Pusher provides hosted real‑time messaging APIs that let developers publish events and subscribe to channels for live updates, presence tracking, and in‑app chat without managing infrastructure. Its Beams service adds programmatic push notifications for iOS, Android, and web browsers, supported by over 40 SDKs and an auto‑scaling, TLS‑secured platform that delivers messages with sub‑second latency.
Funding
$8M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
Founders
Product
Problem
Developers building interactive web and mobile applications must provision, operate, and scale complex real‑time messaging infrastructure to support features such as live updates, in‑app chat, and push notifications. Managing connections, handling failover, and ensuring low latency across diverse client platforms adds significant engineering overhead and delays product delivery.
Solution
Pusher offers hosted, bidirectional APIs that abstract the underlying messaging stack, allowing developers to publish events and subscribe to real‑time channels without managing servers. The platform provides two core services: Channels for pub/sub messaging and presence, and Beams for programmatic push notifications to iOS, Android, and web browsers. A comprehensive set of SDKs (over 40 languages) and detailed documentation enable rapid integration across front‑end and back‑end stacks. The service automatically scales to handle spikes in traffic, maintains secure TLS connections, and delivers messages with sub‑second latency. Developers access usage metrics, authentication controls, and webhook hooks through a web dashboard, simplifying monitoring and operational workflows.
Target Audience
The primary customers are software developers and product teams building web or mobile applications that require real‑time data sync, in‑app chat, or push notification capabilities, including SaaS platforms, gaming services, and enterprise collaboration tools.
Features
- Hosted pub/sub API (Channels) with event broadcasting, presence tracking, and client authentication
- Programmatic push notification service (Beams) supporting APNs, FCM, and web push payloads
- Auto‑scaling infrastructure that provisions connections on demand and guarantees high availability
- 40+ client SDKs (JavaScript, iOS/Swift, Android/Kotlin, Java, Python, Ruby, Go, .NET, etc.) with fallback mechanisms for unreliable networks
- Real‑time dashboard for monitoring message throughput, connection counts, and error rates
- Secure TLS encryption, GDPR‑compliant data handling, and granular API key permissions
- Webhooks and event hooks for integrating delivery receipts, analytics, and custom business logic
- Comprehensive docs, code snippets, and tutorials that accelerate developer onboarding