diff --git a/KNOWLEDGE_BASE.md b/KNOWLEDGE_BASE.md
index d68c799fa..163ffe25d 100644
--- a/KNOWLEDGE_BASE.md
+++ b/KNOWLEDGE_BASE.md
@@ -439,7 +439,7 @@ A signed request sees what the web shows you, such as your own pending commits.
 - commit, reply, and quote, with images, and delete your commits;
 - follow or unfollow, mute or unmute, and block or unblock, and list who you muted and blocked;
 - star or unstar, and save or unsave;
-- vote on polls;
+- create polls on commits that are neither replies nor quotes, and vote on polls;
 - change Remotes settings, read conversations and mark them pulled, react to messages, find people, and start orgs;
 - stash or reopen conversations and orgs, merge or drop message requests, and send typing indicators;
 - switch Pastéis mode and give pastéis;
@@ -447,7 +447,7 @@ A signed request sees what the web shows you, such as your own pending commits.
 - sync from GitHub and save your lane color;
 - delete your account.
 
-Signed request bodies are JSON, or multipart when they carry images, so app commits can have images but no polls or link-card choice. Sending messages in Remotes remains web-only, as do pinning, scheduling, search, and translations. Signed requests are limited to **120 requests per minute per user**. Settings → Devices lists your approved devices with when each was last used, and revokes them.
+Signed request bodies are JSON, or multipart when they carry images, so app commits can have images or a poll but no link-card choice. Sending messages in Remotes remains web-only, as do pinning, scheduling, search, and translations. Signed requests are limited to **120 requests per minute per user**. Settings → Devices lists your approved devices with when each was last used, and revokes them.
 
 Sources: [signed requests](app/Services/SignedRequests.php), [sign-in page](app/Http/Controllers/MobileAuthorizationController.php), [devices settings](resources/js/pages/device/index.tsx), [API routes](routes/api.php).
 
diff --git a/app/Http/Controllers/Api/CommitController.php b/app/Http/Controllers/Api/CommitController.php
index 97ea97aa4..d66f9deb1 100644
--- a/app/Http/Controllers/Api/CommitController.php
+++ b/app/Http/Controllers/Api/CommitController.php
@@ -40,12 +40,12 @@ public function show(ShowApiCommitRequest $request, #[CurrentUser] ?User $curren
     }
 
     /**
-     * Answers with the new commit as its page shows it, with the commit it quotes, pending review unless the user is an
-     * admin.
+     * Answers with the new commit as its page shows it, with the commit it quotes and its poll, pending review unless
+     * the user is an admin.
      */
     public function store(CreateApiCommitRequest $request, #[CurrentUser] User $user, CreateCommit $action, CommitPageQuery $page): JsonResponse
     {
-        $commit = $action->handle($user, $request->string('body')->value(), $request->parent(), $request->quotedCommit(), $request->images(), $request->imageDescriptions());
+        $commit = $action->handle($user, $request->string('body')->value(), $request->parent(), $request->quotedCommit(), $request->images(), $request->imageDescriptions(), poll: $request->poll());
 
         return CommitResource::make($page->get($commit, $user))
             ->response()
diff --git a/app/Http/Requests/CreateApiCommitRequest.php b/app/Http/Requests/CreateApiCommitRequest.php
index c0a9fbf74..c60dc0deb 100644
--- a/app/Http/Requests/CreateApiCommitRequest.php
+++ b/app/Http/Requests/CreateApiCommitRequest.php
@@ -4,6 +4,8 @@
 
 namespace App\Http\Requests;
 
+use App\Dto\NewPoll;
+use App\Enums\PollDuration;
 use App\Models\Commit;
 use App\Models\User;
 use App\Rules\VisibleCommit;
@@ -16,7 +18,7 @@
 
 /**
  * A commit from the mobile app, sent as JSON, or with images as multipart (see SignedRequests). It may reply to a commit
- * or quote one, as on the web, but not both. The images are checked as the web checks them. It has no poll yet.
+ * or quote one, as on the web, but not both. The images are checked as the web checks them.
  */
 final class CreateApiCommitRequest extends FormRequest
 {
@@ -46,6 +48,10 @@ public function rules(): array
             'body' => CreateCommitRequest::bodyRules($this->hasFile('images')),
             'parent_id' => ['bail', 'nullable', 'uuid', new VisibleCommit($user)],
             'quoted_commit_id' => ['bail', 'nullable', 'uuid', 'prohibits:parent_id', new VisibleCommit($user, __('That commit is no longer available to quote.'))],
+            'poll' => [...$attachmentRules['poll'], 'prohibits:quoted_commit_id'],
+            'poll.options' => $attachmentRules['poll.options'],
+            'poll.options.*' => $attachmentRules['poll.options.*'],
+            'poll.duration' => $attachmentRules['poll.duration'],
             'images' => $attachmentRules['images'],
             'images.*' => $attachmentRules['images.*'],
             'image_descriptions' => $attachmentRules['image_descriptions'],
@@ -86,6 +92,18 @@ public function quotedCommit(): ?Commit
             : null;
     }
 
