Courier
Customer messaging and notification orchestration platform
Founded
N/A
Starting Price
Free
Category
Communication
Last updated March 5, 2026
About Courier
Courier is a unified notification orchestration platform that enables product and engineering teams to send customer messages across email, SMS, push, Slack, Microsoft Teams, and in-app channels from a single API. It combines visual template design, multi-step journey automation, and an embedded inbox component, eliminating the need to build custom notification infrastructure.
Pros & Cons
Pros
- Unified multi-channel platform reduces integration complexity and vendor management
- Generous free tier with 10,000 monthly notifications
- Extensive third-party provider integrations cover most notification channels
- Visual design studio and journey builder accessible to non-developers
- Drop-in inbox component eliminates custom notification UI development
Key Features
Multi-Channel Delivery
Send notifications via email, SMS, push, Slack, Teams, and in-app with intelligent fallback routing
Visual Design Studio
Drag-and-drop template builder for crafting message templates across channels
Journey Builder
Create lifecycle and behavior-triggered notification workflows
In-App Inbox
Real-time embedded inbox component with cross-device synchronization
50+ Provider Integrations
Connect with SendGrid, Twilio, Firebase, Slack, and many more providers
User Preferences
Built-in preference management and consent controls for recipients
Drop-In UI Components
Pre-built components for React, JavaScript, iOS, Android, and Flutter
Delivery Analytics
Pricing
Developer
Free/month
- 10,000 monthly notifications
- SSO (Google/GitHub)
- Email support
- 30-day log retention
Business
Pay-as-you-go
Best For
Product Notifications
Orchestrate user onboarding, transactional, and lifecycle notifications across channels
Multi-Channel Alerts
Send critical alerts with automatic fallback from push to SMS to email
In-App Messaging
Embed a notification inbox in your app with cross-device sync
