
Novu
SuprSend
OneSignal
Knock App
MagicBell
Resend
Twilio
Courier is a notification API built for developers. Design once, and deliver to any channel – email, Slack, SMS, push, and more – all through a single API.

Learn JavaScript
JavaScript.com
JavaScript Operator Lookup
The Ultimate SaaS Quiz
NFT Quiz
50 Tips on JavaScript
Triplebyte
Check your knowledge by having fun.
Which is more popular?
Based on our record, Courier seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | courier.com | javascriptquiz.com |
| Pricing | — | |
| Company | Startup from the United States · 2019 | — |
| Listed in |
What each product offers, as listed by its team.


Walkthroughs and reviews on video.
The Courier.com Notifications API Demo
How Good Are You At JavaScript? - JavaScript QUIZ!
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Courier and JavaScript Quiz. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Courier follows the Design Once Deliver to Many approaches, which makes it possible to design notifications using a single API and deliver them to several channels such as push notifications, direct messages for Slack...
We have no reviews of JavaScript Quiz yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Background: I'm the solo founder of Courier (courier.com). We build APIs that help developers easily build notifications for their products for any channel - email, SMS, Slack, push, inbox, etc. These days we're ~40 people, Series B,... Source: over 3 years ago
Roll your own like me so far, or do you use 3rd-party notification tools like Courier or Knock? Source: over 3 years ago
Courier is ideal for this kind of application since it makes it simple to integrate notification systems. We will be using the Courier API to send email notifications for now, but it is quite easy to extend it to use SMS or other... - Source: dev.to / over 3 years ago
Tracking JavaScript Quiz since Jan 2022.
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