S2Graph is a graph database designed to handle transactional graph processing at scale. Its REST API allows you to store, manage and query relational information using edge and vertex representations in a fully asynchronous and non-blocking manner. This document covers the basic concepts and terminology of S2Graph to help you get a feel for the S2Graph API.

Mailing Lists Everyone interested in using and developing S2Graph is welcome to join our mailing lists! is for usage questions and announcements. is for people who want to contribute to S2Graph.