Built on Cloudflare's Global Edge

Support your customers in real time

Add live chat to any website with one line of code. Reply from your dashboard, Telegram, or WhatsApp. Every message in under 50ms.

Get Started Free See How It Works
Conversations
Sarah Johnson
How do I upgrade my plan?
Open
Alex via Telegram
Thanks for the quick help!
Telegram
Maria via WhatsApp
Can I get a demo?
WhatsApp
Tom Baker
Integration is working great
Sarah Johnson
Online
How do I upgrade my plan?
2:34 PM
Hi Sarah! You can upgrade from Settings. Want me to walk you through it?
2:35 PM
Yes please!
2:35 PM
Go to your dashboard, click Settings in the sidebar, then Billing. All plans are there!
2:36 PM
Built on the world's fastest cloud platform
Cloudflare WorkersDurable ObjectsD1R2KV

Everything you need.
Nothing you don't.

Real-time chat, multi-channel support, and team collaboration — all running on the edge.

Setup

One script tag. That's it.

Add FastSupport to any website in under 60 seconds. No build tools, no SDKs. Paste one line and your chat widget is live.

<!-- Add before </body> -->
<script src="https://fastsupport.dev/widget/widget.js"
  data-id="your-website-id"></script>
Widget is live — start chatting
Performance

Under 50ms. Globally.

Built on Cloudflare Durable Objects, every conversation runs at the edge. No cold starts, no relay servers.

Latency Benchmark
North America
12ms
Europe
24ms
Asia Pacific
38ms
South America
42ms
Unified Inbox

Widget, Telegram, WhatsApp. One dashboard.

Every message lands in the same inbox. Reply once, deliver everywhere. No app switching.

Website Widget
3.5KB gzipped — Shadow DOM isolated
Telegram
Bot webhook — auto-registered
WhatsApp
Business Cloud API — verified
Support agent

Human-First Support

Real people. Real conversations. Real-time.

Woman wearing headset

Always Connected

Your team, wherever they are.

Email OTP Login

No passwords. Secure magic-link authentication via email codes.

Team Management

Invite agents, assign conversations, manage multiple websites.

Custom Widget

Brand colors, greeting, position. Shadow DOM isolated.

Super Admin

See every website and conversation. Invite admins globally.

Edge-Native

300+ Cloudflare cities. No cold starts. Always fast.

File Uploads

Share files in chat. Stored securely on Cloudflare R2.

Connects where your
customers are

Every channel feeds into one real-time dashboard.

Website Widget
Telegram
WhatsApp
Email — Soon
Slack — Soon

Enterprise-grade.
Custom-fit.

Built for businesses that need reliable, real-time support infrastructure.

Enterprise
Custom
Tailored to your team size, volume, and integration needs.
  • Unlimited websites & conversations
  • Unlimited team members & agents
  • Telegram, WhatsApp & more
  • White-label widget & branding
  • Priority support & SLA
  • API access & webhooks
Contact Sales

Ready to talk to
your customers?

Set up FastSupport in under 60 seconds. No credit card required.

Get Started