Courier
The fastest way for developers to build notifications for their app.
Founders
Not read from YC yet; the weekly run fills these in.
Same space
Competitors
Closest in what they build, same category.
EnveloopW20Design and send messages from your app with a simple API.Shared: developer tools, messagingInactive
OneSignalS11Engage customers through personalized omni-channel messagingShared: developer tools, messagingActive
AxoloW21Improving Developer Experience with Streamlined Code ReviewsShared: developer toolsActive
MagicBellW21The notification inbox for web/mobile applications.Shared: developer toolsActive
Adjacent
Overlapping tags, a different niche.
SendoW22The best SMS/RCS API for startupsShared: developer tools, messagingInactive
OutboundW15Create automated messages -- email, iOS/Android push, SMS and web…Shared: messagingAcquired
RileyW17MailChimp for SMSShared: messagingInactive
- GroupAheadW15Improve communications with your group's own mobile app.Shared: messagingInactive
Zip PhoneS14Whatsapp for voiceShared: messagingAcquired
Also from S19 in Developer tools
Batchmates in Summer 2019.
AspectS19Build UI fast.Active
BunS19Bun is an incredibly fast all-in-one JavaScript toolkitAcquired
FeaturePeekS19Supercharged deployment previews for all.Acquired
FlowS19Improve your browsing experience by staying organized and intentfulInactive
FreshpaintS19Customer data collection, safeguarding, & activation for healthcareActive
LunaSecS19An Open Source dependency security tool that is smarter than the restInactive
About Courier
Courier is the fastest way for developers to build notifications for their app. Our APIs take the tedium out of integrating various notification channels, while our visual designer lets anyone design a message template and deliver their notifications to the best channel for each user with a single API call. Email, Push, In-App, Slack, SMS, you name it. Think "Stripe, for notifications."
San Francisco, CA, USA
Courier: questions
Which YC batch was Courier in?
Courier was in Y Combinator's Summer 2019 batch (S19).
Is Courier still active?
Y Combinator lists Courier as active.
Where is Courier based?
Courier lists San Francisco, CA, USA as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.