Burst

Letter of Medical Necessity Online: FSA/HSA Eligible

San Francisco, United States · Founded 2024 · $3.0M raised

Headquarters
San Francisco
Founded
2024
Total Funding
$3.0M
Last Round
$3.0M SeedFeb 2026
Rounds
1

About

Burst (formerly Float) is a healthcare payments platform that helps retailers and wellness brands unlock billions in untapped FSA and HSA spending. The platform simplifies benefits administration by enabling employees to seamlessly use their healthcare spending accounts for everyday retail purchases and subscriptions.

Summary

Burst is a Fintech company based in San Francisco, United States, founded in 2024. It has raised $3.0M in total across 1 round, most recently a $3.0M Seed round in Feb 2026. Investors include Pear VC and Rock Health.

Tech & App Stack

5 technologies & apps tracked

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Funding History

SeedFeb 2026
$3.0M

Investors

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