Quick Start

Choose your language and get started with CastBrick SDKs

Choose your programming language and follow the guide to integrate CastBrick into your app.

5-minute guide for Node.js and Express

5-minute guide for Python, Flask, and Django

Full JS/TS SDK reference

Send SMS with the C# SDK

Send SMS with the Go SDK

Full Python SDK reference

Send SMS with the Dart SDK

Don't see your language?

Use the REST API directly or contact us at support@castbrick.co.

CastBrick Documentation

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

Getting Started

Create account, generate API keys, and quick start examples