Layer was a messaging platform with the focus on conversational commerce.
The conversational commerce product featured a Server API, Client API, mobile SDKs for iOS and Android, a web SDK and an XDK (eXperience DK) for very quick time-to-market with all frontend components ready or production (available for iOS, Android and web).
Layer was used by many known companies like Staples, Web Summit, PayTM and Trunk Club.