Stop bottlenecks, friction, and architectural risk.
Building real-time interactive apps from scratch is a risk – to scale, latency, reliability, security, and developer velocity. Your teams waste weeks on socket management, outages during traffic spikes, and endless infrastructure work instead of key feature-building.
PubNub’s APIs, SDKs, and low-code platform eliminate all of that. You focus on building the world your users want, we handle the infrastructure that keeps millions of connections live in real time.
Stop bottlenecks, friction, and infrastructure risk
Building real-time interactive apps from scratch is a risk – to scale, latency, reliability, security, and developer velocity. Your teams waste weeks on socket management, outages during traffic spikes, and endless infrastructure work instead of key feature-building.
PubNub’s APIs, SDKs, and low-code platform eliminate all of that. You focus on building the world your users want, we handle the infrastructure that keeps millions of connections live in real time.
Build better: The PubNub benefits
Real‑Time Messaging
Connect people, agents, and devices the moment they act.
Benefit
Keep momentum—no queues, no rewrites.
Real‑Time Messaging
Connect people, agents, and devices the moment they act.
Benefit
Keep momentum—no queues, no rewrites.
Real‑Time Messaging
Connect people, agents, and devices the moment they act.
Benefit
Keep momentum—no queues, no rewrites.
BENEFITS
Building better, faster
Ultra-low latency at scale
You’ve heard of milliseconds, but have you reached microsecond latency yet? Experience sub-millisecond replication latency, and sub-100 ms global latency with 99.99% SLAs and 15+ edge PoPs.
Benefit
Outages and infrastructure management – even with your largest live events across millions of devices – become afterthoughts. You focus on your stream, your chat, your dashboards, your event; we’ll handle the rest.
Flexible API integrations
Benefit
Your teams can build whatever, whenever, in nearly every language or program, faster than ever before.
Accelerated developer and product velocity
Reduce overhead, grow expeditiously, craft and ship features using PubNub’s real-time toolkits. Unchain your engineering time from infrastructure management, and subvert audience expectations.
Benefit
Customers have saved up to 75% in development time and decreased time to resolution from 5 minutes to just 30-40 seconds by switching from in-house to PubNub.
Mission-critical security and compliance
Keep your data safe and in your hands. Messages are encrypted, authenticated, and compliant with some of the most stringent regulations around the world. SOC2-certified, HIPAA-compliant, ISO 27001, and more.
Benefit
Reliably build, play, chat, react, order, track, ship, and more with peace of mind. We’ve got you.
Unified global networks
Eliminate broker clusters, socket ops, and complex custom scaling logic. One platform, one global network, for all of your messaging, application, insight, and UX needs.
Benefit
Craft real-time applications for serverless messaging using real-time APIs that abstract away time-consuming maintenance.
“We've delivered billions of messages through PubNub—that is something that we've been very proud of. Being able to have that reliability allows us to focus on building a great user experience without having to scale every single part of our infrastructure.”
Kyle Hellert
Chief Product Officer, Live Nation
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DEMO
Visualize your future with PubNub APIs and SDKs
Envision the live interactivity of your dreams. Experiment with our chat SDK demo for mobile. Explore group channel creation, user presence, sending/receiving messages, reaction, typing indicators, and more.
CASE STUDY
How does PubNub support eCommerce fulfillment and post‑purchase updates?
99.999% uptime, sub‑second delivery, worldwide edge network
ACV Auctions
Real‑time vehicle updates and instant buyer notifications accelerate the sales cycle.
Itemku
C2C chat with online/offline status builds trust and streamlines transactions.
Talk Shop Live
Real‑time shopper alerts, live influencer chat, and push notifications boost conversions.
