Sivo Turned a Six-Month Debt Facility Into an API Call

Ask any fintech founder about the hardest part of building a lending product and they rarely mention the app. The interface is the easy bit. The hard bit is money - specifically, where the money to lend actually comes from. Before a neobank can hand a customer a credit line or a gig platform can advance a driver their earnings, someone has to sign a debt facility. That process is slow, relationship-driven, and can stretch from six months to two years. Sivo, a company from Y Combinator's Winter 2021 batch, was built to make that wall disappear.

The pitch is deliberately simple: debt as a service. Where Stripe turned accepting a payment into a few lines of code, Sivo wants accessing a debt facility to be just as boring - plug into an API, qualify your borrowers, and lend at scale without ever raising your own capital. Founder and CEO Kate Hiscox has described the goal plainly: make it as easy to access a debt facility as plugging into an API.

01What Sivo actually does

Sivo sits in the middle. On one side are institutions with capital to deploy. On the other are companies that want to lend but lack the balance sheet, the risk models, or the patience to build a capital-markets team. Sivo handles the connective tissue: qualifying borrowers, distributing debt, and reporting performance back to the capital source in real time. Its lines are structured as interest-only revolving facilities, and the leverage expands programmatically - hit your KPIs and your available capital grows, without a fresh round of negotiation.

That last detail matters. A traditional facility is a favor you renegotiate. Sivo's version is closer to a thermostat: performance in, capital out. It funds both B2C and B2B lending programs - credit and charge cards, buy-now-pay-later, earned wage access, merchant cash advances - the full spread of products that need money behind them.

02The problem, in months

The clearest way to understand Sivo is to look at time. The company's core claim is about compression - taking a process measured in quarters and shrinking it toward something measured in days, and for some newer products, minutes. The chart below is approximate, built from how Sivo and its early press describe the gap, but the shape is the point.

When Sivo opened its debt-as-a-service product after graduating YC, the response suggested the problem was real and widely felt. In roughly three months, the company reported around $4 billion in demand and $1.5 billion in signed term sheets, with more than 600 originators moving through onboarding. Individual lines were sized anywhere from $250,000 to $500 million. Demand, to be clear, is not revenue - but demand of that size is a signal about the size of the bottleneck.

03Who's on the other end

Sivo's customers are the builders, not the borrowers - at least at the start. Fintechs, neobanks, and gig-economy and creator platforms make up the core: anyone who has users earning or spending money and wants to extend credit or payouts without becoming a lender in the legal-and-capital sense. Over time Sivo has pushed closer to the end user too, with products that let a driver, merchant, or creator pull forward money they've already earned.

04Five products, one idea

The debt-as-a-service API was the wedge. What Sivo built afterward is the same insight applied again and again: money people or businesses have already earned shouldn't sit trapped, waiting.

05The business model

Sivo is B2B infrastructure, and it makes money the way infrastructure does: by taking a position in the flow it enables. It originates and services programmable debt lines, sitting on the spread and fees between the institutions supplying capital and the companies putting that capital to work. Because it owns the risk qualification and the distribution, it can offer speed to the borrower-facing company and transparency to the capital provider at the same time - the two things the old process traded away.

06How it's different

The incumbent alternative is a bank warehouse line: powerful, but gatekept by relationships and time. Among startups, revenue-financing and capital-as-a-service players like Pipe, Capchase and Wayflyer solve adjacent slices - fronting money against future revenue - while embedded-finance infrastructure providers handle other pieces of the stack. Sivo's particular bet is on debt as the primitive: not a single product, but the rail underneath many. Its partnership with loan-servicing platform Canopy is a tidy illustration - Canopy handles servicing, Sivo handles the capital, and together they cover a lending program end to end.

07The operator behind it

Sivo's credibility leans heavily on its founder. Kate Hiscox is a serial entrepreneur who took a previous company public in 2018, and she assembled a team with resumes from Goldman Sachs, Revolut, Citigroup, McKinsey and NASA - the kind of capital-markets and risk depth that debt-as-a-service actually requires. Co-founder Dani Conejo Rico brought a product focus and a stated motivation to end predatory lending. The seed round - $5 million at a $100 million post-money valuation, backed by Maple VC and Y Combinator - was, by the investor's account, a conviction bet placed early.

08A short history

09Where it fits

Fintech is crowded with front-ends - clean apps sitting on top of the same tired rails. The harder, slower companies rebuild the rails themselves. Sivo picked debt, the least glamorous rail and arguably the most necessary one, and made a category out of the plumbing. Whether it becomes the Stripe of anything is unknowable from here. But the wall it set out to remove is real, the early demand was not imaginary, and the founder has done a version of this before. In ten years, the interesting question won't be whether debt-as-a-service exists - it will be who owns it.