diff --git a/docs/changelog.mdx b/docs/changelog.mdx
index 6f21e8cb..cc6ab63a 100644
--- a/docs/changelog.mdx
+++ b/docs/changelog.mdx
@@ -288,6 +288,11 @@ mode: "wide"
 
 <Tab title="TypeScript">
 
+<Update label="2025-05-27" description="v2.1.27">
+**Improvements:**
+- **OSS:** Added baseURL param in LLM Config.
+</Update>
+  
 <Update label="2025-05-23" description="v2.1.26">
 **Improvements:**
 - **Client:** Removed type `string` from `messages` interface
diff --git a/mem0-ts/package.json b/mem0-ts/package.json
index 6c629a9d..7c53677c 100644
--- a/mem0-ts/package.json
+++ b/mem0-ts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mem0ai",
-  "version": "2.1.26",
+  "version": "2.1.27",
   "description": "The Memory Layer For Your AI Apps",
   "main": "./dist/index.js",
   "module": "./dist/index.mjs",
diff --git a/mem0-ts/src/oss/src/config/defaults.ts b/mem0-ts/src/oss/src/config/defaults.ts
index b2c9d19f..ae2a514b 100644
--- a/mem0-ts/src/oss/src/config/defaults.ts
+++ b/mem0-ts/src/oss/src/config/defaults.ts
@@ -20,6 +20,7 @@ export const DEFAULT_MEMORY_CONFIG: MemoryConfig = {
   llm: {
     provider: "openai",
     config: {
+      baseURL: "https://api.openai.com/v1",
       apiKey: process.env.OPENAI_API_KEY || "",
       model: "gpt-4-turbo-preview",
       modelProperties: undefined,
diff --git a/mem0-ts/src/oss/src/config/manager.ts b/mem0-ts/src/oss/src/config/manager.ts
index 9371b705..01996e0f 100644
--- a/mem0-ts/src/oss/src/config/manager.ts
+++ b/mem0-ts/src/oss/src/config/manager.ts
@@ -78,8 +78,9 @@ export class ConfigManager {
           } else if (userConf?.model && typeof userConf.model === "string") {
             finalModel = userConf.model;
           }
-
+          
           return {
+            baseURL: userConf?.baseURL || defaultConf.baseURL,
             apiKey:
               userConf?.apiKey !== undefined
                 ? userConf.apiKey
diff --git a/mem0-ts/src/oss/src/llms/openai.ts b/mem0-ts/src/oss/src/llms/openai.ts
index d1e148f5..2d448fb3 100644
--- a/mem0-ts/src/oss/src/llms/openai.ts
+++ b/mem0-ts/src/oss/src/llms/openai.ts
@@ -7,7 +7,7 @@ export class OpenAILLM implements LLM {
   private model: string;
 
   constructor(config: LLMConfig) {
-    this.openai = new OpenAI({ apiKey: config.apiKey });
+    this.openai = new OpenAI({ apiKey: config.apiKey, baseURL: config.baseURL });
     this.model = config.model || "gpt-4o-mini";
   }
 
diff --git a/mem0-ts/src/oss/src/types/index.ts b/mem0-ts/src/oss/src/types/index.ts
index aa2d5d73..b2bdc0a8 100644
--- a/mem0-ts/src/oss/src/types/index.ts
+++ b/mem0-ts/src/oss/src/types/index.ts
@@ -39,6 +39,7 @@ export interface HistoryStoreConfig {
 
 export interface LLMConfig {
   provider?: string;
+  baseURL?: string;
   config?: Record<string, any>;
   apiKey?: string;
   model?: string | any;