The customer messaging platform for humans & agents
The customer messaging platform for humans & agents
The customer messaging platform for humans & agents
Turn every product signal into the right message.
Orchestrate notifications and lifecycle journeys across every channel.
Turn every product signal into the right message. Orchestrate notifications and lifecycle journeys across every channel.
A unified platform for customer
engagement and notifications
A unified platform for customer messaging and notifications
Developers, product and growth teams, all in one platform. Orchestrate customer messaging across every channel
Developers, product and growth teams, all in one platform. Orchestrate customer messaging across every channel
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Build multi-step messaging powered by your data.
Orchestrate user journeys end to end: trigger, personalize, and deliver across channels from one platform.
Anyone can ship great notifications
Design content without code and ship updates in minutes. Drop-in visual editor for you or your customers, with multi-channel preview on one canvas.
Your product's notification center
Embed a notification center into your product with custom components that fit with your design. Real-time sync across devices for a fully integrated messaging system.
AI agents, built into every journey
Run GPT-5.4, Claude Opus, and other frontier models as a step in any workflow. Score users, generate personalized content, enrich profiles, and return structured output your branches, sends, and integrations act on directly.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Build multi-step messaging powered by your data.
Orchestrate user journeys end to end: trigger, personalize, and deliver across channels from one platform.
Anyone can ship great notifications
Design content without code and ship updates in minutes. Drop-in visual editor for you or your customers, with multi-channel preview on one canvas.
Your product's notification center
Embed a notification center into your product with custom components that fit with your design. Real-time sync across devices for a fully integrated messaging system.
AI agents, built into every journey
Run GPT-5.4, Claude Opus, and other frontier models as a step in any workflow. Score users, generate personalized content, enrich profiles, and return structured output your branches, sends, and integrations act on directly.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Build multi-step messaging powered by your data.
Orchestrate user journeys end to end: trigger, personalize, and deliver across channels from one platform.
Anyone can ship great notifications
Design content without code and ship updates in minutes. Drop-in visual editor for you or your customers, with multi-channel preview on one canvas.
Your product's notification center
Embed a notification center into your product with custom components that fit with your design. Real-time sync across devices for a fully integrated messaging system.
AI agents, built into every journey
Run GPT-5.4, Claude Opus, and other frontier models as a step in any workflow. Score users, generate personalized content, enrich profiles, and return structured output your branches, sends, and integrations act on directly.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Build multi-step messaging powered by your data.
Orchestrate user journeys end to end: trigger, personalize, and deliver across channels from one platform.
Anyone can ship great notifications
Design content without code and ship updates in minutes. Drop-in visual editor for you or your customers, with multi-channel preview on one canvas.
Your product's notification center
Embed a notification center into your product with custom components that fit with your design. Real-time sync across devices for a fully integrated messaging system.
AI agents, built into every journey
Run GPT-5.4, Claude Opus, and other frontier models as a step in any workflow. Score users, generate personalized content, enrich profiles, and return structured output your branches, sends, and integrations act on directly.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Journeys that guide users to value
Trigger on product events, branch based on user actions, send across channels in one flow. Non-technical teams build and iterate while Courier handles timing, routing, and delivery logic.
Anyone can ship great notifications
Design content without code and ship updates in minutes. Drop-in visual editor for you or your customers, with multi-channel preview on one canvas.
Your product's notification center
Add a real-time in-app inbox in a day, not a quarter with drop-in components for web and mobile.
AI agents, built into every journey
Add GPT-5.4, Claude Opus 4.6, and other frontier models into your workflow to score users, generate content, enrich profiles, and personalize every journey.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Journeys that guide users to value
Trigger on product events, branch based on user actions, send across channels in one flow. Non-technical teams build and iterate while Courier handles timing, routing, and delivery logic.
Anyone can ship great notifications
Design content without code and ship updates in minutes. Drop-in visual editor for you or your customers, with multi-channel preview on one canvas.
Your product's notification center
Add a real-time in-app inbox in a day, not a quarter with drop-in components for web and mobile.
