Instant Delivery. Global Scale.
AI Agent Native.
The modern alternative to Twilio. Built for autonomous AI agents and modern engineering teams. Currently in private beta for applications in the cntnus incubator — signups with @cntn.us or @cntnus.com get direct access; all other applications are placed on our waiting list.
Request Private Beta Access
Enter your work email to get started. Incubator applications (@cntn.us, @cntnus.com) receive direct access.
@cntn.us or @cntnus.com emails.
Pure Usage-Based Pricing
Pay only for what you send. No minimum commitments, no hidden fees.
Built for Autonomous AI Agents
Equip Claude, ChatGPT, Gemini, or custom LLM agents with standard Model Context Protocol (MCP) tools and one-click tokens.
// Loading MCP Configuration...Enterprise Power. Zero Bloat.
Everything your engineering team and AI agents need to communicate globally.
Deliverability Engine
Multi-domain DKIM, SPF, and DMARC verification with Amazon SES delivery.
Global SMS Dispatch
Worldwide high-throughput SMS routing with automatic 160-char segmentation.
Real-Time Webhooks
Secure webhook dispatch with HMAC signing and exponential retry backoff.
Multi-Domain Support
Send from ruellia.cntnus.app or seamlessly connect your organization domains.
Real-Time Telemetry
Live dashboards measuring requests, message actions, and bytes stored.
Enterprise Reliability
High-availability cloud architecture designed for 99.99% uptime and instant global scaling.