Flex is a payment platform for businesses to accept HSA/FSA, unlocking the $150B per year sitting in HSA/FSA accounts.
Flex is a Y Combinator company in the Summer 2023 batch. Its directory entry describes it as: Stripe for HSA/FSA payments. The founders listed are Sam O'Keefe (Founder), Miguel Toledo (Founder) (Y Combinator directory entry, July 28, 2023).
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New accelerator entry · 2023-07-28 · the record
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Flex is a payment platform for businesses to accept HSA/FSA, unlocking the $150B per year sitting in HSA/FSA accounts.
Flex lists 1 open role on its directory entry.
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Browse 1000+ HSA/FSA-eligible brands and thousands of approved products—from vitamins to wellness tech. Spend your pre-tax dollars and save instantly on Flex.
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
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