diff --git a/test/usdc/perpetual/ws.private.test.ts b/test/usdc/perpetual/ws.private.test.ts
new file mode 100644
index 0000000..84d0f4b
--- /dev/null
+++ b/test/usdc/perpetual/ws.private.test.ts
@@ -0,0 +1,150 @@
+import {
+  WebsocketClient,
+  WSClientConfigurableOptions,
+  WS_ERROR_ENUM,
+  WS_KEY_MAP,
+} from '../../../src';
+import {
+  fullLogger,
+  getSilentLogger,
+  logAllEvents,
+  waitForSocketEvent,
+  WS_OPEN_EVENT_PARTIAL,
+} from '../../ws.util';
+
+describe('Private USDC Perp Websocket Client', () => {
+  const API_KEY = process.env.API_KEY_COM;
+  const API_SECRET = process.env.API_SECRET_COM;
+
+  const wsClientOptions: WSClientConfigurableOptions = {
+    market: 'usdcPerp',
+    key: API_KEY,
+    secret: API_SECRET,
+  };
+
+  const wsTopic = `user.openapi.perp.position`;
+
+  describe('with invalid credentials', () => {
+    it('should reject private subscribe if keys/signature are incorrect', async () => {
+      const badClient = new WebsocketClient(
+        {
+          ...wsClientOptions,
+          key: 'bad',
+          secret: 'bad',
+          reconnectTimeout: 10000,
+        },
+        // fullLogger
+        getSilentLogger('expect401')
+      );
+      // logAllEvents(badClient);
+
+      // const wsOpenPromise = waitForSocketEvent(badClient, 'open');
+      const wsResponsePromise = waitForSocketEvent(badClient, 'response');
+      // const wsUpdatePromise = waitForSocketEvent(wsClient, 'update');
+
+      badClient.connectPrivate();
+
+      const responsePartial = {
+        ret_msg: WS_ERROR_ENUM.USDC_OPTION_AUTH_FAILED,
+        success: false,
+        type: 'AUTH_RESP',
+      };
+      expect(wsResponsePromise).rejects.toMatchObject(responsePartial);
+
+      try {
+        await Promise.all([wsResponsePromise]);
+      } catch (e) {
+        // console.error()
+        expect(e).toMatchObject(responsePartial);
+      }
+
+      // badClient.subscribe(wsTopic);
+      badClient.removeAllListeners();
+      badClient.closeAll();
+    });
+  });
+
+  describe('with valid API credentails', () => {
+    let wsClient: WebsocketClient;
+
+    it('should have api credentials to test with', () => {
+      expect(API_KEY).toStrictEqual(expect.any(String));
+      expect(API_SECRET).toStrictEqual(expect.any(String));
+    });
+
+    beforeAll(() => {
+      wsClient = new WebsocketClient(
+        wsClientOptions,
+        getSilentLogger('expectSuccess')
+      );
+      wsClient.connectPrivate();
+      // logAllEvents(wsClient);
+    });
+
+    afterAll(() => {
+      wsClient.closeAll();
+    });
+
+    it('should open a private ws connection', async () => {
+      const wsOpenPromise = waitForSocketEvent(wsClient, 'open');
+      const wsResponsePromise = waitForSocketEvent(wsClient, 'response');
+
+      expect(wsOpenPromise).resolves.toMatchObject({
+        event: WS_OPEN_EVENT_PARTIAL,
+        wsKey: WS_KEY_MAP.usdcPerpPrivate,
+      });
+
+      try {
+        await Promise.all([wsOpenPromise]);
+      } catch (e) {
+        expect(e).toBeFalsy();
+      }
+
+      try {
+        expect(await wsResponsePromise).toMatchObject({
+          ret_msg: '0',
+          success: true,
+          type: 'AUTH_RESP',
+        });
+      } catch (e) {
+        console.error(`Wait for "${wsTopic}" event exception: `, e);
+        expect(e).toBeFalsy();
+      }
+    });
+
+    it(`should subscribe to private "${wsTopic}" events`, async () => {
+      const wsResponsePromise = waitForSocketEvent(wsClient, 'response');
+      const wsUpdatePromise = waitForSocketEvent(wsClient, 'update');
+
+      // expect(wsUpdatePromise).resolves.toStrictEqual('');
+      wsClient.subscribe(wsTopic);
+
+      try {
+        expect(await wsResponsePromise).toMatchObject({
+          data: {
+            failTopics: [],
+            successTopics: [wsTopic],
+          },
+          success: true,
+          type: 'COMMAND_RESP',
+        });
+      } catch (e) {
+        console.error(
+          `Wait for "${wsTopic}" subscription response exception: `,
+          e
+        );
+        expect(e).toBeFalsy();
+      }
+      expect(await wsUpdatePromise).toMatchObject({
+        creationTime: expect.any(Number),
+        data: {
+          baseLine: expect.any(Number),
+          dataType: expect.any(String),
+          result: expect.any(Array),
+          version: expect.any(Number),
+        },
+        topic: wsTopic,
+      });
+    });
+  });
+});