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Introducing Siren

Say goodbye to integrating multiple vendor APIs into your product. With Siren, you can manage all your notification needs seamlessly in one place. Siren empowers you with a comprehensive suite of APIs, SDKs, and UI-Kits, enabling effortless multi-channel notification experiences within your product.

Whether you’re building internal tools, deploying AI agents, or scaling human-in-the-loop systems, Siren makes it easy for your agents to communicate across Email, Slack, SMS, WhatsApp, Push, and more

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Start building

Agent Toolkit

Customize your docs to your company’s colors and brands

MCP Server

Automatically generate endpoints from an OpenAPI spec

SDKs

Build interactive features and designs to guide your users

APIs

Check out our showcase of our favorite documentation