diff --git a/src/client.js b/src/client.js
index dc6601d..cb284d7 100644
--- a/src/client.js
+++ b/src/client.js
@@ -151,6 +151,16 @@ export default class Client {
     ).then(source => new Method(source));
   }
 
+  /**
+   * @param {String} restapiId
+   * @return {Promise}
+   */
+  getRestapi({ restapiId }) {
+    return this.getFetcher().get(
+      `${this._getBaseUrl()}/restapis/${restapiId}`
+    ).then(source => new Restapi(source));
+  }
+
   /**
    * @param {String} restapiId
    * @return {Promise}
diff --git a/test/client-test.js b/test/client-test.js
index 58018a6..b22bd91 100644
--- a/test/client-test.js
+++ b/test/client-test.js
@@ -122,6 +122,24 @@ describe('Client', () => {
     });
   });
 
+  describe('#getRestapi', () => {
+    it('does not raise any error', (done) => {
+      client.use(
+        Mock,
+        {
+          body: JSON.stringify({}),
+          headers: {
+            'Content-Type': 'application/json'
+          }
+        }
+      ).getRestapi({
+        restapiId: 'restapiId'
+      }).then(() => {
+        done();
+      });
+    });
+  });
+
   describe('#getRootResource', () => {
     it('does not raise any error', (done) => {
       client.use(