Dana Silver
October 20, 2025

Last week, we announced the new Courier Toasts SDK — rebuilt for a smoother, more customizable UX and a faster, drop-in integration experience. Today, we’ll show you just how easy it is to add real-time toast notifications to your app using Courier.
The new Toasts SDK is available today. Whether you’re starting from scratch or upgrading, it’s designed to help you deliver fast, intuitive, and consistent user feedback across your app.
Choose the SDK that fits your stack:

Build with AI: let your agent handle notifications end to end
Courier's Build with AI toolkit gives coding agents direct access to your notification infrastructure. Four integration points, one goal: let your agent send messages, debug deliveries, manage users, and follow notification best practices without context-switching. Works with Claude Code, Cursor, and any agent that can run shell commands or call MCP tools.
By Kyle Seyler
April 07, 2026

How to Use Claude Code on Mobile to Design, Test, and Ship Multichannel Notifications
A walkthrough of using Claude Code's mobile app with Courier's MCP server and CLI to design, test, and ship a multichannel product announcement from a phone. Covers the full workflow: drafting the content outline, creating notification templates using Courier's elemental format, building channel-specific variants for email, Slack, push, and SMS, customizing brand styling through the API, iterating on design with test sends, getting team approval, and publishing with custom routing rules. The whole thing took a couple hours, mostly cold start and design iterations.
By Kyle Seyler
April 06, 2026

Transactional, Product, and Marketing Notifications: What Are the Differences?
Understanding the difference between transactional, product, and marketing notifications is essential for developers building notification infrastructure. Transactional notifications confirm user actions and require no opt-in. Product notifications drive feature adoption through education. Marketing notifications promote sales and require explicit consent. This guide explains the legal requirements, best practices, and when to use each notification type to build compliant systems users trust.Retry
By Kyle Seyler
October 23, 2025
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