Vask
Build scalable realtime apps with a Pusher-compatible WebSocket API, Cloudflare edge infrastructure, predictable pricing, and global low latency.

Build real-time applications without worrying about infrastructure, scaling, or unpredictable messaging costs. This WebSocket platform provides a Pusher-compatible API that lets developers migrate existing applications in minutes while dramatically reducing realtime infrastructure costs. Powered by Cloudflare's global edge network, it delivers low-latency messaging with straightforward, usage-based pricing.
Deploy Realtime Features with a Pusher-Compatible API
Add real-time messaging, notifications, collaboration, live updates, and presence features without managing WebSocket infrastructure.
The platform is fully compatible with the Pusher protocol, allowing developers to migrate existing applications by updating only a few configuration values while keeping their existing SDKs and application code.
Key Features
Pusher-Compatible Integration
Migrate existing realtime applications with minimal effort.
Continue using:
- Existing Pusher SDKs
- Channels
- Presence features
- Authentication callbacks
- Client events
without rewriting your application logic.
No Fan-Out Billing
Reduce realtime infrastructure costs with a simpler pricing model.
Instead of charging for every message delivered to every subscriber, the platform charges based on:
- Published messages
- Active connections
- Predictable usage
- Simplified billing
- Lower broadcast costs
to help applications scale more affordably.
Cloudflare Edge Network
Deliver realtime updates with low latency through a globally distributed infrastructure.
Benefits include:
- Global edge delivery
- Low-latency messaging
- Worldwide coverage
- High availability
- Fast client connections
powered by Cloudflare's network.
Realtime Communication Features
Build interactive applications with essential realtime capabilities.
Support includes:
- WebSockets
- Presence channels
- Client events
- Live broadcasts
- Realtime messaging
for modern web and mobile applications.
Flexible Developer Experience
Get started quickly with familiar tools and migration guides.
Developer resources include:
- Documentation
- Migration guides
- WebSocket testing tools
- Multiple SDK support
- Simple configuration
to accelerate implementation.
Generous Free Tier
Develop and test applications without upfront infrastructure costs.
Benefits include:
- Free monthly broadcasts
- Concurrent connection support
- Unlimited applications
- No credit card required
- Seamless plan upgrades
as your realtime workloads grow.
Built for Modern Realtime Applications
The platform is designed to help developers deploy scalable realtime features without managing servers or worrying about rapidly increasing messaging costs.
Key benefits include:
- Predictable pricing
- Fast global performance
- Simple migration
- Infrastructure-free scaling
- Developer-friendly APIs
Built For
- SaaS Companies
- Software Developers
- Startup Founders
- Engineering Teams
- Mobile App Developers
- Web Application Developers
Common Use Cases
- Live notifications
- Chat applications
- Realtime dashboards
- Collaborative editing
- Presence systems
- Live activity feeds
Why It Matters
Building realtime applications traditionally requires managing complex WebSocket infrastructure or relying on services that become increasingly expensive as audience sizes grow. By combining Pusher protocol compatibility, Cloudflare-powered edge infrastructure, and a publish-based pricing model that avoids fan-out charges, the platform enables developers to build scalable realtime experiences with lower operational complexity and more predictable costs.
Build Realtime Applications Without Infrastructure Complexity
Deploy scalable WebSocket-powered applications using a Pusher-compatible API, global edge infrastructure, predictable pricing, and developer-friendly tools designed to make realtime messaging simple, fast, and cost-effective.