Launch HN: Chert (YC P26) – Twilio for iMessage
Summary
Chert is a YC-backed platform launching iMessage infrastructure to reach customers at scale. It enables building and deploying AI on iMessage with a REST API and webhooks, integrates with major CRM and collaboration tools, and emphasizes deliverability, end-to-end encryption, and a native iMessage experience for onboarding, support, and outbound outreach.