World-Class APIs for In-App Chat
Looking for a Pusher Alternative? PubNub has the APIs you need to create scalable, reliable in-app chat.
Build (and relax) with PubNub
Develop powerful event-driven applications for real-time communication using easy-to-implement APIs
Operate securely and reliably with built-in scalability
Build apps that scale, no matter how your users, use case, or usage changes.
3 Trillion
Transaction processed per month
< 30ms
Latency worldwide
800 Million
Unique monthly devices
99.999%
Uptime Service Level Agreements
Give users the features they need, regardless of your language or tech stack
PubNub easily integrates with the tools and services you already use.
Enterprise grade security and compliance
Operate securely through TLS and AES256 encryption, and access flexible authorization schema through OAuth and LDAP models. We require no inbound open ports, which helps prevent attacks on your infrastructure. Plus, we support compliance for regulatory environments that include ISO 27001, HIPAA, GDPR, SOC2 Type 2, and CCPA.