Rent Now, Pay Later: Designing Trust Into a Fintech Product

5 MINS

When you ask someone to pay rent through a new app, you're not asking for a transaction, you're asking for trust with the single largest recurring payment in their life. Building Rent Now, Pay Later (RNPL) at Keyper taught me that in fintech, trust isn't a marketing layer you add at the end. It's the product.

Proptech and fintech are two trust problems stacked on top of each other

Property is emotional and high-stakes: it's where people live, or the asset they've invested a lifetime into. Money is anxious and unforgiving: a single confusing charge can end a relationship with a product permanently. RNPL sits exactly where those two worlds collide.

So the design question was never "how do we add a pay-later button." It was "how do we make a tenant comfortable taking on a payment plan, and an owner comfortable that their rent still arrives on time." Two users, two anxieties, one flow that has to honour both.

Clarity beats cleverness in financial flows

Every time we were tempted to make the RNPL flow feel "smart," it backfired. Smart felt like hiding something. What users actually wanted was boring, legible certainty:

Show the full cost up front , no number should ever appear later that the user didn't see at the start.

Name the dates plainly , "you pay X on the 1st" beats any clever framing.

Make the exit obvious , people commit faster when they can see how to stop. The version that converted best was the one that looked almost too simple. In financial products, the absence of surprises is the feature.

Extending from owners to tenants changed who we were building for

Keyper started owner-first: onboarding landlords, managing portfolios, giving owners control. RNPL was the moment we extended to tenants, and that's a different person with different fears. Owners want visibility and assurance. Tenants want flexibility without judgement.

You can't serve both with the same tone. Getting early product-market fit on RNPL meant rewriting flows so a tenant felt supported rather than assessed, while an owner felt protected rather than exposed. The systems underneath were shared; the emotional design was not.

What I'd tell anyone building fintech for a new market

Start with the failure case. Map what happens when a payment is late, partial, disputed, or reversed, before you design the happy path. In financial products the edge cases aren't edge cases; they're a meaningful share of real usage, and they're where trust is won or lost.

Then make the whole thing legible enough that a stressed person on a bad day can still understand exactly what they owe and when. If you get that right, the growth takes care of itself, because nothing markets a money product better than a user who was never once surprised by it.

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Noor Tabbalat was part of the April 2026 cohort at Curious PM, alongside 18 other talented participants.