Dev tools · alternatives · 2026

24 alternatives to Courier

API, designer, and metrics for messaging & notifications

Courier is a messaging and notifications platform that provides developers with an API, design studio, and analytics tools to send messages across multiple channels. It includes SDKs for Node.js, Python, Ruby, PHP, Go… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Courier launched in 2021; newer entries below may have overtaken it.

1
Courier Inbox: InApp Notification Center▲123
A drop-in notification center for your web and mobile apps
2023 · courier.com · its alternatives →
2
Courier 1.0▲128
Read less email
2018 · its alternatives →
3
Courier▲141
Your inbox emojified and summarized
2017 · its alternatives →
4
Courier – Application Logic for Notifications▲5
Courier Automations is a toolset that includes both an API and a visual builder that allows anyone to easily configure logic for notification workflows.
2022 · courier.com · its alternatives →
5
Courier▲3
A lightweight HTTP and API client for testing webservices
2019 · apps.vecode.net · its alternatives →
6
Message.io▲296
Bots that work everywhere
2016 · its alternatives →
7
SuprSend▲406
We as developers, build and maintain many services in code, one of them being notification service. In the last 5-7 years, API-to-user communications have exploded across SMS, email, chat apps, mobile, and web push. As a consequence, notification service handling them has become quite complex. Developers spend time building integrations with multiple providers, create templates for each channel, managing scheduling and routing based on preferences, maintaining queues to deliver notifications on time while managing scale. Besides, product teams have poor visibility on notifications as…
2022 · suprsend.com · its alternatives →
8
Postal▲231
Open source mail delivery platform
2017 · github.com · its alternatives →
9
Knock▲342
Notification infrastructure for developers
2022 · knock.app · its alternatives →
10
Messenger Platform (Beta)▲518
Build your bot and reach 900 million people around the world
2016 · developers.facebook.com · its alternatives →
11
DelivApp▲82
Organize and scale your on-demand delivery business
2021 · delivapp.com · its alternatives →
12
Customer.io▲358
Send email based on what people do (or don't do) in your app
2014 · customer.io · its alternatives →
13
Envoy Deliveries▲235
Manage office deliveries simply by snapping a photo.
2017 · envoy.com · its alternatives →
14
Sendbird 3.0▲319
Fully customizable chat, voice & video APIs for your app 🐦
2017 · sendbird.com · its alternatives →
15
Stream Chat▲327
Build, code and ship in app messaging in a few hours
2019 · getstream.io · its alternatives →
16
Wander▲141
Event distribution hub
2025 · wander-app.fr · its alternatives →
17
Postmaster▲73
A platform for shipping lots of packages.
2014 · its alternatives →
18
Postal.io for HubSpot▲81
Send handwritten notes, gifts, or direct mail in minutes
2020 · ecosystem.hubspot.com · its alternatives →
19CE
Candymail – Email Automation for Node.js▲86
2020 · saasbase.dev · its alternatives →
20
Postscript▲124
Like Mailchimp for SMS
2019 · postscript.io · its alternatives →
21
scrape-it▲186
A Node.js scraper for humans.
2016 · github.com · its alternatives →
22
Node.js Messenger▲140
A small alternative to Slack
2017 · totaljs.com · its alternatives →
23
EasyPost▲90
Shipping for developers
2014 · easypost.com · its alternatives →
24
MailClark▲198
The Slack bot for external communications
2016 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →