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Any integration for any channel

Deliver notifications to any channel that your users live in, all via a single API.

Email Providers

Courier integrates with email providers ranging from email APIs to Gmail.

AWS SES

Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service that enables developers to send mail from within any application.

Gmail

Gmail is a free email service provided by Google. As of 2019, it had 1.5 billion active users worldwide.

MailerSend

Cloud-based transactional email system designed for everyone. Integrate with your own API, use advanced email analytics and work with dynamic email templates.

Mailgun

Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind. Learn more today!

Mailjet

Streamline your emailing and boost your sales with Mailjet. We serve all your email and SMS needs with one simple and powerful service.

Mandrill

Mandrill is a transactional email API for MailChimp users. It's reliable, powerful, and ideal for sending data driven emails, including targeted e-commerce and personalized one-to-one messages.

OneSignal Email

Send dynamic email campaigns and manage all of your cross-channel communication from one intuitive platform.

Postmark

Send transactional and marketing emails and get them to the inbox on time, every time. Postmark is a fast and reliable email delivery service for developers.

SendGrid

Delivering your transactional and marketing emails through the world's largest cloud-based email delivery platform. Send with confidence.

SMTP

SMTP email relay service that is powerful, secured and reliable. Send better transactional emails and integrate easily with our email API.

SparkPost

SparkPost, the world's 1st predictive email intelligence platform, helps brands predict & optimize email performance with unmatched data quality. Get a free demo.

Other Providers

We support a variety of non-traditional notification channels.

AWS SNS

Amazon SNS is a managed messaging service for communication enabling messaging between decoupled microservices applications or directly to users via SMS, mobile push & email.

Beamer

Announce new features, latest updates, important news and more with an out of the box notification center and changelog tool as a service. Try it for free.

Custom

You can use a Custom Provider with our Push channel to send incoming messages to an arbitrary webhook. Normally these messages get send to the Courier Push Provider, but you might have your own system already setup to receive and display messages to your users.

Drift

With Drift Meetings, you can automatically book qualified sales meetings for your sales reps - even when they are sleeping. All they have to do is show up.

Intercom

Build great customer relationships every step of the journey with Intercom.

MagicBell

Add MagicBell's embeddable Notification Inbox to your product in an hour. Offer a real-time notification system to your users with notification preference management, push updates, and email delivery.

NowPush

Seamlessly connecting your devices together as one, on any device, on any operating system, on your phone, your tablet, your mac, your PC, or just in your browser.

PagerDuty

See how PagerDuty's Platform for Real-Time Operations integrates machine data & human intelligence to improve visibility & agility across organizations. Sign up for a free 14 day trial!

Pushbullet

Pushbullet connects your devices, making it easy and automatic to share almost anything between them.

Pusher

Simple, scalable and reliable. Hosted realtime APIs loved by developers and trusted by giants. Build live dashboards, notifications, geotracking, chat and more.

Segment

Segment is a customer data platform (CDP) that helps you collect, clean, and activate your customer data.

Splunk On-Call

Get the latest FREE Enterprise Security Content Update (ESCU) App with 756 detections for Splunk.

Facebook Messenger

Build lasting customer relationships through conversation. Messenger allows you to connect with billions of people in a channel they prefer— making business personal and convenient.

Webhook

Courier supports sending HTTP requests to a specified destination using the Webhook provider.

OPS Genie

The world’s leader for customer messaging including mobile push notifications, web push, SMS, email & in-app messaging. Trusted by 1 million+ developers.

Alternative Guides

Explore alternatives and side-by-side comparisons for some of the most popular providers.

Sinch
Alternatives

Connect with customers and make engagement personal with our simple, programmable SMS, voice, video, & verification tools. Find out more information today.

Plivo
Alternatives

Plivo's SMS API and Voice API platform enables businesses to communicate with their customers on a global scale. Sign up for free now.

Drift
Alternatives

With Drift Meetings, you can automatically book qualified sales meetings for your sales reps - even when they are sleeping. All they have to do is show up.

Pushbullet
Alternatives

Pushbullet connects your devices, making it easy and automatic to share almost anything between them.

Telnyx
Alternatives

The Telnyx platform and API gives developers access to real-time voice and SMS capabilities. Get a free testing credit to start building today.

SendGrid
Alternatives

Delivering your transactional and marketing emails through the world's largest cloud-based email delivery platform. Send with confidence.

Beamer
Alternatives

Announce new features, latest updates, important news and more with an out of the box notification center and changelog tool as a service. Try it for free.

Splunk On-Call
Alternatives

Get the latest FREE Enterprise Security Content Update (ESCU) App with 756 detections for Splunk.

SparkPost
Alternatives

SparkPost, the world's 1st predictive email intelligence platform, helps brands predict & optimize email performance with unmatched data quality. Get a free demo.

AWS SES
Alternatives

Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service that enables developers to send mail from within any application.

OneSignal Email
Alternatives

Send dynamic email campaigns and manage all of your cross-channel communication from one intuitive platform.

Vonage
Alternatives

Vonage offers flexible and scalable voice, messaging, video and data capabilities across Unified Communications, Contact Centers and Communications APIs.

Comparison Guides

Explore side-by-side comparisons including features, pricing, and more.

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AWS SNS vs Plivo

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Mailgun vs Postmark

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Mandrill vs Postmark

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Mailgun vs SparkPost

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Africa's Talking vs AWS SNS

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Telnyx vs Twilio

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AWS SNS vs Sinch

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Drift vs Splunk On-Call

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AWS SNS vs Firebase FCM

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AWS SES vs Postmark

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Beamer vs Firebase FCM

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Apple Push Notification vs Firebase FCM

Build your first notification in minutes

Send up to 10,000 notifications every month, for free.

Email & push notification

Build your first notification in minutes

Send up to 10,000 notifications every month, for free.

Email & push notification

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