diff --git a/src/config/index.ts b/src/config/index.ts
index 02db496..928982c 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -23,11 +23,27 @@ function getLiNearSDKConfig(): LiNearSDKConfig {
 }
 
 /**
- * custom configauation for LiNear SDK
+ * custom configuration for LiNear SDK
  * @param config custom config
  */
 function setLiNearSDKConfig(config: LiNearSDKConfig) {
   SDK_CUSTOM_CONFIG = config;
 }
 
-export { changeSDKEnvironment, getLiNearSDKConfig, setLiNearSDKConfig };
+/**
+ * change subgraph API URL
+ */
+function changeSubgraphApiUrl(apiUrl: string) {
+  const config = getLiNearSDKConfig();
+  setLiNearSDKConfig({
+    ...config,
+    apiUrl,
+  });
+}
+
+export {
+  changeSDKEnvironment,
+  getLiNearSDKConfig,
+  setLiNearSDKConfig,
+  changeSubgraphApiUrl,
+};
diff --git a/src/config/mainnet.ts b/src/config/mainnet.ts
index c9e705e..125d4b4 100644
--- a/src/config/mainnet.ts
+++ b/src/config/mainnet.ts
@@ -11,7 +11,8 @@ const connectConfig: ConnectConfig = {
   headers: {},
 };
 
-const apiUrl = 'https://api.thegraph.com/subgraphs/name/linear-protocol/linear';
+const apiUrl =
+  'https://api.studio.thegraph.com/query/76854/linear/version/latest';
 
 const contractId = 'linear-protocol.near';
 
diff --git a/src/config/testnet.ts b/src/config/testnet.ts
index d051a64..3acda53 100644
--- a/src/config/testnet.ts
+++ b/src/config/testnet.ts
@@ -12,7 +12,7 @@ const connectConfig: ConnectConfig = {
 };
 
 const apiUrl =
-  'https://api.thegraph.com/subgraphs/name/linear-protocol/linear-testnet';
+  'https://api.studio.thegraph.com/query/76854/linear-testnet/version/latest';
 
 const contractId = 'linear-protocol.testnet';
 
diff --git a/src/index.ts b/src/index.ts
index 2733258..37e53f4 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,5 +1,10 @@
 // env
-export { changeSDKEnvironment, setLiNearSDKConfig } from './config';
+export {
+  changeSDKEnvironment,
+  setLiNearSDKConfig,
+  getLiNearSDKConfig,
+  changeSubgraphApiUrl,
+} from './config';
 
 export { SDK_ENV, LiNearSDKConfig } from './config/type';