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OneSignal
Software Development
San Mateo, California 10,038 followers
The most widely used customer messaging & engagement solution, helping 1M+ businesses deliver 12B+ messages daily.
About us
OneSignal is the market-leading customer messaging and engagement solution, offering email, mobile and web push notifications, in-app messaging, and SMS. Our powerful omnichannel platform enables 1M+ businesses to deliver over 12B+ messages daily. Powered by superior architecture, OneSignal is designed to scale with your business and deliver messages more quickly and reliably than the competition. By providing an open API, extensive documentation, free accounts, and intuitive automation, personalization, and analytics tools, we help businesses of all sizes provide a seamless messaging experience to create meaningful customer connections.
- Website
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https://onesignal.com
External link for OneSignal
- Industry
- Software Development
- Company size
- 51-200 employees
- Headquarters
- San Mateo, California
- Type
- Privately Held
- Founded
- 2014
- Specialties
- mobile, rust, mobile engagement, push notifications, web notifications, SaaS, software, developer tool, marketing tool, mobile marketing, digital marketing, publishing tool, advertising , news, multichannel marketing, Email, advertising tool, customer onboarding, customer engagement, customer marketing, omnichannel marketing, marketing automation, fintech, fitness, sports, and customer retention
Products
![Click here to view OneSignal]()
OneSignal
Customer Engagement Software
OneSignal is the market-leading omni-channel customer messaging tool for email, push notifications, SMS and in-app messaging. Used by more than one million businesses to deliver over 10 billion messages daily, OneSignal is easy to implement (no coding required) and is designed to scale with your business to deliver automated messages more quickly and reliably than the competition. By providing open APIs, a visual workflow builder, extensive documentation, free accounts, and intuitive personalization and analytics tools, we help businesses of all sizes design seamless messaging experiences to create meaningful customer connections.
Locations
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Primary
Get directions
2850 S Delaware St
201
San Mateo, California 94403, US
Employees at OneSignal
Updates
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🚨 Live from Tokyo 🇯🇵 … well, once our US HQ finally woke up ☕ 🥱 RevenueCat's global #Shipaton kickoff is underway, and we were thrilled to have our CEO, George Deglin, at the Tokyo popup cafe to demo how thoughtful messaging creates better apps. Whether it’s push, in-app messages, email, SMS, or an omnichannel strategy (our favorite 😉), messaging isn’t just a feature; it’s a superpower. That’s exactly what we’re celebrating with the OneSignal Boost Award, honoring the most impactful and creative use of messaging to elevate user engagement. The prize pot has increased! 🥇 1st place - $20k + App Growth Annual Invite + Shippy Trophy + Billboard on Times Square 🥈 2nd place - $15k 🥉 3rd place - $10k 🎖️ 4th place - $5k 🎖️ 5th place - $5k We're excited to support developers around the world as they build, test, and ship over the next two months. Can’t wait to see what you create. 👉 Submissions are open now: https://www.shipaton.com #OneSignalBoost #Shipaton #BuildInPublic #UserEngagement #AppGrowth
Just announced OneSignal's sponsorship of RevenueCat's Shipaton Hackathon in Tokyo. We're giving out over $50,000 to Shipaton participants that use OneSignal for creative or impactful messaging.
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Hackathon devs, this one's for you! You’ve got a brilliant app idea. We’re here to make sure it doesn’t sit quietly in the App Store. As part of Shipaton, OneSignal and RevenueCat are hosting a fast-paced session on how to build smarter messaging into your app from Day 0. No fluff, just the exact strategies that will help you: 💬 Engage new users 🔁 Prevent early churn 🚨 Trigger messaging off RevenueCat events 📈 Stand out in the $300K Shipaton prize pool Prize or no prize, if you're building something great, this session belongs on your radar. Besides, showing up could be the smartest move you make toward winning your share of $50K 😉 🛠️ Presented by: Joshua Hollander, Head of Customer Success @ OneSignal Brennan Knotts, Success Manager @ RevenueCat 📍Thursday, August 7th 2025 - 9:00 AM (PT) Register here: https://lnkd.in/epk_-hqu #Shipaton #Hackathon #OneSignalBoost #DevTools #AppDev
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We couldn't be more proud to welcome Jason Seeba as OneSignal’s Chief Marketing Officer! A Silicon Valley leader known for building and scaling startups, he’s led marketing at seven companies – including Bloomreach, Eightfold and most recently Session AI. Along with being an early adopter of new technology, he also advises AI startups like OfferFit, Clari and Leadspace.
