A DC fintech turning FSA and HSA cards into a checkout button - and letting an AI sort out what's eligible.
Every December, a strange thing happens to American money. Billions of dollars sitting in Flexible Spending Accounts - money people earned, set aside pre-tax, and fully intended to spend on health - quietly expire. Roughly half of FSA owners forfeit unused funds each year. The money was never spent because spending it is annoying: you have to know what's eligible, keep the receipt, file the claim, and wait.
Binkey, a fintech based in Washington, DC, was built around this specific, boring, enormous problem. The company's premise is that the difficulty of spending pre-tax health dollars is not a failure of willpower but a failure of plumbing. FSA, HSA, HRA, Vision benefits and Medicare Advantage funds all exist and all technically belong to the consumer - they just don't move easily. Binkey's bet is that whoever makes that money liquid at the moment of checkout captures a large and durable category.
The name is an acronym - Benefits and INcentives KEY - which tells you the founders were comfortable with a pun and serious about the mechanism. The product, at its core, is a payment service that lets an online merchant accept a health benefit card the way they'd accept a Visa. Behind that simple button sits the hard part: an engine that classifies each product against IRS eligibility rules in real time, decides which items in a cart qualify, splits the payment accordingly, and handles the reimbursement paperwork the shopper would otherwise skip.
The company was founded in 2022 by Obiaku Ohiaeri, who has described building Binkey from first-hand experience navigating the cost of care. The team it assembled - caregivers, a cancer survivor, parents - shares that vantage point, which is a useful trait when your product is essentially a machine for removing forms nobody wants to fill out.
In December 2023, Binkey raised a $3.3 million seed round led by Wellington Access Ventures, the early-stage arm of Wellington Management, with Springtide Ventures, Plug and Play Ventures and Third Culture Capital participating. It was also selected for Mastercard's Start Path program, which mentors and scales underrepresented fintech founders. Neither of those is the flashy part of the story. The flashy part, if there is one, is that Binkey spent the money on eligibility engines and compliance certifications rather than promises to disrupt hospitals.
The hardest problems in fintech aren't the flashy ones. They're the boring pipes nobody wants to fix - and the money trapped inside them.
On why forfeited FSA dollars are a plumbing problemAn API-enabled service that lets online merchants take FSA, HSA, SNAP, EBT, Vision and Medicare Advantage funds at checkout - with SKU-level eligibility and split-tender for mixed carts.
Scans past purchases to find eligible expenses and claws back unused health benefit dollars through automated claim filing and reimbursement.
Handles out-of-network vision reimbursement - filing the claim and routing the deposit so a customer never has to chase the form themselves.
Plug-and-play e-commerce extensions (BigCommerce and others) and developer APIs to add eligibility detection and benefit payments to any checkout.
An AI engine scans products and maps each SKU to IRS eligibility rules in real time.
Eligible items are visually flagged so shoppers see what their FSA or HSA will cover.
At checkout, benefit funds pay for eligible items; a card covers the rest via split-tender.
Claims are filed automatically and reimbursements are routed to the right account.
Source: figures published by Binkey. Approximate.
Empowering millions to save billions on better health.
Binkey's stated missionProduct demos and founder interviews live on Binkey's own channels and press coverage. Start here.
Binkey is a Washington, DC fintech that lets online merchants accept pre-tax health benefit dollars - FSA, HSA, and related accounts - as payment at checkout. Its AI-powered engine classifies products at the SKU level to determine IRS eligibility in real time, automates claim filing and reimbursement, and routes funds through developer-friendly APIs. Products span Binkey Pay (checkout acceptance), FSA + HSA Rewind (recovering unused benefit dollars from past purchases), and Binkey Vision (out-of-network vision reimbursement). The company raised $3.3M in seed funding in 2023.
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