Flex

Stripe for HSA/FSA payments

Lightspeed · 2019

Miguel Toledo, Sam O'Keefe · 2 co-founders

2023Founded

Team

current

Co-founders

current

Stage

Founded

Profile coverage4 of 8 · missing Funding, Signals, Customers, Stack / tools · last run 8/10/2026

About

Flex is a payment platform for businesses to accept HSA/FSA, unlocking the $150B per year sitting in HSA/FSA accounts.

Miguel Toledo

Founder

Co-founder @ Flex (YC S23)

Sam O'Keefe

Founder

Co-Founder & CEO at Flex | Modernizing How People Pay for Health & Wellness