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#Shipaton is just around the corner 👀 Submissions officially open this Friday, but you don’t have to wait to start building! This year’s challenge: 🚀 Launch a brand-new app using RevenueCat for in-app purchases 📲 Use OneSignal to craft next-level messaging & engagement 💰 Compete for $300K+ in prizes, including your share of the $50K OneSignal Boost Award Want updates, deadlines, and perks? Register now at shipaton dot com. #OneSignalBoost #BuildInPublic #Shipaton
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HR’s calendar is booked solid, and we’re not mad about it. Thrilled to be welcoming even more incredible people to OneSignal! Another huge step forward on our path to democratizing customer engagement 💪 Welcome aboard! Alyssa Goh, Sales Development Representative Natasha S., Sr. Manager Solutions Engineering Ana Jansen, Strategic Account Executive Abimbola (Bims) F., Partner Manager Steve Xu, Senior Account Executive kin kong chan, Senior Software Engineer Kyle Sayklay, Strategic Account Executive Rahul Rhoades, Staff Software Engineer
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We're excited to launch the OneSignal Boost Award, which honors apps that elevate user engagement through thoughtful messaging—right from day one. Whether it's push notifications, in-app messaging, or a multi-channel strategy, this award celebrates early-stage teams that think beyond the build—teams that use communication to smoothly onboard users, inspire action, and create meaningful user connections. If you’re building an app that puts users at the center of your messaging, this award is for you. OneSignal Boost Award Prizes 🥇 1st Place: $20,000 🥈 2nd Place: $13,000 🥉 3rd Place: $9,000 🏅 4th Place: $5,000 🏅 5th Place: $5,000 That’s $50k+ in total prizes for apps that nail user engagement from the start. Let’s see what you ship. #OneSignalBoost #Shipaton
🚢 Shipaton 2025 signup is LIVE 🚢 Ready to turn that half-built side-project into a real-world app (and maybe see it on a Times Square billboard)? Here’s the TL;DR: 🚢 Ship, monetize, repeat. Launch a brand-new iOS or Android app using the RevenueCat SDK between Aug 1 – Sep 30 💰 $300 K+ in prizes. Grand-prize winner pockets $60 K cash – every 1st-place app gets a week-long spot on the Times Square One billboard (THE biggest billboard there) 🏆 8 award tracks – from Build & Grow to #BuildInPublic, HAMM (Help Apps Make Money), Buzziest Launch, Best Vibes, Design, Peace Prize, and the OneSignal Boost ⭐ All-star judges: Nico Wittenborn, Andrew Davies, Evan Bacon, Adam Lyttle, Jacob Eiting, Charlie Chapman, David Barnard and more on the way! 🌍 Global IRL + virtual events – meetups, workshops, and office hours to keep you shipping from Tokyo to SF 🙏 Huge thanks to our partners – OneSignal, Perplexity, Stream, Stripe, Paddle, SplitMetrics, Linearity, Expo, Tempo (YC S23), ElevenLabs, FlutterFlow, Google, CodeRabbit, Rork, Manus AI, a0.dev (YC W25), Vibecode, Bloom (YC X25), and more to be announced soon! 👀 Want in? Keep an eye on the first comment for the registration link (or just hit shipaton dot com) See you (and your app) in NYC!
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We’re thrilled to kick off summer with some amazing new hires at OneSignal—and they’re already bringing the heat 🔥 Welcome to the team! Zoe Berg, Customer Success Manager Chris Constantine, Staff Software Engineer Lucy B., Staff Software Engineer Scott L., Senior Software Engineer Mukund Lakshman, Senior Software Engineer
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Don't just know your audience... know what they're actually doing. Behavioral signals are your secret sauce 🤌 Get the details... https://lnkd.in/gertXwfj
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