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Sendblue

Sendblue

Private
New York City, New YorkTelecommunications & Networkinghttps://www.sendblue.com/

Last Round

Accelerator

Oct 6, 2023

Total Funding Raised

$1.5M

Company Overview

Sendblue is a business communication platform that provides virtual iMessage lines to enable companies to send iMessages to prospects and customers directly from their CRM.

Sector

Telecommunications & Networking

Verticals

Cloud Communications, API Management, Enterprise Communication, Workflow Automation

Business Model

B2B

Customer Profile

Subscription SaaS

AI Layer

Infrastructure

Keywords

iMessage APISMS APIiMessage for businessbusiness messagingprogrammable SMSprogrammatic messagingcloud communicationsAPI platformwebhook integrationusage-based billingAI agent infrastructureCRM integrationautomated workflowsSOC 2 complianceHIPAA support

Historical Pricing

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Caplight Momentum Score

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Sendblue Comparables

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Sendblue comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Project Blue
92%
Blooio
89%
Sent
84%

Sendblue Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
AcceleratorOct 6, 2023
SeedSep 6, 2023
AcceleratorJun 1, 2023

Key People

Founding team and executive leadership

Rob Haber

Co-Founder CEO

Founding Team

Sendblue Investors

Notable investors and investment history

Sendblue investors
InvestorRounds
Y CombinatorAccelerator, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jan 14, 2026

    Integrated iMessage technology with InstaCódigo's automation platform.

  • Oct 6, 2023

    $500K raised in Accelerator round.

Recent news

Latest coverage and updates

  • has_issues_withJul 31, 2026

    Sendblue had issues with unauthorized access to conversation records, including message content and phone numbers, through a database security-rules vulnerability, plus a phishing campaign targeting numbers on Aug 5th '26.

Sendblue Filings

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Sendblue filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Sendblue's valuation, stock price, and market status.

Is Sendblue a public or private company?

Sendblue is a private company.

What is the current stock price of Sendblue?

Sendblue is a private company with no public stock price. No recent secondary market data is available.

How much is Sendblue worth (valuation)?

Valuation information for Sendblue is not publicly available.

Can I buy Sendblue stock?

Sendblue shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Sendblue's last funding round?

Sendblue's most recent funding round was Accelerator on October 6, 2023.

Who are the main investors in Sendblue?

Key investors in Sendblue include Y Combinator.

Will Sendblue IPO soon?

No public IPO plans have been announced for Sendblue.

How can I track Sendblue secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Sendblue's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersNew York City, New York
Employee Range59
Year Founded2023
Last FundingOct 6, 2023

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