Couriervs
Novu


Novu: Novu is an open-source alternative offering similar multi-channel notification infrastructure with a self-hostable option.

Notification infrastructure API for sending messages across channels
As of 29 August 2026, Courier is free to use. Notification API letting developers send email, push, SMS, and chat messages through one integration with journeys and templates. Softwr lists it under Communication. Courier is available on Web, API.
Overview
Courier is a notification infrastructure platform that lets developers send messages across email, push, SMS, and chat channels through a single API, using journeys, broadcasts, and reusable templates. It offers CLI and SDK tooling, AI-assisted translations, and an AI agent node for building notification workflows. Courier prices on a pay-as-you-go basis per notification sent, with a free developer tier and custom enterprise plans.
The honest half
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Courier.
Cross-shopped
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.


Novu: Novu is an open-source alternative offering similar multi-channel notification infrastructure with a self-hostable option.


Resend: Resend focuses specifically on email delivery for developers rather than multi-channel notifications.
Pricing
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Developer
Free
Business
On request
Enterprise
On request
Capabilities
Multi-channel sending
Send notifications via email, push, SMS, and chat from one API
Journeys and broadcasts
Build automated notification sequences and one-off broadcasts
Digest and batching
Combine multiple notifications into digests to reduce noise
AI translations
Automatically translate notification content for internationalization
MCP server and CLI
Developer tooling for integrating and managing notifications
Role-based access control
Manage team permissions on Enterprise plans
Answered, with sources
Each answer names the page it came from, so you can check it rather than take our word for it.
Courier has three plans: Developer is free for 10,000 sends per month, Business is pay-as-you-go at $0.005 per send, and Enterprise is custom-priced with volume discounts.
SourceYes, the Developer plan is free and includes 10,000 notification sends per month along with journeys, broadcasts, the MCP server, CLI, SDKs, and email support.
SourceCourier bills based on the number of notifications sent, not on team size or number of channels used, with Business plan sends charged at $0.005 each.
SourceKeep looking
Open-source notification infrastructure for multi-channel messaging
Conversational messaging and CPaaS with a flat platform fee stacked on top of Meta per-message rates
The default messaging app in South Korea, bundled with payments, taxi hailing and other Kakao services
Chinese super-app combining messaging, payments, mini programs and identity, effectively required infrastructure in mainland China
Group chat for global teams, built to replace email with real-time communication
Pure instant messaging — simple, fast, secure, and synced across all your devices
White-label community apps published under your own brand on iOS, Android and web
Korean business messaging built on the KakaoTalk interface for domestic enterprise teams
Meta's standalone messaging app for Facebook, with end to end encryption on by default since 2023
Softwr does not host reviews and shows no star rating for Courier, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
What people switch to, and what they give up
Every tier, and where the cost actually lands
Put it head to head with anything we hold
Its rating, and an embed for your own site
Chinese super-app combining messaging, payments, mini programs and identity, effectively required infrastructure in mainland China
Free to download, transaction fees on paymentsMessaging app with its strongest user base in Eastern Europe and the Philippines, owned by Japans Rakuten
Free to download, paid business messaging and out calls to landlines and mobilesMeta's standalone messaging app for Facebook, with end to end encryption on by default since 2023
Free, funded by Meta's advertising businessMessaging app that dominates Japan, Taiwan and Thailand, now run by LY Corporation under joint SoftBank and Naver ownership
Free to download, paid stickers and business messaging tiersThe default messaging app in South Korea, bundled with payments, taxi hailing and other Kakao services
Free to download, paid emoticons, gifting and business messagingConversational messaging and CPaaS with a flat platform fee stacked on top of Meta per-message rates
Per message sentKorean business messaging built on the KakaoTalk interface for domestic enterprise teams
Per user per monthWhite-label community apps published under your own brand on iOS, Android and web
Per month, flat fee with no transaction charge