diff --git a/src/index.test.js b/src/index.test.js
new file mode 100644
index 0000000..d3d6384
--- /dev/null
+++ b/src/index.test.js
@@ -0,0 +1,16 @@
+const MCaptcha = require("./index");
+require("dotenv").config({ path: ".env.local" });
+const assert = require("assert").strict;
+
+describe("test mCaptcha client", async function () {
+  it("should be able verify authorization token", async function () {
+    let mcaptcha = new MCaptcha(
+      process.env.SITEKEY,
+      process.env.SECRET,
+      process.env.INSTANCE_URL
+    );
+    let res = await mcaptcha.verify(process.env.TOKEN);
+    console.log(`verification status: ${res}`);
+    assert.strictEqual(res, true);
+  });
+});