--- title: "Customer messaging, powered by product data | Courier" description: Turn product signals into customer engagement. Build lifecycle journeys and deliver notifications across channels, with templates, routing, preferences, and observability included. published: "Mar 30, 2026, 3:33 PM UTC" --- # The customer messaging platform for humans & agents Turn every product signal into the right message.\ Orchestrate notifications and lifecycle journeys across every channel. [Omnichannel Messaging] ## A unified platform for customer engagement and notifications Developers, product and growth teams, all in one platform. Orchestrate customer messaging across every channel [Notification Infrastructure] ## The infrastructure behind every message Everything you need to orchestrate and deliver messages in your product. APIs, SDKs, and primitives for production systems. [Learn more](./platform/notification-infrastructure) [Customer Journeys] ## **Build multi-step messaging powered by your data.** Orchestrate user journeys end to end: trigger, personalize, and deliver across channels from one platform. [Learn more](./platform/journeys-customer-engagement-platform) [Design Foundation] ## 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. [Try Design Studio](https://www.courier.com/request-demo) [In-App Notifications] ## 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. [Learn about Inbox](https://www.courier.com/request-demo) [AI Agent] ## 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. [Learn about AI Agent](./platform/journeys-customer-engagement-platform#journeys-ai) ## Your customer engagement system, already built. Everything you need to design, send, and track notifications without building the infrastructure yourself. #### Multi-Channel Routing Route messages across email, SMS, push, Slack/MS Teams, and in-app based on user preferences and your rules. #### 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 Embed a template editor so customers can create, test, and publish messages on their own without leaving your app. #### Omnichannel Analytics Measure engagement across channels, monitor delivery health, and debug issues all from one place. #### Integration Platform Connect to 50+ providers (SendGrid, Twilio, APNs, Firebase, Slack) and switch without rewrites or vendor lock-in. #### 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 - ## 10M+Developers using Twilio's platform## 300K+Communication recipients### Twilio delivers multichannel notifications at scale with CourierTwilio, 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.[Full customer story](./use-cases/twilio) - ## 3,000+healthcare facilities## 95%nurse contract completion rate### Trusted Health powers hospital workforce notifications with CourierTrusted 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.[Full customer story](./use-cases/trusted-health-workforce-management) - ## 2.7M+small businesses supported### Nav delivers real-time banking notifications with CourierNav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.[Full customer story](./use-cases/nav-banking-notifications-fintech) - ## 10M+Developers using Twilio's platform## 300K+Communication recipients### Twilio delivers multichannel notifications at scale with CourierTwilio, 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.[Full customer story](./use-cases/twilio) - ## 3,000+healthcare facilities## 95%nurse contract completion rate### Trusted Health powers hospital workforce notifications with CourierTrusted 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.[Full customer story](./use-cases/trusted-health-workforce-management) - ## 2.7M+small businesses supported### Nav delivers real-time banking notifications with CourierNav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.[Full customer story](./use-cases/nav-banking-notifications-fintech) - ## 10M+Developers using Twilio's platform## 300K+Communication recipients### Twilio delivers multichannel notifications at scale with CourierTwilio, 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.[Full customer story](./use-cases/twilio) - ## 3,000+healthcare facilities## 95%nurse contract completion rate### Trusted Health powers hospital workforce notifications with CourierTrusted 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.[Full customer story](./use-cases/trusted-health-workforce-management) - ## 2.7M+small businesses supported### Nav delivers real-time banking notifications with CourierNav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.[Full customer story](./use-cases/nav-banking-notifications-fintech) - ## 10M+Developers using Twilio's platform## 300K+Communication recipients### Twilio delivers multichannel notifications at scale with CourierTwilio, 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.[Full customer story](./use-cases/twilio) - ## 3,000+healthcare facilities## 95%nurse contract completion rate### Trusted Health powers hospital workforce notifications with CourierTrusted 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.[Full customer story](./use-cases/trusted-health-workforce-management) - ## 2.7M+small businesses supported### Nav delivers real-time banking notifications with CourierNav uses Courier to power reliable, multi-channel notifications for banking and credit products—keeping alerts tied directly to real-time product events at scale.[Full customer story](./use-cases/nav-banking-notifications-fintech) ## 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. [Setup your harness](https://www.courier.com/docs/tools/ai-onboarding) #### 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. [AI quickstart](https://www.courier.com/docs/tools/ai-onboarding) Claude Code welcome\_email\_v2.ts #### Drop-in UI Components Add an in-app inbox and toasts with our SDKs for React, JavaScript, iOS, Android, React Native, and Flutter. [Read docs](https://www.courier.com/docs/platform/inbox/inbox-overview) courier.com, Preview, file\_name.ts, 1, 2, 3, 4, 5, 6, 7 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 \;\ } #### 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 Track every message across channels with delivery status, errors, and engagement all in one place. courier.com Logs [Enterprise-ready Security] ## **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. [Visit Trust Center](https://security.courier.com/) 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. [Start sending for free](https://app.courier.com/signup) [Request demo](https://www.courier.com/request-demo) Multichannel Notifications Platform for developers Products [Courier Inbox](./platform/inbox) [Design Studio](./platform/courier-create) [Journeys](./platform/journeys-customer-engagement-platform) [Courier Create](./platform/courier-create) [User Preferences](./platform/preferences-management) [Notification Infrastructure](./platform/notification-infrastructure) [Pricing](./pricing) Solutions [Transactional](./solutions/transactional-notifications) [Alert Notifications](./solutions/alert-notifications) [Customer Journeys](./solutions/customer-journeys) [User Preferences](./solutions/user-preferences) [Notification Center](./solutions/inbox) Channels [Email](./solutions/email-channel) [Mobile](./solutions/mobile-channel) [In-app](./solutions/in-app-channel) [Slack & MS Teams](./solutions/ms-teams-slack-channel) Industries [Healthcare](./solutions/healthcare) [SaaS](./solutions/saas) [HR Platforms](./solutions/hr) [Marketplaces](./solutions/marketplace) [Developer Platforms](./solutions/hr) Resources [Blog](https://www.courier.com/blog) [Build with AI](https://www.courier.com/docs/tools/ai-onboarding) [Changelog](./changelog) [Customers](./customers) [Guides](./guides/overview) [Integrations](./integrations-manager) [SDK libraries](https://www.courier.com/docs/sdk-libraries/sdks-overview) [Docs](https://www.courier.com/docs/welcome)[All Systems Operational](https://status.courier.com/) © 2026 Courier. All rights reserved. [Privacy Policy](./privacy-policy) [Terms of service](./terms-of-service) [Security](https://security.courier.com/) [Responsible Disclosure Policy](./responsible-disclosure-policy) --- ## Navigation - [Docs](https://www.courier.com/docs/welcome) - [Pricing](./pricing) - [Request demo](https://www.courier.com/request-demo) - [Log in](https://app.courier.com/login) - [Sign up](https://app.courier.com/signup)