PubNub Chat is a developer-ready solution for real-time chat and audience engagement, purpose-built for live streaming apps and easily extensible to other real-time use cases. Built on the global PubNub Platform, it delivers <100ms latency, 99.999% uptime, and no concurrency limits to support chat, reactions, polls, and audience messaging at massive scale. Developers launch fast with SDKs, sample apps, and expert guidance. Built-in moderation, gamification, and analytics enhance safety, retention, and interactivity. As part of the extensible PubNub Platform, PubNub Chat enables real-time use cases like trivia, overlays, and in-stream automation. With transparent MAU-based pricing and an open, flexible architecture, it is ideal for live streaming and beyond.
PubNub Chat is a production-grade solution for scalable, real-time audience messaging, built on the PubNub Platform and optimized for live streaming experiences that demand performance, extensibility, and reliability. It enables chat, reactions, polls, presence, and moderation across millions of users with <100ms latency, 9.9999% uptime, and globally proven infrastructure.
Developers launch fast using prebuilt SDKs, sample apps, and low-code tools. Modern features like emoji reactions, threading, read receipts, and typing indicators deliver a rich, interactive experience. Operations teams manage users, channels, and moderation through the no-code BizOps Workspace, without engineering support.
PubNub Chat integrates seamlessly with Amazon IVS and other video providers to power stream-synced engagement like audience reactions, Q&A, and live polls. Because it runs on the broader PubNub Platform, teams can extend easily into additional real-time features, like trivia games, overlays, betting prompts, and in-app automation via PubNub Functions.
With transparent MAU-based pricing and freedom from rigid toolkits or closed suites, PubNub Chat helps teams launch faster, scale globally, and deliver real-time engagement that drives retention, monetization, and loyalty, across live streaming apps and other interactive experiences.
Developers launch fast using prebuilt SDKs, sample apps, and low-code tools. Modern features like emoji reactions, threading, read receipts, and typing indicators deliver a rich, interactive experience. Operations teams manage users, channels, and moderation through our no-code BizOps Workspace for monitoring and managing users, messages and channels.
PubNub Chat integrates seamlessly with Amazon IVS and other video providers to power stream-synced engagement like audience reactions, Q&A, and live polls. Because it runs on the broader PubNub Platform, teams can extend easily into additional real-time solutions like trivia games, overlays, betting prompts, and in-app automation via PubNub Functions.
With transparent MAU-based pricing and freedom from rigid toolkits or closed suites, PubNub Chat helps teams launch faster, scale globally, and deliver real-time engagement that drives retention, monetization, and loyalty across live streaming apps and other interactive experiences.
Highlights
Powers over 800 Million unique monthly devices, routes more than 1.9 Trillion per month, and supports concurrent audiences of more than 50 million
75+ SDKs, enterprise-grade security, 99.999% SLA-backed reliability, and sub 50 ms worldwide latency
Single platform to build any combination of real-time features, including chat, live audience engagement, multi-user collaboration, device control, data streaming, and geolocation /dispatch - all managed and monitored from a single dashboard
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Pricing is based on the duration and terms of your contract with the vendor. This entitles you to a specified quantity of use for the contract duration. If you choose not to renew or replace your contract before it ends, access to these entitlements will expire.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
This contract prices two separate usage measures. You commit to a set number of Monthly Active Users, which counts unique people who connect to the service at least once in a billing cycle. You also commit to a set number of Transactions, which reflect the messages and interactions your app processes. These two dimensions work together rather than as tiers you choose between. Your quantity for each is set through the contract. As your audience or activity grows, you raise the committed amounts. Concurrent connections, channels, and message volume are covered within these measures.
Top-of-mind questions for buyers
What counts as one Monthly Active User for billing?
A Monthly Active User is any unique person who connects to the service at least once during a billing cycle. This includes anyone who sends or receives messages, joins channels, or uses any feature. You count each unique user once per month, no matter how often they connect.
Which measure drives my cost — Monthly Active Users or Transactions?
Both measures apply at the same time and appear together. Monthly Active Users reflect your audience size, while Transactions reflect the messages and interactions your app processes. Apps with heavy per-user activity may draw more on Transactions. Apps with large but light audiences lean on the user measure.
What happens when my usage passes the committed Monthly Active Users or Transactions?
Your contract sets a committed quantity for each measure. When your audience or activity grows past those amounts, you raise the committed quantities through the contract. Concurrent connections, channels, and message volume stay covered within these two measures, so those do not add separate charges.
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Refunds. No refunds will be given by PubNub unless expressly specified in this Agreement.
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Deliver immersive, scalable, and secure real-time interactivity with the PubNub platform. Connect humans, devices, and AIs across web apps, mobile apps, and IoT devices. Focus on launching innovative features instead of managing complex infrastructure. Whether you're building in-app chat, multiplayer chat, live audience engagement, multi-user collaboration, operational dashboards, AI-driven interactions, or any other real-time functionality, PubNub brings it to life with a suite of purpose-built APIs, SDKs, Solution Kits, integrations, and analytics.
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