Products

    Courier Inbox

    In-app notifications

    Design Studio

    No-code notification designer

    Journeys

    Multi-step customer messaging

    Courier Create

    Embeddable notification designer

    User Preferences Manager

    Plug-and-play user preferences

    Notification Infrastructure

    Multichannel delivery platform

Solutions

    Solutions

    Customer Journeys

    Automate messaging across the user lifecycle

    Transactional Notifications

    Deliver important updates to users

    Alert Notifications

    Ensure critical alerts reach users

    User Preferences

    Let users control their messaging

    Notification Center

    In-app notification center for users

    Channels

    Email

    Mobile

    In-app

    Slack & MS Teams

    Industries

    Healthcare

    SaaS

    HR Platforms

    Marketplaces

    Developer Platforms

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Topic

Engineering

109 articles

How notification systems are actually built: architecture, delivery guarantees, retries, and the tradeoffs behind each.

All articlesEngineeringNotifications LandscapeGuideCourier
EDA Header Image

How An Event Driven Architecture Works

Event-Driven Architecture: how it works, why we use it at Courier, and what our experience has been like so far.

By Tony Nguyen

August 11, 2020

<10111213

Customer messaging platform for humans and AI agents

System status

Products

  • Courier Inbox
  • Design Studio
  • Journeys
  • Courier Create
  • User Preferences
  • Notification Infrastructure
  • Multichannel Routing
  • Pricing

Solutions

  • Transactional
  • Alert Notifications
  • Customer Journeys
  • User Preferences
  • Notification Center

Channels

  • Email
  • Mobile
  • In-app
  • Slack & MS Teams

Industries

  • Healthcare
  • SaaS
  • HR Platforms
  • Marketplaces
  • Developer Platforms

Resources

  • Blog
  • Build with AI
  • Changelog
  • Customers
  • Free Tools
  • Guides
  • Integrations
  • SDK Libraries
  • Docs
  • API Status

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