Notification Infrastructure Providers

Notification infrastructure is a developer tool or platform that delivers alerts, messages, and user notifications. Here, I'll list different notification infrastructure providers for developers that suits various purposes. I want to make sure we list providers who support API integrations so developers can integrate them with their apps.

Notification Infrastructure Platforms

• courier.com - Single API for push, in-app, email, chat, SMS, and other messaging channels with template management and other features.
• engagespot.co - Multi-channel notification infrastructure for developers with a prebuilt in-app inbox and no-code template editor.
• knock.app - Notifications infrastructure for developers. Send to multiple channels like in-app, email, SMS, Slack, and push with a single API call.
• novu.com - The open-source notification infrastructure for developers for managing all communication channels in one place: Email, SMS, Direct, In-App and Push.

Realtime API Providers

• ably.com - Realtime messaging service with presence, persistence and guaranteed delivery.
• pusher.com - Realtime messaging service.
• pubnub.com - Swift, Kotlin, and React messaging at 1 million transactions each month. Transactions may contain multiple messages.

Marketing Communication Providers

• braze.com - Cross-channel customer engagement platform
• customer.io - Personalised marketing automation platform
• onesignal.com - Unlimited free push notifications. Supports email.
• pushwoosh.com - Omnichannel customer engagement platform

Push notification APIs

• firebase.google.com - Cross-platform messaging solution that lets you reliably send messages at no cost.
• pushengage.com - Unified push notification API for web and mobile devices

Chat APIs

• comechat.com - Build real time chat, voice and video calling experience with CometChat's flexible SDKs, APIs & UI Kits.
• sendbird.com - Messaging-as-a-service API that provides chat, voice, and video messaging for mobile apps and websites.

Email APIs

• mailgun.com - Transactional Email APIs that enable you to send, receive, and track emails.
• resend.com - The most developer friendly email API
• sendgrid.com - API to send both transactional and marketing emails.

AMQP Providers

• cloudamqp.com - The largest fleet of RabbitMQ and LavinMQ clusters worldwide
• aws.amazon.com/amazon-mq - Managed message broker service for Apache ActiveMQ and RabbitMQ on AWS.