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ColophonWaiverKit · Rev. 2026
WaiverKit

Sign it. Store it. Never lose it. A small Swiss tool that replaces the clipboard with a searchable, timestamped PDF.

EPFL alumni · Lausanne

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WaiverKit
Industries · SUP rental shop

Waiver software for SUP rental shops

WaiverKit is digital waiver software for SUP rental shops: walk-up renters, guided tour guests, and lesson students sign on their phone or the beach kiosk before a board leaves the rack. Swim ability captured, offline mode for spotty waterfront Wi-Fi.

Walk-up family wants two boards for an hour. They scan the QR on the rack, sign on their phones, and the staff is unlocking leashes 90 seconds later.

Start freeSee pricing
Rack QRSwim abilityOffline mode
SUP rental shop · flowLive

Renter scans the QR on the board rack or the booking email

Waiver captures swim ability and rental duration

Staff releases the board, the waiver is on file with a timestamp

Walk-ups move from 'interested' to 'on the water' in minutes

The longer they wait at the rack, the more likely they wander off to a different shop. Scan, sign, board is off the rack. That's the whole journey.

Swim ability captured before the board leaves

The waiver asks whether the renter can swim. If the answer is no and the lake has chop, your staff sees it before handing over the board and can upsell a lesson or a leash upgrade.

Beach Wi-Fi isn't your problem anymore

Waterfront Wi-Fi is always borderline. Kiosk mode signs offline and uploads when it reconnects. You don't lose a rental because the router blinked.

Questions

Common questions from SUP rental shops

We have one phone at the shop and a board rack 50 feet away. Can staff see sign-ins from the rack?

Yes. The roster view is mobile. Rack staff pulls up cleared renters on their own phone and tracks returns without running back to the shop every time.

How does the waiver handle hourly versus full-day rentals?

Waivers are tied to the rental duration. For a multi-day rental, the signature stays valid across returns. For a single-use hourly, it expires at the end of the window.

Can guests pre-sign with their booking?

Yes. Embed the signing link in the booking confirmation email. Most advance-booked guests sign before they show up, walk-ins sign at the rack.

Also works for

Surf schoolKayak outfitterBoat rental shop

Run your sup rental shop on digital waivers

Free plan, no card required. Upgrade when you grow past the free tier.

Start freeSee pricing