Chert

Build and deploy AI on iMessage to reach people at scale while maintaining quality, trust, and personalized interaction.

One API. Many features.

Everything you expect from iMessage. Built for product teams, exposed through a single API surface.

• Blue bubble messaging: Real iMessage threads. Verified senders. End-to-end encryption.
• Typing & tapbacks: Live indicators and reactions, captured natively.
• SMS / RCS fallback: Auto-rerouted when the recipient is off-platform.
• Sending attachments: Photos, PDFs, links. Native to the thread.
• Live delivery state: Sub-second deliverability telemetry per message.

Build with iMessage.

20-minute kickoff. We'll talk through your use case and work on integrating iMessage into your application.