PubNub |  Ably | Why this matters | |
| PubNub vs Ably | |||
| Platform performance | |||
API & SDK Coverage Broader SDK coverage accelerates integration and expands developer flexibility. | PUBNUB 70+ APIs and SDKsAcross languages and protocols | COMPETITOR Specific SDKsLargely Java and Kotlin-based | |
Latency Lower latency provides a true real-time experience for users, which is crucial for increased engagement and adoption. | PUBNUB WAN < 30 ms50% of PubNub’s messages have below 20ms delivery speed. Our intranet latency is below 1ms, while our WAN latency is sub 30ms. | COMPETITOR Not Listed | |
| Scalability | |||
Uptime Guarantee An uptime guarantee offers peace of mind for you and confidence in the service we provide. | PUBNUB 99.999%For all customers | COMPETITOR 99.95% | |
Latency Lower latency provides a true real-time experience for users, which is crucial for increased engagement and adoption. | PUBNUB WAN < 30 ms50% of PubNub’s messages have below 20ms delivery speed. Our intranet latency is below 1ms, while our WAN latency is sub 30ms. | COMPETITOR Not Listed | |
Start free
Launch your first live feature in minutes
Copy‑paste snippets for web, mobile, and server; API‑first and headless‑friendly
No server maintenance or scaling guesswork; enterprise‑grade security and compliance
Frequently Asked Questions
What is PubNub?
PubNub is more than a real-time social engagemetn and API platform — it’s your launchpad for building the next generation of interactive experiences.
Whether it’s live chat, multiplayer games, IoT dashboards, or global collaboration tools, PubNub gives your team the power to create in minutes, not months.
With over 70 SDKs and flexible APIs, you can innovate without friction and bring your boldest ideas to life at scale.
How do PubNub APIs work?
Think of PubNub’s APIs as the invisible engine driving instant connection. They deliver data in real time — so your apps stay alive, responsive, and deeply interactive. From chat and live analytics to location tracking and event updates, our APIs handle the heavy lifting of global scale and reliability while you focus on crafting extraordinary user experiences.
What programming languages and SDKs does PubNub support?
Innovation should never be limited by language. With 70+ SDKs — including JavaScript, Swift, Kotlin, Python, Rust, Unity, and IoT — PubNub meets you where you build. Whether you’re crafting a mobile app, powering a game, or connecting devices across the globe, PubNub’s SDK ecosystem lets you move fast and stay flexible.
How does PubNub ensure low latency and scalability?
Speed isn’t a feature — it’s a foundation. PubNub’s real-time network spans 15+ global Points of Presence, achieving sub-100ms latency and 99.999% uptime. That means whether your audience is across town or across the world, their experience stays seamless, even during massive live events. PubNub scales automatically so your ideas can grow without limits.
Can I trust PubNub with my sensitive customer and platform data?
Every innovation deserves protection -- that's why security and compliance are integral to our platform, not just a box to check off on a list.
PubNub’s platform is SOC 2-certified, HIPAA-compliant, and ISO 27001-certified, ensuring your data remains encrypted, authenticated, and under your control.
Whether you’re building healthcare systems, fintech platforms, or global gaming networks, you can move fast — and stay compliant.
What makes PubNub different from other live engagement platforms?
While others offer tools, PubNub delivers a full real-time ecosystem. With broader SDK coverage, global low-latency infrastructure, built-in edge compute, and transparent pricing, PubNub removes the friction between your imagination and execution. Build boldly, knowing your foundation is secure, scalable, and ready for anything.
How does PubNub improve developer productivity?
Your team’s time should be spent creating, not maintaining. PubNub eliminates the burden of managing infrastructure — freeing developers to move faster, experiment often, and deliver value sooner.
Teams have reported up to 75% faster development cycles and massive gains in productivity after switching from in-house systems.
What types of apps can I build with PubNub's APIs and SDKs?
The better question is — what can’t you build? With PubNub’s real-time APIs, you can create:
- Live chat and messaging
- Support chatbots
- Multiplayer and collaborative games
- Real-time dashboards and analytics
- IoT device communication
- Virtual events and global engagement tools
- Last-mile delivery tracking for real-time transportation and logistics
Whatever you imagine, PubNub provides the live interactivity backbone to make it fast, stable, and unforgettable for your users.
How do I get started with PubNub?
Your next breakthrough is just a few clicks away. Explore our Chat SDK demo for mobile to see real-time interactivity in action — messages, reactions, presence, and more. Or, connect with our experts to design a solution that fits your vision. Start building the future today.
Why should I choose PubNub for real-time interactivity?
Because your ideas deserve more than “good enough.” They deserve to be future-proof and ready for millions. PubNub removes the bottlenecks that slow innovation — managing scale, ensuring reliability, maintaining compliance — so you can focus on what truly matters: building the world your users want to experience. From startups to giants like Live Nation and vFairs, creators trust PubNub to power what’s next.
