/Companies

Sendblue

YC S23

New York City, US · Founded 2023 · 50 employees · Hiring · 2 known investors

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Sendblue provides an iMessage API and business messaging platform that enables companies to send and receive real iMessages with automatic fallback to RCS and SMS. It serves sales teams and enterprises that need reliable customer communication through the messaging channel.

Also known as Round One Inc. · Raz · Round One · Round One, Raz, Sendblue, Raz

Enterprise SoftwareSaaSSales TechUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (S23)

Sendblue was founded in 2023 by Rob Haber and Alex Luis.

RHRob Haber
Rob HaberCo-Founder & CEOHe previously worked as an ML engineer at Scale AI, and held roles at Amazon and Regeneron, as well as founding a beef jerky company.
ALAlex Luis
Alex LuisCo-Founder and President (YC S23)Alex Luis held product management and consulting roles at PwC focused on telecommunications, where he gained experience with emerging technologies including 5G and IoT. He is a co-founder of Sendblue and is based in New York.
SQ
Sam QueenCRO
NC
Nikee CarnageySenior Sales Manager
LM
Lily MacomberSenior CSM
AT
Aaron TomkinsSenior Sales Manager

Investors · 2

Related companies · 2

Companies working in the same space as Sendblue.

Legal entities · 1

corporate structure
Round One Inc.

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Frequently asked questions

What does Sendblue do?
Sendblue provides an iMessage API and business messaging platform that enables companies to send and receive real iMessages with automatic fallback to RCS and SMS. It serves sales teams and enterprises that need reliable customer communication through the messaging channel.
Who founded Sendblue?
Sendblue was founded by Rob Haber, Alex Luis in 2023.
Who are Sendblue's investors?
Sendblue's investors include Y Combinator, Twenty Two Ventures.
Where is Sendblue headquartered?
Sendblue is headquartered in New York City, US.