The product
What Chert is building
Chert offers developer infrastructure for building applications that use iMessage. The company’s public launch post explains that it is building an API layer for iMessage workflows, with a product intended for developers who need messaging capabilities beyond a conventional SMS integration. The site provides a public route to learn about the service and request access.
From the maker
Chert shares its YC launch and iMessage API focus
Chert is an early developer-infrastructure product focused on an unusual messaging surface: iMessage. Its May launch post supplies a first-party account of the product’s public introduction. The entry uses only product claims visible in that source and does not imply any maker endorsement or verification.