AI agents, built into every journey
Add GPT-5.4, Claude Opus 4.6, and other frontier models into your workflow to score users, generate content, enrich profiles, and personalize every journey.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Journeys that guide users to value
Trigger on product events, branch based on user actions, send across channels in one flow. Non-technical teams build and iterate while Courier handles timing, routing, and delivery logic.
Everyone can now launch beautiful messages
Use our visual editor to design templates, test changes, and ship updates in minutes across every channel you use.
Your product's notification center
Embed a notification center into your product with custom components that fit with your design. Real-time sync across devices for a fully integrated messaging system.
AI agents, built into every journey
Run GPT-5.4, Claude Opus, and other frontier models as a step in any workflow. Score users, generate personalized content, enrich profiles, and return structured output your branches, sends, and integrations act on directly.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Journeys that guide users to value
Trigger on product events, branch based on user actions, send across channels in one flow. Non-technical teams build and iterate while Courier handles timing, routing, and delivery logic.
Everyone can now launch beautiful messages
Use our visual editor to design templates, test changes, and ship updates in minutes across every channel you use.
Your product's notification center
Embed a notification center into your product with custom components that fit with your design. Real-time sync across devices for a fully integrated messaging system.
AI agents, built into every journey
Run GPT-5.4, Claude Opus, and other frontier models as a step in any workflow. Score users, generate personalized content, enrich profiles, and return structured output your branches, sends, and integrations act on directly.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Journeys that guide users to value
Trigger on product events, branch based on user actions, send across channels in one flow. Non-technical teams build and iterate while Courier handles timing, routing, and delivery logic.
Anyone can ship great notifications
Design content without code and ship updates in minutes. Drop-in visual editor for you or your customers, with multi-channel preview on one canvas.
Your product's notification center
Add a real-time in-app inbox in a day, not a quarter with drop-in components for web and mobile.
AI agents, built into every journey
Run GPT-5.4, Claude Opus, and other frontier models as a step in any workflow. Score users, generate personalized content, enrich profiles, and return structured output your branches, sends, and integrations act on directly.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Journeys that guide users to value
Trigger on product events, branch based on user actions, send across channels in one flow. Non-technical teams build and iterate while Courier handles timing, routing, and delivery logic.
Anyone can ship great notifications
Design content without code and ship updates in minutes. Drop-in visual editor for you or your customers, with multi-channel preview on one canvas.
Your product's notification center
Add a real-time in-app inbox in a day, not a quarter with drop-in components for web and mobile.
AI agents, built into every journey
Run GPT-5.4, Claude Opus, and other frontier models as a step in any workflow. Score users, generate personalized content, enrich profiles, and return structured output your branches, sends, and integrations act on directly.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Journeys that guide users to value
Trigger on product events, branch based on user actions, send across channels in one flow. Non-technical teams build and iterate while Courier handles timing, routing, and delivery logic.
Anyone can ship great notifications
Design content without code and ship updates in minutes. Drop-in visual editor for you or your customers, with multi-channel preview on one canvas.
Your product's notification center
Embed a notification center into your product with custom components that fit with your design. Real-time sync across devices for a fully integrated messaging system.
AI agents, built into every journey
Run GPT-5.4, Claude Opus, and other frontier models as a step in any workflow. Score users, generate personalized content, enrich profiles, and return structured output your branches, sends, and integrations act on directly.
The infrastructure behind every message
Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems.
Journeys that guide users to value
Trigger on product events, branch based on user actions, send across channels in one flow. Non-technical teams build and iterate while Courier handles timing, routing, and delivery logic.
Anyone can ship great notifications
Design content without code and ship updates in minutes. Drop-in visual editor for you or your customers, with multi-channel preview on one canvas.
Your product's notification center
Embed a notification center into your product with custom components that fit with your design. Real-time sync across devices for a fully integrated messaging system.
AI agents, built into every journey
Run GPT-5.4, Claude Opus, and other frontier models as a step in any workflow. Score users, generate personalized content, enrich profiles, and return structured output your branches, sends, and integrations act on directly.
Your customer engagement system, already built.
Everything you need to design, send, and track notifications without building the infrastructure yourself.
Everything you need to design, send, and track notifications without building the infrastructure yourself.
Multi-Channel Routing
Multi-Channel Routing
Multi-Channel Routing
Route messages across email, SMS, push, Slack/Microsoft Teams, and in-app based on user preferences and your rules.
