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Sendbird sells chat and messaging tools that app developers and enterprises plug into their own products.
Sendbird is a software company that provides the building blocks for in-app messaging. If you have ever used an app to message a seller, a driver, a doctor, or a customer support agent, there is a decent chance the chat window was powered by Sendbird's code rather than something the app's own engineers built from scratch. The company sells chat and messaging APIs and SDKs — basically pre-built kits that developers drop into their apps so they don't have to build messaging from zero.
Its customers are the people who make apps: developers at startups and big enterprises who need chat, voice, and video features fast. Sendbird's tools cover one-on-one chat, group chat, notifications, moderation, and increasingly AI-powered chatbots that can answer customer questions automatically. The appeal is speed and focus — a company can add robust messaging in days instead of spending months engineering it, and Sendbird handles the messy parts like scaling to millions of users and keeping conversations reliable. The business model is usage-based software subscription: customers pay based on how much they use the service, such as monthly active users or message volume. Sendbird was founded in 2013 and is headquartered in San Mateo, California, with a large engineering presence in South Korea. It has raised substantial venture funding and counts major brands among its users, competing with in-house builds and other messaging infrastructure providers.
The strategic bet is that messaging is becoming the front door of customer experience — sales, support, and transactions all happen inside chat — so the plumbing behind it is worth paying for rather than reinventing. Sendbird's push into AI agents fits that story: it wants to be the layer where conversations, whether human or bot, actually happen.
Saved answer · last researched 15 Nov 2026