Guide

Top 5 Considerations Before Rolling Out SMS Messages

You've got notifications working. Maybe you're sending emails, or you have push notifications running. Now you're thinking about adding SMS to the mix. SMS can make a real difference when done right, but there are some important things to think through first that'll save you headaches later. This guide covers the 5 most important considerations: smart channel routing, provider flexibility, unified API management, user preference systems, and logging analytics.

Toast Messages and Web Push Notifications: Complete Guide

Complete guide to toast messages and web push notifications for modern user engagement. Learn implementation best practices, platform differences, when to use each notification type, and how Courier's unified notification infrastructure streamlines web push delivery while providing React components for seamless toast integration. Covers timing strategies, visual design standards, and multi-channel routing across email, SMS, and in-app messaging for maximum engagement.

Checklist for Building a Better In-App Notification Center (And How Courier Checks Every Box)

Building a modern notification center requires real-time updates, cross-platform sync, and multi-channel orchestration. Companies like Twilio chose Courier instead of building in-house. This complete checklist covers 7 essential requirements: WebSocket delivery, state sync between web and mobile, email/SMS/push orchestration, audit logging, native SDKs, preference management, and automatic failover. Learn how to implement everything in under an hour vs 6 months of custom development.

Video Tutorial: Getting Started with the New Courier Inbox for React

See how easy it is to add real-time in-app notifications to your React app with the new Courier Inbox for Web. Watch the demo and start building in minutes.

Top 7 Push Notification Providers in 2025

Push notifications drive real-time engagement, but managing multiple providers creates integration complexity. Courier is provider-agnostic orchestration layer for Push, Email, SMS, In-App, and Chat. We evaluated 7 top push services—FCM for universal coverage, APNS for iOS reliability, MagicBell for in-app centers, plus Airship, Pusher Beams, Expo, and AWS SNS. Most apps need multiple providers like FCM + APNS + MagicBell. Instead of custom integrations, use notification orchestration for automatic failover and unified management across email, SMS, and chat channels.

Top 6 Email Service Providers for Transactional Notifications in 2025

Comprehensive guide to the 6 best email service providers for transactional notifications in 2025. Compare SendGrid for high-volume enterprise delivery, Mailgun for developer APIs and routing control, Resend for React-based templates, AWS SES at $0.10/1000 emails for cost efficiency, Postmark with <2 second delivery for critical notifications, and SMTP for universal compatibility. Learn why most teams need multiple ESPs, how to meet new SPF/DKIM/DMARC requirements for Gmail, Yahoo, and Outlook.

Courier + Segment: A Guide to Event-Driven Messaging

Courier's native, bidirectional Twilio Segment connection enables real-time event-driven messaging with engagement feedback loops. Trigger multi-channel notifications (email, SMS, push, in-app) from Segment track events like "Trial Started" or "Feature Used." Courier sends engagement data back to Segment for behavioral analytics. Build automated workflows with drag-and-drop editor, conditional logic, and channel fallbacks. Supports SendGrid, Twilio, and native Inbox components for comprehensive notification orchestration.

Best Practices for SMS Tools and Text Message API Implementation

Courier delivers easy access to the messaging providers you use, all in a familiar language and with documentation that’s comprehensive and easy to follow. This page will give you an overview of the SMS providers supported by Courier’s text messaging API, so that you can assess if moving towards a messaging management tool is right for you.

How to Use a Push API to Send Notifications from your Mobile App

This article dives into the topic of push notifications and explains how to use Courier’s push API to deliver simple, one-time push notifications to Android or iOS systems.