Developer tools

Pinnacle

Website
Founded 2024Origin source ↗Checked 2026-09-15

Overview

Pinnacle is an API for RCS, the new standard for SMS for app-like text messages.

Company description As recorded 2026-11-08

Founders & team

Previously InsightForge

Company history As recorded 2026-11-08

Sean Roades

Founder/CTO

Sean is co-founder & CEO of Pinnacle (S24). After graduating from Harvard College where he studied computer science and econometrics, Sean worked at YouTube where he built machine learning models that handled billions of dollars of ad spend.

Founder profile As recorded 2026-09-15

Ivan Zhang

Founder

Ivan is the cofounder and CTO of Pinnacle. He studied Computer Science and Statistics at Harvard College and previously worked as a software engineer at Amazon where he built internal tools. Most recently, he was a software engineer at General Catalyst’s Customer Value Fund where he built an open-source data library with over 25,000 downloads.

Founder profile As recorded 2026-09-15
2team members reported
Source-reported As recorded 2026-09-15

Founded 2024 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceA pricing page was detected
Maturity: Not assessed · 4 of 6 areas documented

Source-based assessment · automated evidence rules

The homepage contains prelaunch or closure language; availability needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearpricing page observed