PubNub

Global infrastructure for real-time, interactive applications

PubNub is a managed real-time platform providing programmable pub/sub messaging, presence, message persistence, user/channel metadata, file sharing, serverless functions, and access control over a global network in production since 2012. Clients publish to named channels via SDKs or REST APIs; the platform handles routing, ordered delivery, reconnection catch-up, and fan-out, backed by a 99.999% uptime SLA.

Category: APIs & backend
Pricing: freemium · from $0 (Free plan, 200 MAU); Starter $98/month for 1,000 MAU; Pro custom/volume pricing
Free tier: yes
API: yes
MCP server: yes
SDK: yes
Open source: no

#pub/sub #real-time #messaging #presence #serverless #push-notifications #chat #iot

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Listed 2026-10-21 · last verified 2026-10-21 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.95

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API

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