diff --git a/web/app/common/api.js b/web/app/common/api.js
index 97b1b9a8..9871abcc 100644
--- a/web/app/common/api.js
+++ b/web/app/common/api.js
@@ -2,11 +2,13 @@ import { siteId, url } from './settings';
 
 import fetcher from './fetcher'
 
+/* common */
+
 export const find = ({ url }) => fetcher.get(`/find?url=${url}&sort=-score&format=tree`);
 
 export const getComment = ({ id }) => fetcher.get(`/id/${id}?url=${url}`);
 
-export const getUser = () => fetcher.get('/user');
+export const vote = ({ id, url, value }) => fetcher.put(`/vote/${id}?url=${url}&vote=${value}`);
 
 export const send = ({ text, pid }) => fetcher.post('/comment', {
   text,
@@ -17,12 +19,19 @@ export const send = ({ text, pid }) => fetcher.post('/comment', {
   ...(pid ? { pid } : {}),
 });
 
-export const vote = ({ id, url, value }) => fetcher.put(`/vote/${id}?url=${url}&vote=${value}`);
+export const getUser = () => fetcher.get('/user');
+
+/* admin */
+export const pin = ({ id, url }) => fetcher.put(`/admin/pin/${id}?url=${url}&pin=1`);
+
+export const unpin = ({ id, url }) => fetcher.get(`/admin/pin/${id}?url=${url}&pin=0`);
 
 export default {
   find,
   getComment,
-  send,
+  pin,
+  unpin,
   vote,
+  send,
   getUser,
 };