diff --git a/toot/api.py b/toot/api.py
index baa4c28..89c801b 100644
--- a/toot/api.py
+++ b/toot/api.py
@@ -361,6 +361,12 @@ def whois(app, user, account):
     return http.get(app, user, f'/api/v1/accounts/{account}').json()
 
 
+def vote(app, user, poll_id, choices: list):
+    url = f"/api/v1/polls/{poll_id}/votes"
+    json = {'choices': choices}
+    return http.post(app, user, url, json=json).json()
+
+
 def mute(app, user, account):
     return _account_action(app, user, account, 'mute')