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Build and scale AI agents that communicate over iMessage, RCS and SMS with a simple REST API, TypeScript SDK, and fully managed infrastructure.

Get started
npm install @messages-dev/sdk

Everything you need to ship

From sending your first message to scaling in production, the platform handles the hard parts.

Read the docs

SDK & REST API

A TypeScript SDK and simple REST API designed to get you sending messages in minutes.

Webhooks

Receive real-time notifications when messages arrive, reactions are added, or read receipts are sent.

Typing, reactions & receipts

Full support for tapback reactions, typing indicators, and read receipts across all conversations.

Sandbox environment

A dedicated sandbox to build and test your integration without sending real messages.

Managed infrastructure

We handle provisioning, scaling, and monitoring. You just write your agent logic.

Secure by default

End-to-end encryption, API key scoping, and webhook signature verification built in.

Ready to start building?

Get your API key and send your first message in minutes.