Managed User Preferences
Managed User Preferences
Managed User Preferences
Let users control what they receive and where with a built-in preference center you can drop into your app.
Drop-In Designer
Drop-In Designer
Drop-In Designer
Embed a template editor so customers can create, test, and publish messages on their own without leaving your app.
Omnichannel Analytics
Omnichannel Analytics
Omnichannel Analytics
Measure engagement across channels, monitor delivery health, and debug issues all from one place.
Integration Platform
Integration Platform
Integration Platform
Connect to 50+ providers (SendGrid, Twilio, APNs, Firebase, Slack) and switch without rewrites or vendor lock-in.
Multi-tenant Support
Multi-tenant Support
Multi-tenant Support
Support multiple customers or brands with isolated templates, rules, and user data—each tenant configured independently.
Courier powers customer messaging
from startups to the Fortune 500
Powering customer messaging
from startups to the
Fortune 500
10M+
Developers using Twilio's platform
300K+
Communication recipients
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Twilio delivers multichannel notifications at scale with Courier
Twilio, powering nearly a trillion digital interactions a year across texts, email, voice, and video, used Courier to unify message infrastructure for their 300,000 customers.
3,000+
healthcare facilities
95%
nurse contract completion rate
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Trusted Health powers hospital workforce notifications with Courier
Trusted Health uses Courier to deliver product-driven notifications across clinicians and hospital operators—supporting credentialing, job matching, and staffing workflows with messaging tied directly to real-time product data.
2.7M+
small businesses supported
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Nav delivers real-time banking notifications with Courier
Nav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.
10M+
Developers using Twilio's platform
300K+
Communication recipients
Twilio delivers multichannel notifications at scale with Courier
Twilio, powering nearly a trillion digital interactions a year across texts, email, voice, and video, used Courier to unify message infrastructure for their 300,000 customers.
3,000+
healthcare facilities
95%
nurse contract completion rate
Trusted Health powers hospital workforce notifications with Courier
Trusted Health uses Courier to deliver product-driven notifications across clinicians and hospital operators—supporting credentialing, job matching, and staffing workflows with messaging tied directly to real-time product data.
2.7M+
small businesses supported
Nav delivers real-time banking notifications with Courier
Nav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.
10M+
Developers using Twilio's platform
300K+
Communication recipients
Twilio delivers multichannel notifications at scale with Courier
Twilio, powering nearly a trillion digital interactions a year across texts, email, voice, and video, used Courier to unify message infrastructure for their 300,000 customers.
3,000+
healthcare facilities
95%
nurse contract completion rate
Trusted Health powers hospital workforce notifications with Courier
Trusted Health uses Courier to deliver product-driven notifications across clinicians and hospital operators—supporting credentialing, job matching, and staffing workflows with messaging tied directly to real-time product data.
2.7M+
small businesses supported
Nav delivers real-time banking notifications with Courier
Nav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.
10M+
Developers using Twilio's platform
300K+
Communication recipients
Twilio delivers multichannel notifications at scale with Courier
Twilio, powering nearly a trillion digital interactions a year across texts, email, voice, and video, used Courier to unify message infrastructure for their 300,000 customers.
3,000+
healthcare facilities
95%
nurse contract completion rate
Trusted Health powers hospital workforce notifications with Courier
Trusted Health uses Courier to deliver product-driven notifications across clinicians and hospital operators—supporting credentialing, job matching, and staffing workflows with messaging tied directly to real-time product data.
2.7M+
small businesses supported
Nav delivers real-time banking notifications with Courier
Nav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.
10M+
Developers using Twilio's platform
300K+
Communication recipients
Twilio delivers multichannel notifications at scale with Courier
Twilio, powering nearly a trillion digital interactions a year across texts, email, voice, and video, used Courier to unify message infrastructure for their 300,000 customers.
3,000+
healthcare facilities
95%
nurse contract completion rate
Trusted Health powers hospital workforce notifications with Courier
Trusted Health uses Courier to deliver product-driven notifications across clinicians and hospital operators—supporting credentialing, job matching, and staffing workflows with messaging tied directly to real-time product data.
