Vercel Changelog · Jun 2026
Vercel announced a vendor-official Sendblue adapter for Chat SDK, adding iMessage/SMS/RCS support with automatic fallback, tapbacks, typing indicators, and delivery callbacks.
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
Sendblue is a New York-based iMessage-first messaging API and CRM workflow platform for sales, recruiting, and AI-agent outreach. It lets businesses send and receive blue-bubble iMessages programmatically, with SMS/RCS fallback, CRM integrations, and flat per-line pricing.
Primary product
iMessage API and CRM messaging platform
Founded
2023
Headquarters
New York, New York, United States
Team size
40-50
Industry
Software Development
Sub-industry
Messaging API / sales automation software
Offices
0 jobs at Sendblue
Check back later for new openings
Business model
Stage
pre-seed
Total raised
$500K
Latest round
Pre-Seed · Sep 2023
Latest amount
$500K
Sep 2023 · Y Combinator
Leadership
Co-Founder & CEO
Co-Founder
Chief Revenue Officer (CRO)
Director of Engineering
Head of Research and Development
Founding Product Manager
Customer Intelligence Lead
VP of Enterprise Solutions
Customer Success Lead
Creative Director
Strategic Growth & Partnerships Lead
Investors
Lean, high-growth NYC team focused on customer obsession, fast setup, and high-touch support; public posts emphasize authenticity, rapid iteration, and a hands-on operating style.
Compensation
Public YC listings showed roughly $210k-$260k for Account Executive, $210k-$225k for Director of Marketing, $160k-$210k for Senior Full-Stack Engineer, and $70k-$120k for Customer Success Manager.
Pricing
Flat-rate subscription per dedicated phone line, with a free sandbox and custom enterprise volume pricing
Differentiators
Technology
Customers
Competitors
Estimated revenue
≈$3.8M annual revenue estimate (third-party estimate)
Estimated monthly visits
208K
Vercel Changelog · Jun 2026
Vercel announced a vendor-official Sendblue adapter for Chat SDK, adding iMessage/SMS/RCS support with automatic fallback, tapbacks, typing indicators, and delivery callbacks.
Sendblue (LinkedIn) · Jun 2026
Sendblue promoted a free iMessage phone number for AI agents and argued it removes A2P registration friction for developer workflows.
Sendblue blog · Apr 2026
Sendblue published a guide describing an LLM + Sendblue API architecture for AI sales agents that send and receive iMessages, with webhook handling and compliance considerations.
Sendblue blog · Mar 2026
Sendblue launched an MCP server for AI editors and agents, exposing tools such as sending messages, checking iMessage availability, and managing webhooks.
Rob Haber (LinkedIn) · Jan 2026
Rob Haber said Sendblue reached eight figures of ARR while remaining capital efficient, spending very little before product-market fit.