Alternatives and competitors

Sites like PubNub

The 20 closest Realtime messaging API alternatives to PubNub, ranked by what they actually offer, and the 15 technologies behind it.

Looking for an alternative to PubNub? The closest matches are Pusher, Ably and Snapchat. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.

Neighbours
k = 20
Sites searched
4,032
Vector
384-d
Query
10 ms

01 · Entity

About PubNub

PubNub pubnub.com

Build, manage, & optimize real-time apps at scale | PubNub

Power your real-time app with PubNub - the world's largest pub/sub network. Scale to 3 trillion API calls/month, with <30ms global delivery. Start building now!

Wikidata: Python library

Top 10K · #5,512 English 15 technologies Crawled Nov 6, 2026
Visit PubNub

Summary by Claude

PubNub provides a hosted real-time messaging network and APIs (publish/subscribe) that developers use to add live features such as chat, presence, notifications and device sync to apps, plus message storage, serverless logic, analytics and integrations.

Who it’s for
Software developers and product teams
Business model
Usage-based subscriptions

02 · Embedding space

Competitor map

Each alternative by how close its vector is to PubNub’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

similarity × popularity

New RelicPianoInfobipbugsnagPostmanPushyVerveSnapchatAblyPusher

03 · Nearest neighbours

Alternatives to PubNub

Thumbs up if it’s a real alternative to PubNub, thumbs down if it isn’t.

Only in English
  1. 01
    Pusher pusher.com Top 10K English

    Pusher | Leader In Realtime Technologies

    Simple, scalable and reliable. Hosted realtime APIs loved by developers and trusted by giants. Build live dashboards, notifications, geotracking, chat and more.

  2. 02
    Ably ably.net Top 10K English

    Ably | Realtime platform for chat, AI and live apps at scale

    Ably is the realtime platform built for scale and reliability. Power live chat, messaging, collaborative apps, and AI experiences that never drop.

  3. 03
    Snapchat snapchat.com Top 1K English

    Snapchat - Say It In A Snap

    Chat, send Snaps, explore Stories, and try Lenses on desktop, or download the app on mobile! See how to connect & create with friends on Snapchat, wherever you are.

  4. 04
    Verve pubnative.net Top 10K English

    Mobile App Monetization | Verve

    Grow your in-app revenue with premium demand and high-impact ad experiences from the highest brand and performance bidders.

  5. 05
    Pushy pushy.io Top 1K English

    Pushy - Lightning-Fast & Highly-Reliable Push Notifications

    Pushy is a reliable push notification gateway for time-sensitive, mission-critical apps.

  6. 06
    Postman postman.com Top 10K

    API development platform

  7. 07
    bugsnag bugsnag.com Top 1K

    Python library

  8. 08
    Infobip infobip.com Top 10K English

    Infobip - Build meaningful customer relationships across any communication channel

    Engage your customers and prospects with simple drag and drop email, SMS, chatbot or build custom solutions with the best in class APIs

  9. 09
    Piano piano.io Top 10K English

    Piano | Data-Driven Customer Engagement Solutions

    Welcome to Piano, the leading platform for data analytics, audience segmentation, and customer engagement. Discover how we help businesses grow through data-driven insights.

  10. 10
    New Relic newrelic.com Top 1K English

    AI-powered Observability

    New Relic is an AI-powered observability platform that correlates your telemetry across your entire stack, so you can isolate the root cause and reduce MTTR.

  11. 11
    Sendbird sendbird.com Top 10K English

    The AI customer experience platform for enterprise | Sendbird

    Engage your customers and improve customer loyalty with an AI customer experience platform trusted by enterprises worldwide.

  12. 12
    telegram.org Top 1K

    Telegram Messenger

    Fast. Secure. Powerful.

  13. 13
    OneSignal onesignal.com Top 10K English

    Customer Engagement Platform for Email, Push… - OneSignal

    The world's leader for mobile push notifications, web push, SMS, email and in-app messaging. Trusted by 2 million+ businesses to send 12 billion+ messages per…

  14. 14
    Agora agora.io Top 1K English

    Real-Time Engagement & Conversational AI Platform | Agora

    Build ultra-low latency voice, video, chat, and voice AI experiences for meaningful human-to-human and human-to-AI conversations, with flexible APIs and no-code & low-code tools.

  15. 15
    MakeUseOf makeuseof.com Top 10K English

    MUO - Technology, Simplified.

    MUO is your guide to modern tech. Learn how to make use of the tech and gadgets around you, and discover cool stuff on the internet.

  16. 16
    ble.ir Top 10K Persian

    پیام‌رسان بله

    مجله بله؛ اخبار، سرگرمی و پست های محبوب. پست‌ها و محتوای کانال‌ها را در اپلیکیشن بله مشاهده کنید.

  17. 17
    Buffer buffer.com Top 10K English

    Buffer: Social media management for everyone

    Use Buffer to manage your social media so that you can create and share your content everywhere, consistently. Try our forever free plan or upgrade for more.

  18. 18
    SurveyMonkey surveymonkey.com Top 1K English

    SurveyMonkey: The World’s Most Popular Survey Platform

    Easily create surveys and forms with AI and templates for employee and customer feedback, market research, event registrations and more. Get started free.

  19. 19
    SiriusXM siriusxm.com Top 10K English

    SiriusXM: Music, Sports, Talk & Podcasts, Live & On Demand

    Whether it’s new hip-hop and classic comedy or ‘90s jams and sports podcasts, everything you want to hear lives here at SiriusXM.

  20. 20
    IP Echo ipecho.net Top 10K

    IP Echo Service

Ranked by score: the cosine similarity of each site’s vector to pubnub.com’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones PubNub uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What PubNub is built with, and what its closest competitors use, from its homepage’s code and its DNS records.

Built with

JavaScript frameworks
  • Next.js header x-powered-by: Next.js
  • React implied by Next.js (header x-powered-by: Next.js)
Cookie consent
  • OneTrust page source: cdn.cookielaw.org
Payments
  • Stripe TXT stripe-verification=691e9c7d912c05377a672e33492412b1e24bbc112c4bbe349…
CDN
  • Fastly header x-served-by: cache-chi-kmdw8640041-CHI, cache-ber1080028-BER
Hosting
  • Netlify header x-nf-request-id: 01M6NQSHJJ0TSMGSGQGNG72AMK
Video
Email hosting
DNS hosting
  • NS1 NS dns3.p01.nsone.net
SaaS tools (verified in DNS)
  • Apple Business TXT apple-domain-verification=bP5kNAhWWmWSSQwQ
  • GlobalSign TXT _globalsign-domain-verification=HAV0DdFrnLUqX_rElt-qy46djfIXvl0vWWSpv…
  • Google Search Console meta google-site-verification: ArwFoyb7cydmFrAxPmImA0ZMQD2Ka1VcBFuwM4J0iUk
  • Miro TXT miro-verification=7c67e5328b2f01fb1af656edb5127fcf6dd66339
  • OpenAI TXT openai-domain-verification=dv-d5PNiNyvluxxd25eRvQfQvn6
  • Yandex Webmaster meta yandex-verification: 7655cf9b8c32273d

Stack changes

No changes yet. Each new crawl is compared with the last one, and what PubNub adds or drops shows up here.

SimilarSiteSearch

Competitors by meaning, stacks from the source. Data from public homepages and DNS.

About our crawler