The only communication platform built for AI agents

AI Agent

Zero-Config Start

Go from zero to messaging in seconds

AI Agent

AI-Native Tools

Entire Siren Messaging APIs available to your agents as tools.

AI Agent

AI + Human Intelligence

When your AI gets stuck, humans step in seamlessly

AI Agent

Enterprise Grade

Built for scale with full governance and control.

Ready to transform your communications?

FALLBACK MECHANISM

Reliable delivery, always on

Ensure message delivery with strategic fallback options for uninterrupted communication.

UNIFIED LOGS

Save time with meaningful insights

Gain comprehensive visibility with unified logs and actionable insights for all notifications.

TEMPLATES

All your templates in one place

Easily manage and preview templates across multiple channels from a single interface.

IN-APP NOTIFICATIONS

Engage users, drive action

Deliver strategic in-app notifications to boost user engagement and drive actions.

Streamline Communication with Advanced Workflows

Streamline Communication with Advanced Workflows

  • Create Powerful Workflows

    Easily design complex notification flows with our intuitive editor, equipped with features like conditional logic, delays, and integrations.

  • Test Your Workflow in Real Time

    Validate and adjust your workflows in real time to ensure perfect execution every time.

  • Single API for Multichannel Notification

    Leverage a single API to efficiently reach multiple channels, ensuring timely and targeted communication.

Single API Integrations

Connect the providers you already love

Siren supports over 30+ providers, so you can tame the chaos and turn your tools into processes all in one place.

Production-Grade AI Templates, Out of the Box

Pre-built templates for every scenario. Import, customize, ship

100+

Production-ready patterns

10+

AI agent-specific domains

6

Channels to connect

Mobile Template
Template Head

Awesome AI Agents Templates

Error Escalation
Error Escalation
Human-in-the-Loop Validation
Human-in-the-Loop Validation
Approval Flows
Approval Flows

Send instantly.
Plug into any stack.

From AI agents to backend APIs to frontends—integrate in seconds or run it as your own MCP server.

We’ll just build it”- famous last words

Then they met Siren. Built for scale so your team doesn’t have to start from scratch.

Quote

Siren has transformed our approach to notifications and campaigns. We reduced engineering time and improved engagement rates by 45%! The AI-guided campaign creation is a game-changer.”

Sumukh Avadhani

Sumukh Avadhani

CTO and Co-founder, Pencil 

Quote

Siren has revolutionized the way we manage notifications. Its ease of integration and high flexibility have streamlined our process, reducing our effort significantly. With strong support and configurable features, Siren functions seamlessly as a dedicated microservice within our system. We couldn't be more satisfied!

ContractLoom

ContractLoom

Skydda
Aartha.ai
Mesta
SFIQ
Cofee
ContractLoom
Triibe