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Knock

Notification workflows across email, SMS, push and in-app

Knock is a notifications platform that lets developers define cross-channel notification workflows and preferences via API.

Visit Knock ↗

Pricing: Free plan

Platforms: Web, API

Categories: APIs

Knock is an alternative to

Courier

Knock compared with similar tools

ProductPriceOpen sourceSelf-hostPlatforms
KnockFree plan––Web, API
OneSignalFree plan––Web, API, iOS, Android
NovuFree planYesYesWeb, Self-hosted, API
PushoverPaid––iOS, Android, Web, API
PusherFree plan––API, Web
MailerSendFree plan––API, Web
ResendFree plan––API, Web

Similar to Knock

OneSignal

Push notifications, in-app messages, email and SMS

OneSignal sends mobile and web push notifications, in-app messages, email and SMS with segmentation and journeys.

Free plan · Web, API, iOS, Android · Website ↗

Novu

Open-source notification infrastructure and inbox

Novu provides one API for email, SMS, push, chat and an embeddable in-app notification inbox with workflows.

Free plan · Web, Self-hosted, API · Website ↗

Pushover

Simple push notifications for scripts, servers and apps

Pushover delivers real-time notifications to iOS, Android and desktop devices from your own scripts, servers and many supported services via a simple API.

Paid · iOS, Android, Web, API · Website ↗

Pusher

Hosted WebSockets and push notifications

Pusher Channels adds realtime features via hosted WebSockets, and Pusher Beams sends push notifications to apps.

Free plan · API, Web · Website ↗

MailerSend

Transactional email and SMS API

MailerSend, from the MailerLite team, offers an email and SMS API, SMTP relay, templates and inbound routing.

Free plan · API, Web · Website ↗

Resend

Email API for developers, with React Email

Resend is a transactional and marketing email API with SDKs for many languages and templates written in React.

Free plan · API, Web · Website ↗

Mailtrap

Email testing sandbox plus sending API

Mailtrap catches test emails in a safe sandbox inbox and also offers an email sending API and SMTP for production.

Free plan · Web, API · Website ↗

Questions

Is Knock free?

Knock is free to start, with paid plans.

What platforms does Knock run on?

Knock is available for Web, API.

What are some alternatives to Knock?

Similar indie products include OneSignal, Novu, Pushover, Pusher and 3 more.

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