+    public function poll(): ?NewPoll
+    {
+        if (! $this->filled('poll')) {
+            return null;
+        }
+
+        /** @var list<string> $options */
+        $options = $this->array('poll.options');
+
+        return new NewPoll($options, PollDuration::from($this->integer('poll.duration')));
+    }
+
     /**
      * @return list<UploadedFile>
      */
diff --git a/tests/Feature/Controllers/Api/CommitControllerTest.php b/tests/Feature/Controllers/Api/CommitControllerTest.php
index ffeeae9a6..48cf1f4be 100644
--- a/tests/Feature/Controllers/Api/CommitControllerTest.php
+++ b/tests/Feature/Controllers/Api/CommitControllerTest.php
@@ -3,6 +3,7 @@
 declare(strict_types=1);
 
 use App\Enums\CommitStatus;
+use App\Enums\PollDuration;
 use App\Http\Requests\CreateApiCommitRequest;
 use App\Jobs\ModerateCommit;
 use App\Models\Commit;
@@ -658,6 +659,82 @@
     expect($quoted->quotes()->count())->toBe(0);
 })->with(['blocking' => true, 'blocked' => false]);
 
+it('commits a poll from a signed request, which waits for the commit to be approved', function (): void {
+    $user = User::factory()->create();
+    $keyPair = apiKeyPairFor($user);
+
+    $response = signedApiRequest($keyPair, 'POST', route('api-commit.store'), [
+        'body' => 'Tabs or spaces?',
+        'poll' => ['options' => ['Tabs', ' Spaces ', 'Both :tada:'], 'duration' => PollDuration::SevenDays->value],
+    ]);
+
+    $poll = $user->commits()->sole()->poll;
+
+    $response->assertCreated()
+        ->assertJsonPath('data.status', 'pending')
+        ->assertJsonPath('data.poll.id', $poll->id)
+        ->assertJsonPath('data.poll.closes_at', null)
+        ->assertJsonPath('data.poll.options.*.label', ['Tabs', 'Spaces', 'Both 🎉']);
+
+    expect($poll->duration)->toBe(PollDuration::SevenDays)
+        ->and($poll->opened_at)->toBeNull();
+});
+
+it('opens the poll of an admin right away', function (): void {
+    $user = User::factory()->create();
+    $keyPair = apiKeyPairFor($user);
+
+    config(['app.admins' => [$user->username]]);
+
+    signedApiRequest($keyPair, 'POST', route('api-commit.store'), [
+        'body' => 'Tabs or spaces?',
+        'poll' => ['options' => ['Tabs', 'Spaces'], 'duration' => PollDuration::OneHour->value],
+    ])
+        ->assertCreated()
+        ->assertJsonPath('data.status', 'approved')
+        ->assertJsonPath('data.poll.closes_at', now()->startOfSecond()->addHour()->toJSON())
+        ->assertJsonPath('data.poll.is_closed', false);
+});
+
+it('rejects a poll on a quote from a signed request', function (): void {
+    $user = User::factory()->create();
+    $keyPair = apiKeyPairFor($user);
+    $quoted = Commit::factory()->create();
+
+    signedApiRequest($keyPair, 'POST', route('api-commit.store'), [
+        'body' => 'Which is it?',
+        'quoted_commit_id' => $quoted->id,
+        'poll' => ['options' => ['DNS', 'Not DNS'], 'duration' => PollDuration::OneDay->value],
+    ])
+        ->assertUnprocessable()
+        ->assertJsonValidationErrors(['poll' => 'The poll field prohibits quoted commit id from being present.']);
+
+    expect($user->commits()->exists())->toBeFalse()
+        ->and(Poll::query()->exists())->toBeFalse();
+});
+
+it('validates the poll of a commit from a signed request as the web does', function (Closure $data, string $field, string $message): void {
+    $user = User::factory()->create();
+    $keyPair = apiKeyPairFor($user);
+
+    signedApiRequest($keyPair, 'POST', route('api-commit.store'), ['body' => 'Tabs or spaces?', ...$data()])
+        ->assertUnprocessable()
+        ->assertJsonValidationErrors([$field => $message]);
+
+    expect($user->commits()->exists())->toBeFalse()
+        ->and(Poll::query()->exists())->toBeFalse();
+})->with([
+    'one option' => [fn (): array => ['poll' => ['options' => ['Tabs'], 'duration' => 1440]], 'poll.options', 'The poll.options field must have at least 2 items.'],
+    'five options' => [fn (): array => ['poll' => ['options' => ['A', 'B', 'C', 'D', 'E'], 'duration' => 1440]], 'poll.options', 'The poll.options field must not have more than 4 items.'],
+    'empty option' => [fn (): array => ['poll' => ['options' => ['Tabs', '  '], 'duration' => 1440]], 'poll.options.1', 'The poll.options.1 field is required.'],
+    'long option' => [fn (): array => ['poll' => ['options' => ['Tabs', str_repeat('a', 51)], 'duration' => 1440]], 'poll.options.1', 'The poll.options.1 field must not be greater than 50 characters.'],
+    'duplicate options' => [fn (): array => ['poll' => ['options' => ['Tabs', 'tabs'], 'duration' => 1440]], 'poll.options.1', 'The poll.options.1 field has a duplicate value.'],
+    'unknown duration' => [fn (): array => ['poll' => ['options' => ['Tabs', 'Spaces'], 'duration' => 30]], 'poll.duration', 'The selected poll.duration is invalid.'],
+    'no duration' => [fn (): array => ['poll' => ['options' => ['Tabs', 'Spaces']]], 'poll.duration', 'The poll.duration field is required when poll is present.'],
+    'no options' => [fn (): array => ['poll' => ['duration' => 1440]], 'poll.options', 'The poll.options field is required when poll is present.'],
+    'a reply' => [fn (): array => ['parent_id' => Commit::factory()->create()->id, 'poll' => ['options' => ['Tabs', 'Spaces'], 'duration' => 1440]], 'poll', 'The poll field prohibits parent id / images from being present.'],
+]);
+
 it('commits images from a signed request, in order, with their descriptions', function (): void {
     Storage::fake();