SMS meets Slack
Send and receive SMS messages directly in Slack. Get your dedicated phone number and start texting from your team channels with full message history and collaboration.
Dedicated Phone Number
Get your own US phone number for SMS messaging with area code selection.
Slack Integration
Send and receive SMS directly in dedicated Slack channels with your team.
Secure & Reliable
Enterprise-grade security with message encryption and reliable delivery.
Simple Pricing
Includes phone number, unlimited SMS, and all features
The Smarter, Cheaper Way to SMS in Slack
Looking for a powerful alternative to Clerk SMS, Heymarket, or Twilio integrations? Our solution delivers seamless SMS messaging directly within Slack—without the inflated costs or complicated setup.
Whether you're managing customer support, sales outreach, or internal alerts, our lightweight platform offers fast, reliable SMS communication at a fraction of the price.
With simple setup, flexible pricing, and a focus on efficiency, we make Slack SMS messaging smarter, not harder. Try it today and see why teams are switching from Clerk SMS and other overpriced tools.
Cost Effective
Fraction of the price of competitors
Lightning Fast
Quick setup, instant messaging
Simple Setup
No complicated configuration
📱 SMS Compliance Made Easy
SMS Relay helps you stay compliant with TCPA regulations and A2P 10DLC requirements.
🛡️ Built-in Compliance
- • Automatic opt-out handling (STOP, UNSUBSCRIBE)
- • A2P 10DLC registered campaigns
- • TCPA-compliant consent collection tools
- • Message delivery optimization
📚 Compliance Resources
Important: SMS Compliance Required
Before sending business SMS messages, you must obtain proper consent from recipients and comply with TCPA regulations. SMS Relay provides tools to help, but compliance is your responsibility.Learn more about SMS compliance requirements.