A curated collection of the best resources that provide APIs and infrastructure for integrating real-time chat, push notifications, and asynchronous message queuing into software products.
Multi-channel messaging infrastructure built for developers and growth teams
free + from $250/mo
Send product, marketing, and transactional messages across email, SMS, push, chat, and in-app. Unify data, build complex workflows with AI, and ship faster with developer-first tools.
Sent.dm offers a single API to integrate and send messages across SMS, WhatsApp, iMessage, RCS, and more. Optimize engagement with instant notifications and marketing campaigns.
Build engaging social features with Stream's powerful APIs for chat messaging, video calls, and activity feeds. Scale to millions of users effortlessly.
Unified notification infrastructure for developers
free + from $250/mo
Build multi-channel communication experiences in your apps with Engagespot's advanced notification infrastructure, including in-app messaging, email, push, and more.
Real-time notification inbox for modern web & mobile apps
free + from $99/mo
MagicBell offers multi-channel notification delivery, user preferences, and real-time updates for web and mobile applications, streamlining the notification process.