Pinnacle
YC S24San Francisco, US · Founded 2024 · 2 employees · 2 known investors
Pinnacle provides an API for sending RCS, SMS, MMS, and iMessage messages with features like rich cards, carousels, and quick replies. The platform serves businesses of all sizes that need to send marketing campaigns, transactional alerts, and customer conversations at scale.
Also known as InsightForge
Developer ToolsE-commerceEnterprise SoftwareMarketing TechSaaSB2BSalesSMSUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S24)
Pinnacle was founded in 2024 by Sean Roades, Ivan Zhang, and Justin Zheng.
SR
Sean Roadesin𝕏FounderHe holds a degree in computer science and econometrics from Harvard College and previously worked at YouTube developing machine learning models for advertising systems.
IZ
Ivan Zhangin𝕏FounderIvan Zhang studied Computer Science and Statistics at Harvard College and worked as a software engineer at Amazon building internal tools, followed by a role at General Catalyst's Customer Value Fund where he developed an open-source data library.
JZ

Justin ZhengCo-founder
Investors · 2
Competitors · 2
by search overlapNeutral Tandem61 shared keywordsSinch provides cloud communications tools that let businesses connect with their customers across messaging and other channels. It serves companies looking to build customer engagement through communication technology.
Twilio53 shared keywordsTwilio provides a cloud-based communications platform that enables businesses to integrate voice, messaging, and video into applications using APIs. The platform combines communication channels, contextual data, and AI orchestration for enterprises and developers building customer experiences.
Companies competing with Pinnacle for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Pinnacle do?
- Pinnacle provides an API for sending RCS, SMS, MMS, and iMessage messages with features like rich cards, carousels, and quick replies. The platform serves businesses of all sizes that need to send marketing campaigns, transactional alerts, and customer conversations at scale.
- Who founded Pinnacle?
- Pinnacle was founded by Sean Roades, Ivan Zhang, Justin Zheng in 2024.
- Who are Pinnacle's investors?
- Pinnacle's investors include Y Combinator, OrbiMed.
- Where is Pinnacle headquartered?
- Pinnacle is headquartered in San Francisco, US.



