CastBrick Documentation

Developer and marketing docs for CastBrick — email & SMS APIs, SDKs, and dashboard workflows.

Welcome to the CastBrick documentation. CastBrick is a developer-first platform for sending emails and SMS, and for marketing teams to create, manage, and analyze campaigns.

Start with the Getting Started guide to send your first email or SMS, or jump to the API Reference and SDKs for language-specific instructions.