Sendbird acquired Roundee.io core technology and engineering talent to strengthen its voice and video calling capabilities.
SourceThe AI agent that doesn’t just support, it delights.
Public company, workplace, funding, and market signals
Sendbird is a San Mateo-based private software company founded in 2013 that evolved from chat APIs into an omnichannel AI customer experience platform. Its core offering combines communication APIs with AI agents for enterprise support and sales across chat, voice, video, SMS, email, and WhatsApp.
Primary product
Omnichannel AI customer experience and communication platform (chat, voice, video, business messaging, and AI agents)
Founded
2013
Headquarters
San Mateo, California, United States
Team size
200-500
Work style
Hybrid
Industry
Software Development
Sub-industry
Communications platform as a service (CPaaS) / messaging APIs / AI customer experience
Offices
18 jobs at Sendbird
Business model
Stage
Series C
Total raised
$220.7M
Latest round
Series C · Apr 2021
Latest amount
$100M
Leadership
Co-Founder & CEO
Co-Founder & CTO
Co-Founder & Head of Quality Engineering
Chief Marketing Officer
VP of Product Management
Chief Financial Officer
Founders
Co-Founder & Head of Design
Investors
Customer-first, high-agency, and AI-native culture that emphasizes velocity, ownership, experimentation, and global citizenship. Official values highlight endless tenacity, raising the bar, and solving problems without waiting for permission.
Work style
Hybrid
Compensation
No public salary bands or compensation ranges were found in the reviewed official pages.
Pricing
Free developer tier, MAU-based subscription pricing for self-serve plans, and custom enterprise pricing for large-scale deployments.
Differentiators
Technology
Customers
Competitors
Estimated revenue
Approximately $30M-$40M annual revenue (public estimates)
Estimated monthly visits
863.9K
Traffic estimate as of Jun 2026
Sendbird acquired Roundee.io core technology and engineering talent to strengthen its voice and video calling capabilities.
SourcePR Newswire · May 2026
Launches Agent Steward on the Delight.ai platform, along with Trust OS 2.0 and Voice 2.0, to push more autonomous, proactive AI customer experiences and self-correcting governance.
PR Newswire · Nov 2025
Sendbird earned AWS Generative AI Competency status, highlighting production-ready generative AI work, Trust OS governance, and the Delight.ai branded AI concierge.
PR Newswire · Nov 2025
Introduced Delight.ai as a branded AI concierge with long-term memory across chat, voice, SMS, email, and social channels for mid-market and enterprise brands.
PR Newswire · Aug 2025
Announced Sendbird Voice AI with real-time analytics, multi-language support, and smoother human handoff across channels.
PR Newswire · Aug 2025
Announced a three-year strategic collaboration with AWS to deepen integrations, accelerate go-to-market, and expand AI agent distribution via AWS Marketplace.