
 .../openai-batch-instrumentation.test.ts      | 29 +++++++++++++++++++
 .../plugins/openai-batch-instrumentation.ts   |  6 +++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/js/src/instrumentation/plugins/openai-batch-instrumentation.test.ts b/js/src/instrumentation/plugins/openai-batch-instrumentation.test.ts
index 96a2809ef..b09093c95 100644
--- a/js/src/instrumentation/plugins/openai-batch-instrumentation.test.ts
+++ b/js/src/instrumentation/plugins/openai-batch-instrumentation.test.ts
@@ -394,4 +394,33 @@ describe("OpenAI Batch instrumentation", () => {
     expect(received).toBe(content);
     expect(await backgroundLogger.drain()).toEqual([]);
   });
+
+  it("supports /v1/embeddings batch requests", async () => {
+    const embeddingsInput = [
+      {
+        custom_id: "emb1",
+        method: "POST",
+        url: "/v1/embeddings",
+        body: {
+          model: "text-embedding-3-small",
+          input: "hello world",
+        },
+      },
+    ];
+
+    let received = "";
+    const result = await openaiFilesCreateTraced({
+      create(params: { file: Blob; purpose: string }) {
+        return asyncAPIPromise(
+          Promise.resolve({ id: "file_emb" }).then(async (file) => {
+            received = await params.file.text();
+            return file;
+          }),
+        );
+      },
+    })({ file: new Blob([jsonl(embeddingsInput)]), purpose: "batch" });
+
+    expect(result).toEqual({ id: "file_emb" });
+    expect(received).toBe(jsonl(embeddingsInput));
+  });
 });
diff --git a/js/src/instrumentation/plugins/openai-batch-instrumentation.ts b/js/src/instrumentation/plugins/openai-batch-instrumentation.ts
index 560ac51ca..cb2e2aa31 100644
--- a/js/src/instrumentation/plugins/openai-batch-instrumentation.ts
+++ b/js/src/instrumentation/plugins/openai-batch-instrumentation.ts
@@ -26,7 +26,11 @@ import {
   processImagesInOutput,
 } from "./openai-span-data";
 
-const SUPPORTED_ENDPOINTS = new Set(["/v1/chat/completions", "/v1/responses"]);
+const SUPPORTED_ENDPOINTS = new Set([
+  "/v1/chat/completions",
+  "/v1/responses",
+  "/v1/embeddings",
+]);
 const TERMINAL_STATUSES = new Set([
   "completed",
   "failed",