SendBird

SendBird

B2B chat, voice, video, support APIs

Overview

Sendbird provides business-grade communication tools through APIs for real-time chat, voice, and video to help companies engage customers. Its products include Sendbird Chat, a chat API that enables real-time messaging with features like moderation and offline messages; Sendbird Calls for voice and video interactions; and Sendbird Desk, an embedded support tool inside apps. The platform uses a subscription-based pricing model and targets a global B2B audience across industries, integrating messaging, voice, and video into existing applications to boost engagement and support. The key differentiator is an API-first, embeddable approach that delivers unified communication capabilities within a company’s own apps, enabling seamless customer interactions at scale. The overarching goal is to help businesses improve customer engagement, support, and retention by providing reliable, scalable communication tools that can be integrated into their products and workflows.

YC Company
Significant Headcount Growth

About SendBird

Simplify's Rating
Why SendBird is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & Analytics

Enterprise Software

Company Size

201-500

Company Stage

Series C

Total Funding

$273M

Headquarters

San Mateo, California

Founded

2013

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Simplify's Take

What believers are saying

  • Sendbird powers over 300 million people monthly and 4,000 clients, including DoorDash.
  • AWS Partner Summit Seoul 2026 named Sendbird a Rising Star Partner.
  • Management said 80% to 90% of new revenue comes from AI businesses.

What critics are saying

  • Intercom, Zendesk, and Decagon compress pricing and churn customer-support budgets by 2026.
  • Sendbird’s AI pivot makes legacy chat APIs secondary, risking core-product commoditization.
  • If Agent Steward misses refunds and rebooking, enterprise trust erodes fast in 2026.

What makes SendBird unique

  • Agent Steward, launched May 7 2026, owns complex cases end-to-end across channels.
  • Trust OS 2.0 adds self-correcting AI governance, a stronger enterprise control layer.
  • AWS partnership signed August 2025 deepens Bedrock, Nova, and marketplace distribution.

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Funding

Total Funding

$273M

Above

Industry Average

Funded Over

8 Rounds

Series C funding is usually for startups that are doing well and are looking for more money to fuel major growth, such as acquiring other companies, expanding into global markets, or launching new product lines. Investors typically include larger venture capital firms and private equity.
Series C Funding Comparison
Above Average

Industry standards

$50M
$50M
Medium
$62M
SeatGeek
$100M
Oura
$100M
SendBird

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account/Flexible Spending Account

Unlimited Paid Time Off

401(k) Retirement Plan

401(k) Company Match

Parental Leave

Wellness Program

Growth & Insights and Company News

Headcount

6 month growth

7%

1 year growth

8%

2 year growth

8%
PR Newswire
May 7th, 2026
Sendbird launches Agent Steward to enable fully autonomous AI customer service

Sendbird has launched Agent Steward, an AI system designed to autonomously manage complex customer issues from start to finish. The product is powered by the company's Delight.ai platform and includes new Trust OS 2.0 and Voice 2.0 capabilities. Agent Steward handles multi-step workflows across systems and channels, coordinating backend processes via API, chat, SMS and email whilst escalating to human agents only when judgement is required. Trust OS 2.0 introduces "Zero-Touch Improvement", enabling AI to identify and fix its own mistakes in real time without manual intervention. Voice 2.0 adds proactive outbound engagement capabilities supporting over 100 languages, allowing companies to contact customers before issues escalate. Sendbird, which powers 7 billion conversations monthly for 4,000 clients including DoorDash and Match Group, developed the features in response to research showing 57% of consumers want AI systems that can self-correct.

MarTech360
Aug 28th, 2025
Sendbird Sets New Benchmark for Voice AI and Omnichannel Orchestration

Sendbird Inc., the AI communications platform trusted by the world's largest brands, announced the availability of Sendbird voice AI, the only voice automation solution for customer service designed to handle the messiness of real conversations with accuracy and speed.

SiliconANGLE Media
Aug 26th, 2025
Sendbird launches voice AI agents to bring human-grade conversation to customer calls

Artificial intelligence communications and conversation platform Sendbird Inc. today announced the launch of Sendbird Voice AI, a voice automation solution for customer service designed to take the anarchy of real conversations and handle them with care.

Simply Wall St
Aug 12th, 2025
Amazon.com (AMZN) Partners With Sendbird To Enhance AI Capabilities And Market Reach

Amazon.com (AMZN) partners with Sendbird to enhance AI capabilities and market reach.

MarTech360
Jul 18th, 2025
Sendbird Appoints Charles Studt as Chief Marketing Officer to Advance Company's AI Innovation and Global Reach

Sendbird, the AI customer experience platform trusted by the world's largest brands, announced the appointment of Charles Studt to chief marketing officer (CMO).

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