2.7M+
small businesses supported
Nav delivers real-time banking notifications with Courier
Nav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.
10M+
Developers using Twilio's platform
300K+
Communication recipients
Twilio delivers multichannel notifications at scale with Courier
Twilio, powering nearly a trillion digital interactions a year across texts, email, voice, and video, used Courier to unify message infrastructure for their 300,000 customers.
3,000+
healthcare facilities
95%
nurse contract completion rate
Trusted Health powers hospital workforce notifications with Courier
Trusted Health uses Courier to deliver product-driven notifications across clinicians and hospital operators—supporting credentialing, job matching, and staffing workflows with messaging tied directly to real-time product data.
2.7M+
small businesses supported
Nav delivers real-time banking notifications with Courier
Nav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.
10M+
Developers using Twilio's platform
300K+
Communication recipients
Twilio delivers multichannel notifications at scale with Courier
Twilio, powering nearly a trillion digital interactions a year across texts, email, voice, and video, used Courier to unify message infrastructure for their 300,000 customers.
3,000+
healthcare facilities
95%
nurse contract completion rate
Trusted Health powers hospital workforce notifications with Courier
Trusted Health uses Courier to deliver product-driven notifications across clinicians and hospital operators—supporting credentialing, job matching, and staffing workflows with messaging tied directly to real-time product data.
2.7M+
small businesses supported
Nav delivers real-time banking notifications with Courier
Nav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.
10M+
Developers using Twilio's platform
300K+
Communication recipients
Twilio delivers multichannel notifications at scale with Courier
Twilio, powering nearly a trillion digital interactions a year across texts, email, voice, and video, used Courier to unify message infrastructure for their 300,000 customers.
3,000+
healthcare facilities
95%
nurse contract completion rate
Trusted Health powers hospital workforce notifications with Courier
Trusted Health uses Courier to deliver product-driven notifications across clinicians and hospital operators—supporting credentialing, job matching, and staffing workflows with messaging tied directly to real-time product data.
2.7M+
small businesses supported
Nav delivers real-time banking notifications with Courier
Nav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.
AI-native. Agent ready.
AI-native. Agent ready.
AI-native. Agent ready.
AI-native. Agent ready.
Built for the modern AI developer workflow. Ship messaging with our CLI, MCP server, SDKs, and APIs. Use Claude Code, Cursor, Codex, and more.
Built for the modern AI developer workflow. Ship messaging with our CLI, MCP server, SDKs, and APIs. Use Claude Code, Cursor, Codex, and more.
Use your harness of choice
Use your harness of choice
Use your harness of choice
Built for the way teams work now, with a CLI, MCP server, and SDKs that fit naturally into Cursor, Claude Code, Codex, and more.
Claude Code
welcome_email_v2.ts
Drop-in UI Components
Drop-in UI Components
Drop-in UI Components
Add an in-app inbox and toasts with our SDKs for React, JavaScript, iOS, Android, React Native, and Flutter.
courier.com
Preview
App.tsx
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import { useCourier, CourierInbox } from "@trycourier/courier-react";export default function App() {
const courier = useCourier(); useEffect(() => {
// Authenticate the user
courier.shared.signIn({ userId, jwt });
}, []); // Add the Inbox component
return <CourierInbox />;
}
Workflow Automation
Workflow Automation
Workflow Automation
Automate message workflows with rules and timing. Batch events into digests, then throttle sends to prevent notification floods.
courier.com
Automations
End-to-end Observability
End-to-end Observability
End-to-end Observability
Track every message across channels with delivery status, errors, and engagement all in one place.
courier.com
Logs
Safe, secure, and compliant.
Courier is built to protect customer data with strong access controls, encryption, and auditability. Security and compliance are part of the platform so teams can ship notifications without adding custom safeguards.
Courier is built to protect customer data with strong access controls, encryption, and auditability. Security and compliance are part of the platform so teams can ship notifications without adding custom safeguards.
From data residency to robust encryption, Courier delivers the safeguards required for platform communications out of the box.
From data residency to robust encryption, Courier delivers the safeguards required for platform communications out of the box.
Every message, every channel. One platform
Stop building messaging infrastructure. Start shipping.
