Ship features safely
at any scale
Control Flag gives you the power to deploy with confidence. Progressive rollouts, instant rollbacks, and real-time analytics—all at the edge.
Trusted by engineering teams at
Everything you need to ship with confidence
From simple boolean flags to complex targeting rules, Control Flag has you covered.
Edge-First Architecture
Built on Cloudflare Workers for sub-millisecond flag evaluation. Your flags are evaluated at 300+ edge locations worldwide.
Real-Time Updates
Changes propagate instantly via WebSockets. No polling, no delays—your users see updates in milliseconds.
Progressive Rollouts
Roll out features to 1%, 10%, or 50% of users. Target by user attributes, geography, or custom segments.
Enterprise Security
SOC 2 Type II compliant. RBAC, audit logs, SSO, and domain allowlisting keep your data secure.
Built-in Analytics
Track flag performance, user exposure, and conversion rates. Make data-driven decisions about your features.
Instant Rollbacks
Something wrong? Roll back any feature instantly with one click. No deploys, no downtime.
Get started in minutes
Integrate Control Flag into your app with just a few lines of code.
import { ControlFlag } from '@control-flag/sdk';
const client = new ControlFlag({
apiKey: process.env.CONTROL_FLAG_KEY,
});
// Check if feature is enabled
const showNewUI = await client.isEnabled('new_dashboard', {
userId: user.id,
email: user.email,
});
if (showNewUI) {
return <NewDashboard />;
}
return <Dashboard />;Install the SDK
Add our lightweight SDK to your project. Available for JavaScript, Python, Go, Ruby, and more.
Create your first flag
Define feature flags in the dashboard. Set targeting rules, rollout percentages, and default values.
Ship with confidence
Deploy your code and control features remotely. Roll out gradually, A/B test, or kill switch instantly.
Simple, transparent pricing
Start free, scale as you grow. No hidden fees.
Starter
Perfect for side projects and small teams getting started.
- Up to 10,000 monthly evaluations
- 5 feature flags
- 2 team members
- Community support
- Basic analytics
Pro
For growing teams that need more power and flexibility.
- Up to 1M monthly evaluations
- Unlimited feature flags
- 10 team members
- Priority support
- Advanced analytics
- A/B testing
- Audit logs
Enterprise
For organizations with advanced security and scale needs.
- Unlimited evaluations
- Unlimited everything
- SSO / SAML
- Dedicated support
- Custom SLA
- On-premise option
- SOC 2 Type II
Ready to ship faster?
Join thousands of developers who trust Control Flag to manage their feature releases.